https://hfunderground.com/wiki/index.php?action=history&feed=atom&title=HF_marine HF marine - Revision history 2026-11-12T08:39:02Z Revision history for this page on the wiki MediaWiki 1.16.5 https://hfunderground.com/wiki/index.php?title=HF_marine&diff=18827&oldid=prev R4002: /* SSB Voice and DSC Distress Safety Calling Frequencies */ 2026-10-03T19:13:27Z <p><span class="autocomment">SSB Voice and DSC Distress Safety Calling Frequencies</span></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 19:13, 3 October 2026</td> </tr><tr><td colspan="2" class="diff-lineno">Line 91:</td> <td colspan="2" class="diff-lineno">Line 91:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Search and rescue (SAR) [[Nationwide_Public_Safety_Interoperability#Federal_.2F_Non-Federal_Interagency_Search_and_Rescue_SAR_Interoperability|operations]] may use the voice frequencies listed above, plus the following as well as various VHF/UHF aircraft band frequencies, VHF marine band frequencies and other frequencies depending on local circumstances.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Search and rescue (SAR) [[Nationwide_Public_Safety_Interoperability#Federal_.2F_Non-Federal_Interagency_Search_and_Rescue_SAR_Interoperability|operations]] may use the voice frequencies listed above, plus the following as well as various VHF/UHF aircraft band frequencies, VHF marine band frequencies and other frequencies depending on local circumstances.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>*3023 kHz USB - Voice SAR on-scene coordination / communications &nbsp;</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>*3023 kHz USB - Voice SAR on-scene coordination / communications <ins class="diffchange diffchange-inline">- Civil / Military - Night Scene of Search SAMAR 1</ins></div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>*5680 kHz USB - Voice SAR on-scene coordination / communications &nbsp;</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">*3085 kHz USB - Voice SAR on-scene coordination / communications - Military - Night Scene of Search SAMAR 4</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>*5680 kHz USB - Voice SAR on-scene coordination / communications <ins class="diffchange diffchange-inline">- Civil / Military - Day Scene of Search SAMAR 1</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">*5695 kHz USB - Voice SAR on-scene coordination / communications - Military - Day Scene of Search SAMAR 4</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*8364 kHz USB - Voice SAR on-scene coordination / communications &nbsp;</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*8364 kHz USB - Voice SAR on-scene coordination / communications &nbsp;</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*10003 kHz USB - Voice SAR on-scene coordination / communications &nbsp;</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*10003 kHz USB - Voice SAR on-scene coordination / communications &nbsp;</div></td></tr> </table> R4002 https://hfunderground.com/wiki/index.php?title=HF_marine&diff=18554&oldid=prev R4002: /* MF SSB and HF SSB marine bands */ 2026-06-05T12:46:28Z <p><span class="autocomment">MF SSB and HF SSB marine bands</span></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 12:46, 5 June 2026</td> </tr><tr><td colspan="2" class="diff-lineno">Line 64:</td> <td colspan="2" class="diff-lineno">Line 64:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|-</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|-</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|26145-26175 kHz</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|26145-26175 kHz</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>|HF [[11_meter|26 MHz]] marine band - shared with fixed mobile services, including ocean-based [[HF_pagers|telemetry systems]] &nbsp;</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>|HF [[11_meter|26 MHz]] marine band - shared with fixed <ins class="diffchange diffchange-inline">and </ins>mobile services, including ocean-based [[HF_pagers|telemetry systems]] <ins class="diffchange diffchange-inline">and land mobile services</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|-</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|-</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|26175-30000 kHz</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|26175-30000 kHz</div></td></tr> </table> R4002 https://hfunderground.com/wiki/index.php?title=HF_marine&diff=16648&oldid=prev R4002 at 13:54, 23 October 2024 2024-10-23T13:54:35Z <p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 13:54, 23 October 2024</td> </tr><tr><td colspan="2" class="diff-lineno">Line 1,416:</td> <td colspan="2" class="diff-lineno">Line 1,416:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*[[CB#Australian_27_MHz_Marine_CB|27 MHz Marine CB - 27MHz or 27 Meg Australia marine band]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*[[CB#Australian_27_MHz_Marine_CB|27 MHz Marine CB - 27MHz or 27 Meg Australia marine band]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*[[CB#South_Africa_.2829_MHz_CB.29|29 MHz CB - South African marine mobile 29MHz frequencies]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*[[CB#South_Africa_.2829_MHz_CB.29|29 MHz CB - South African marine mobile 29MHz frequencies]]</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>*[[CB#China.2FHong_Kong_Chinese_27.5-39.5_MHz_HF_and_VHF-low_Fishery_Marine_Band_FM_Fishing_Radio|Chinese 480 channel HF/VHF low band 480 Channel FM fishery radiotelephone 27.500 MHz - 39.475 MHz]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>*[[CB#China.2FHong_Kong_Chinese_27.5-39.5_MHz_HF_and_VHF-low_Fishery_Marine_Band_FM_Fishing_Radio|Chinese 480 <ins class="diffchange diffchange-inline">channel / 960 </ins>channel HF/VHF low band 480 Channel <ins class="diffchange diffchange-inline">/ 960 channel </ins>FM fishery radiotelephone 27.500 MHz - 39.475 MHz]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*[[CB#Thailand_27_MHz_Marine_Maritime_CB_Radio_Communications|Thai 10 watt / 25 watt AM FM SSB fishery marine CB radiocommunications service 168 channel 26 MHz 27 MHz]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*[[CB#Thailand_27_MHz_Marine_Maritime_CB_Radio_Communications|Thai 10 watt / 25 watt AM FM SSB fishery marine CB radiocommunications service 168 channel 26 MHz 27 MHz]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*[[CB#Japanese_27MHz_Double_Side_Band_DSB_Marine_Fishery_Radio|Japanese 1 watt DSB (AM) double side band fishery radio service Japan 26-27 MHz 1W DSB 27MHz]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*[[CB#Japanese_27MHz_Double_Side_Band_DSB_Marine_Fishery_Radio|Japanese 1 watt DSB (AM) double side band fishery radio service Japan 26-27 MHz 1W DSB 27MHz]]</div></td></tr> </table> R4002 https://hfunderground.com/wiki/index.php?title=HF_marine&diff=16506&oldid=prev R4002: /* Designated Simplex Frequencies */ 2024-09-11T14:55:13Z <p><span class="autocomment">Designated Simplex Frequencies</span></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 14:55, 11 September 2024</td> </tr><tr><td colspan="2" class="diff-lineno">Line 125:</td> <td colspan="2" class="diff-lineno">Line 125:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*6516 kHz USB - Northwest Caribbean Net NW Caribbean Net Secondary 14:00 UTC</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*6516 kHz USB - Northwest Caribbean Net NW Caribbean Net Secondary 14:00 UTC</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>===Designated Simplex Frequencies===</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>===Designated Simplex <ins class="diffchange diffchange-inline">SSB Radiotelephone Voice </ins>Frequencies===</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>U.S. designated frequencies in the 2 MHz - 30 MHz band are listed below.&nbsp; Many of these are shared with other services and may be assigned for other marine purposes per ITU rules (see below).</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>U.S. designated frequencies in the 2 MHz - 30 MHz band are listed below.&nbsp; Many of these are shared with other services and may be assigned for other marine purposes per ITU rules (see below). <ins class="diffchange diffchange-inline"> </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>&#160;</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">These frequencies are designated for radiotelephone operations (voice, USB mode, frequency indicated is the dial frequency, in other words, 2003.0 kHz is what your radio's display should show for operating on 2003 kHz).&nbsp; Emission J3E is the primary emission on these frequencies.&nbsp; DSC may be used, in which case, emission must be J2B.&nbsp; USB voice emission is 2.8 kHz bandwidth, emission designator 2K80J3E.&nbsp; R3E may be used on distress, safety and calling frequencies, in which case the emission designator is 2K80R3E.&nbsp; </ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> </table> R4002 https://hfunderground.com/wiki/index.php?title=HF_marine&diff=16504&oldid=prev R4002: /* Designated Simplex Frequencies */ 2024-09-11T14:28:32Z <p><span class="autocomment">Designated Simplex Frequencies</span></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 14:28, 11 September 2024</td> </tr><tr><td colspan="2" class="diff-lineno">Line 134:</td> <td colspan="2" class="diff-lineno">Line 134:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*2079.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*2079.0 kHz - Business and operational communications</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*2082.5 kHz - Ship to ship and ship to shore, private communications - All areas</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*2082.5 kHz - Ship to ship and ship to shore, private communications - All areas</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*2086.0 kHz - Mississippi River System working - ship to ship and ship to shore</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*2093.0 kHz - Ship to ship and ship to shore, private communications - All areas</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*2093.0 kHz - Ship to ship and ship to shore, private communications - All areas</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*2096.5 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*2096.5 kHz - Business and operational communications</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 142:</td> <td colspan="2" class="diff-lineno">Line 143:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*2670.0 kHz - Ship to ship and ship to shore, private communications - All areas</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*2670.0 kHz - Ship to ship and ship to shore, private communications - All areas</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*2738.0 kHz - Ship to ship and ship to shore, private communications - All areas except the Great Lakes, navigational information &nbsp;</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*2738.0 kHz - Ship to ship and ship to shore, private communications - All areas except the Great Lakes, navigational information &nbsp;</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*2782.0 kHz - Mississippi River System working - ship to ship and ship to shore </ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*2830.0 kHz - Ship to ship and ship to shore, private communications - Gulf of Mexico &nbsp;</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*2830.0 kHz - Ship to ship and ship to shore, private communications - Gulf of Mexico &nbsp;</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*3023.0 kHz - Scene of action Search and Rescue (SAR) communications only &nbsp;</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*3023.0 kHz - Scene of action Search and Rescue (SAR) communications only &nbsp;</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*4065.0 kHz - Mississippi River System working - ship to ship and ship to shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*4089.0 kHz - Mississippi River System working - ship to ship and ship to shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*4116.0 kHz - Mississippi River System working - ship to ship and ship to shore </ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*4146.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*4146.0 kHz - Business and operational communications</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*4149.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*4149.0 kHz - Business and operational communications</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*4408.0 kHz - Mississippi River System working - ship to ship and ship to shore&nbsp; </ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*4417.0 kHz - Calling and reply use and Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*4417.0 kHz - Calling and reply use and Business and operational communications</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*5680.0 kHz - Scene of action Search and Rescue (SAR) communications only&nbsp; &nbsp;</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*5680.0 kHz - Scene of action Search and Rescue (SAR) communications only&nbsp; &nbsp;</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*6209.0 kHz - Mississippi River System working - ship to ship and ship to shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*6212.0 kHz - Mississippi River System working - ship to ship and ship to shore </ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*6224.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*6224.0 kHz - Business and operational communications</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*6227.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*6227.0 kHz - Business and operational communications</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*6230.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*6230.0 kHz - Business and operational communications</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*6510.0 kHz - Mississippi River System working - ship to ship and ship to shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*6513.0 kHz - Mississippi River System working - ship to ship and ship to shore </ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*6516.0 kHz - Calling and reply use and business and operational communications - daytime only</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*6516.0 kHz - Calling and reply use and business and operational communications - daytime only</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8201.0 kHz - Mississippi River System working - ship to ship and ship to shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8213.0 kHz - Mississippi River System working - ship to ship and ship to shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8725.0 kHz - Mississippi River System working - ship to ship and ship to shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8737.0 kHz - Mississippi River System working - ship to ship and ship to shore </ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*8294.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*8294.0 kHz - Business and operational communications</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*8297.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*8297.0 kHz - Business and operational communications</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 157:</td> <td colspan="2" class="diff-lineno">Line 171:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*12356.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*12356.0 kHz - Business and operational communications</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*12359.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*12359.0 kHz - Business and operational communications</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*12362.0 kHz - Mississippi River System working - ship to ship and ship to shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*12365.0 kHz - Mississippi River System working - ship to ship and ship to shore </ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*16528.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*16528.0 kHz - Business and operational communications</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*16531.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*16531.0 kHz - Business and operational communications</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*16534.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*16534.0 kHz - Business and operational communications</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*16537.0 kHz - Public Correspondence simplex ship-to-shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*16540.0 kHz - Public Correspondence simplex ship-to-shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*16543.0 kHz - Mississippi River System working - ship to ship and ship to shore&nbsp; </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*16546.0 kHz - Mississippi River System working - ship to ship and ship to shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*18825.0 kHz - Public Correspondence simplex ship-to-shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*18828.0 kHz - Public Correspondence simplex ship-to-shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*18831.0 kHz - Public Correspondence simplex ship-to-shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*18834.0 kHz - Public Correspondence simplex ship-to-shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*18837.0 kHz - Public Correspondence simplex ship-to-shore </ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*18840.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*18840.0 kHz - Business and operational communications</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*18843.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*18843.0 kHz - Business and operational communications</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 167:</td> <td colspan="2" class="diff-lineno">Line 192:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*22168.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*22168.0 kHz - Business and operational communications</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*22171.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*22171.0 kHz - Business and operational communications</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*22174.0 kHz - Public Correspondence simplex ship-to-shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*22177.0 kHz - Public Correspondence simplex ship-to-shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*25100.0 kHz - Public Correspondence simplex ship-to-shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*25103.0 kHz - Public Correspondence simplex ship-to-shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*25106.0 kHz - Public Correspondence simplex ship-to-shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*25109.0 kHz - Public Correspondence simplex ship-to-shore </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*25112.0 kHz - Public Correspondence simplex ship-to-shore </ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*25115.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*25115.0 kHz - Business and operational communications</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*25118.0 kHz - Business and operational communications</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*25118.0 kHz - Business and operational communications</div></td></tr> </table> R4002 https://hfunderground.com/wiki/index.php?title=HF_marine&diff=16503&oldid=prev R4002: /* Designated Simplex Frequencies */ 2024-09-11T14:22:35Z <p><span class="autocomment">Designated Simplex Frequencies</span></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 14:22, 11 September 2024</td> </tr><tr><td colspan="2" class="diff-lineno">Line 129:</td> <td colspan="2" class="diff-lineno">Line 129:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>U.S. designated frequencies in the 2 MHz - 30 MHz band are listed below.&nbsp; Many of these are shared with other services and may be assigned for other marine purposes per ITU rules (see below).</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>U.S. designated frequencies in the 2 MHz - 30 MHz band are listed below.&nbsp; Many of these are shared with other services and may be assigned for other marine purposes per ITU rules (see below).</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*2003.0 kHz - Ship to ship and ship to shore, private communications - Great Lakes only</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*2065.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*2079.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*2082.5 kHz - Ship to ship and ship to shore, private communications - All areas</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*2093.0 kHz - Ship to ship and ship to shore, private communications - All areas</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*2096.5 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*2142.0 kHz - Ship to ship and ship to shore, private communications - Pacific coast areas south of 42 degrees North - daytime only</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*2203.0 kHz - Ship to ship and ship to shore, private communications - Gulf of Mexico</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*2214.0 kHz - Ship to ship and ship to shore, private communications - All areas</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*2638.0 kHz - Ship to ship and ship to shore, private communications - All areas, navigational information </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*2670.0 kHz - Ship to ship and ship to shore, private communications - All areas</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*2738.0 kHz - Ship to ship and ship to shore, private communications - All areas except the Great Lakes, navigational information </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*2830.0 kHz - Ship to ship and ship to shore, private communications - Gulf of Mexico </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*3023.0 kHz - Scene of action Search and Rescue (SAR) communications only </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*4146.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*4149.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*4417.0 kHz - Calling and reply use and Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*5680.0 kHz - Scene of action Search and Rescue (SAR) communications only&nbsp; </ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*6224.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*6227.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*6230.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*6516.0 kHz - Calling and reply use and business and operational communications - daytime only</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8294.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8297.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*12353.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*12356.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*12359.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*16528.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*16531.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*16534.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*18840.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*18843.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*22159.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*22162.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*22165.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*22168.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*22171.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*25115.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*25118.0 kHz - Business and operational communications</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>===ITU Designated Simplex Frequencies===</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>===ITU Designated Simplex Frequencies===</div></td></tr> </table> R4002 https://hfunderground.com/wiki/index.php?title=HF_marine&diff=16502&oldid=prev R4002: /* ITU Designated Simplex Frequencies */ 2024-09-11T14:12:21Z <p><span class="autocomment">ITU Designated Simplex Frequencies</span></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 14:12, 11 September 2024</td> </tr><tr><td colspan="2" class="diff-lineno">Line 124:</td> <td colspan="2" class="diff-lineno">Line 124:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*6212 kHz USB - Northwest Caribbean Net NW Caribbean Net Secondary 14:00 UTC</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*6212 kHz USB - Northwest Caribbean Net NW Caribbean Net Secondary 14:00 UTC</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*6516 kHz USB - Northwest Caribbean Net NW Caribbean Net Secondary 14:00 UTC</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*6516 kHz USB - Northwest Caribbean Net NW Caribbean Net Secondary 14:00 UTC</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">===Designated Simplex Frequencies===</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">U.S. designated frequencies in the 2 MHz - 30 MHz band are listed below.&nbsp; Many of these are shared with other services and may be assigned for other marine purposes per ITU rules (see below).</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>===ITU Designated Simplex Frequencies===</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>===ITU Designated Simplex Frequencies===</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 217:</td> <td colspan="2" class="diff-lineno">Line 222:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*25115.0 kHz - Channel 25F</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*25115.0 kHz - Channel 25F</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*25118.0 kHz - Channel 25G</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*25118.0 kHz - Channel 25G</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2">&nbsp;</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>===Simplex Frequencies - Additional===</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>===Simplex Frequencies - Additional===</div></td></tr> </table> R4002 https://hfunderground.com/wiki/index.php?title=HF_marine&diff=16422&oldid=prev R4002: /* Simplex Frequencies - Additional */ ****fixed frequency list, removed 4063 kHz from shared frequency list (it is just a regular old marine frequency) 2024-08-12T18:15:26Z <p><span class="autocomment">Simplex Frequencies - Additional: </span> ****fixed frequency list, removed 4063 kHz from shared frequency list (it is just a regular old marine frequency)</p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 18:15, 12 August 2024</td> </tr><tr><td colspan="2" class="diff-lineno">Line 249:</td> <td colspan="2" class="diff-lineno">Line 249:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*4057.0 kHz</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*4057.0 kHz</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*4060.0 kHz</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*4060.0 kHz</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">*4063.0 kHz - this frequency is not included in all lists</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>&#160;</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*'''8 MHz band - 8101 kHz to 8191 kHz 3 kHz spacing, USB voice'''</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*'''8 MHz band - 8101 kHz to 8191 kHz 3 kHz spacing, USB voice'''</div></td></tr> </table> R4002 https://hfunderground.com/wiki/index.php?title=HF_marine&diff=16421&oldid=prev R4002: /* Simplex Frequencies - Additional */ 2024-08-12T18:14:35Z <p><span class="autocomment">Simplex Frequencies - Additional</span></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 18:14, 12 August 2024</td> </tr><tr><td colspan="2" class="diff-lineno">Line 252:</td> <td colspan="2" class="diff-lineno">Line 252:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*'''8 MHz band - 8101 kHz to 8191 kHz 3 kHz spacing, USB voice'''</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*'''8 MHz band - 8101 kHz to 8191 kHz 3 kHz spacing, USB voice'''</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">The 7450 kHz to 8100 kHz portion of the fixed/mobile band is not included in this shared spectrum...however, many marine users use these frequencies anyway, especially the lower portion of the 8 MHz band and the higher portion of the 7 MHz band.</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*8101.0 kHz</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*8101.0 kHz</div></td></tr> </table> R4002 https://hfunderground.com/wiki/index.php?title=HF_marine&diff=16406&oldid=prev R4002: /* Simplex Frequencies - Additional */ 2024-08-12T17:56:46Z <p><span class="autocomment">Simplex Frequencies - Additional</span></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 17:56, 12 August 2024</td> </tr><tr><td colspan="2" class="diff-lineno">Line 225:</td> <td colspan="2" class="diff-lineno">Line 225:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>*'''4 MHz <del class="diffchange diffchange-inline">(</del>4000 kHz - <del class="diffchange diffchange-inline">4438 </del>kHz<del class="diffchange diffchange-inline">) marine band:'''</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>*'''4 MHz <ins class="diffchange diffchange-inline">band - </ins>4000 kHz - <ins class="diffchange diffchange-inline">4060 </ins>kHz<ins class="diffchange diffchange-inline">, 3 kHz spacing, USB voice</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*4000.0 kHz</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*4000.0 kHz</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 249:</td> <td colspan="2" class="diff-lineno">Line 249:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*4057.0 kHz</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*4057.0 kHz</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*4060.0 kHz</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*4060.0 kHz</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*4063.0 kHz - this frequency is not included in all lists</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>*'''8 MHz <del class="diffchange diffchange-inline">(8000 kHz </del>- <del class="diffchange diffchange-inline">8815 </del>kHz<del class="diffchange diffchange-inline">) marine band:</del>'''</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>*'''8 MHz <ins class="diffchange diffchange-inline">band </ins>- <ins class="diffchange diffchange-inline">8101 </ins>kHz <ins class="diffchange diffchange-inline">to 8191 kHz 3 kHz spacing, USB voice</ins>'''</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*8101.0 kHz</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*8101.0 kHz</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8104.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8107.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8110.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8113.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8116.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8119.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8122.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8125.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8128.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8131.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8134.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8137.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8140.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8143.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8146.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8149.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8152.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8155.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8158.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8161.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8164.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8167.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8170.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8173.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8176.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8179.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8182.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8185.0 kHz</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">*8188.0 kHz</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*8191.0 kHz</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>*8191.0 kHz</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> </table> R4002