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*[[Spy Numbers Stations]]
*[[Spy Numbers Stations]]
*[[Soviet/Russian Strategic Communication/Warfare Units]]
*[[Soviet/Russian Strategic Communication/Warfare Units]]
-
*[[Soviet Strategic Aerial/Electronic Defense Units]]
 
*[[Cuban Intelligence Radio Stations/Operations]]
*[[Cuban Intelligence Radio Stations/Operations]]
*[[Pescadores]]
*[[Pescadores]]
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*[[:Category:People]]
*[[:Category:People]]
*[[Signal Identification]]
*[[Signal Identification]]
 +
*[https://www.sigidwiki.com/wiki/Signal_Identification_Guide The Signal Identification Wiki]
*[[Shortwave Broadcast Stations]]
*[[Shortwave Broadcast Stations]]
 +
*[[Private European Shortwave Stations]]
*[[Shortwave jammers]]
*[[Shortwave jammers]]
*[[Shortwave Utility Stations]]
*[[Shortwave Utility Stations]]
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*[[Maritime Weather Transmissions|MF/HF maritime weather transmissions]]
*[[Maritime Weather Transmissions|MF/HF maritime weather transmissions]]
*[[Maritime Fax Transmissions|MF/HF maritime fax transmissions]]
*[[Maritime Fax Transmissions|MF/HF maritime fax transmissions]]
-
*[[VHF / UHF Radio]]
+
*[[VHF / UHF Radio|VHF and UHF Services - including land mobile radio, PMR, etc.]]
-
*[[Business Radio|Business Radio Service]]
+
*[[Business Radio|Business Radio Service - Industrial/Business Radio Pool]]
*[[CB|CB radio, Freebanding]] and the [[11_meter|11 meter band]]
*[[CB|CB radio, Freebanding]] and the [[11_meter|11 meter band]]
*[[Community Audio Distribution Service|Community Audio Distribution Service (CADS) and Wireless Public Address System (WPAS) (27 MHz Church Radio)]]
*[[Community Audio Distribution Service|Community Audio Distribution Service (CADS) and Wireless Public Address System (WPAS) (27 MHz Church Radio)]]
-
*[[Remote Control]]
+
*[[Remote Control|Remote Control - R/C Services Worldwide]]
*[[HF_pagers|26-28 MHz Data Link Networks and Pagers]]
*[[HF_pagers|26-28 MHz Data Link Networks and Pagers]]
*[[Miscellaneous]]
*[[Miscellaneous]]
*[[RTL-SDR]]
*[[RTL-SDR]]
 +
*[[KiwiSDR]]
*[[Technical Topics]]
*[[Technical Topics]]
*[[NIST_Digital_Archives|NIST Digital Archives]]
*[[NIST_Digital_Archives|NIST Digital Archives]]
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*[[High Frequency Beacon]]
*[[High Frequency Beacon]]
*Radio Related [[Blogs]]  
*Radio Related [[Blogs]]  
-
*[[KiwiSDR]]
+
 
*[[LORAN]]
*[[LORAN]]

Revision as of 20:16, 3 September 2020

Welcome to HFUnderground.com, aka the HFU. This site is dedicated to documenting longwave, mediumwave, and shortwave stations, including broadcasters, utility/military stations, pirate radio and spy numbers stations.

Be sure to visit the HF Underground Message Board for the latest reception reports and news about pirate and other shortwave radio stations.

Everyone who is a radio enthusiast is encouraged to add information to the site. Just become a registered user, and you can start to contribute!

Category:Main topics:Top level category of articles and images.

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Internet Relay Chat

Many pirate and other radio enthusiasts hang out on the #PirateRadio and #WUNClub IRC (Internet Relay Chat) channels on the StarChat network. This is a place where you can chat with fellow listeners, as well as share monitoring catches in real time.

Joining the chat is fairly easy. You can use the online chat below until you get an IRC client. The Java chat requires a browser with Java enabled.

Click here to be taken to the #PirateRadio chat

Click here to be taken to the #WUNClub chat

Click here to be taken to the #mid-atlantic-scan chat (Mid Atlantic VHF/UHF Radio Scanning)



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