Part 15 Beacons
From HFUnderground
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+ | = Overview = | ||
+ | |||
+ | There are three bands available to hobbyists for Part 15 transmitters: | ||
+ | * 160 - 190 kHz | ||
+ | * 13.553 - 13.567 kHz (often referred to as 13560 kHz) | ||
+ | * 26960 - 27280 kHz | ||
+ | |||
+ | == 160-190 kHz Part 15 Beacons == | ||
+ | 167.180 LC Sacramento CA | ||
+ | 180.580 6R El Dorado Hills CA | ||
+ | 181.818 JH Florence SC | ||
+ | 182.448 R Keeler CA | ||
+ | 183.500 WD2XFJ Burbank CA | ||
+ | 185.100 22A Baraga MI | ||
+ | 185.185 SIW Oswego IL | ||
+ | 185.290 KT Oswego KS | ||
+ | 185.295 MBD Westminster CO | ||
+ | 185.297 TAG Raymond ME | ||
+ | 185.298 CV South Coffeyville OK | ||
+ | 185.299 SIW Oswego IL | ||
+ | 185.303 SJ East Haven CT | ||
+ | 185.650 WE2XEB Penn Yan NY | ||
+ | 186.008 WG2XNI Denver CO | ||
+ | 186.204 MLS Massilon OH | ||
+ | 187.015 J La Crescenta CA | ||
+ | 187.507 WI Aiken SC | ||
+ | 188.830 EAR Saltford, ON | ||
+ | |||
+ | |||
== 13560 kHz Part 15 Beacons == | == 13560 kHz Part 15 Beacons == | ||
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*13564.00 K6FRC | *13564.00 K6FRC | ||
[[Category:Beacons]] | [[Category:Beacons]] | ||
+ | |||
+ | |||
+ | == FCC Regulations == | ||
+ | |||
+ | === 160 - 190 kHz === | ||
+ | 15.217 Operation in the band 160-190 kHz. | ||
+ | (a) The total input power to the final radio frequency stage (exclusive of | ||
+ | filament or heater power) shall not exceed one watt. | ||
+ | (b) The total length of the transmission line, antenna, and ground lead | ||
+ | (if used) shall not exceed 15 meters. | ||
+ | (c) All emissions below 160 kHz or above 190 kHz shall be attenuated at | ||
+ | least 20 dB below the level of the unmodulated carrier. Determination | ||
+ | of compliance with the 20 dB attenuation specification may be based on | ||
+ | measurements at the intentional radiator's antenna output terminal | ||
+ | unless the intentional radiator uses a permanently attached antenna, in | ||
+ | which case compliance shall be demonstrated by measuring the radiated | ||
+ | emissions. | ||
+ | |||
+ | |||
+ | === 13560 kHz === | ||
+ | 15.225 Operation within the band 13.110-14.010 MHz. | ||
+ | (a) The field strength of any emissions within the band 13.553-13.567 | ||
+ | MHz shall not exceed 15,848 microvolts/meter at 30 meters. | ||
+ | (b) Within the bands 13.410-13.553 MHz and 13.567-13.710 MHz, the field | ||
+ | strength of any emissions shall not exceed 334 microvolts/meter at 30 | ||
+ | meters. | ||
+ | (c) Within the bands 13.110-13.410 MHz and 13.710-14.010 MHz the field | ||
+ | strength of any emissions shall not exceed 106 microvolts/meter at 30 | ||
+ | meters. | ||
+ | (d) The field strength of any emissions appearing outside of the | ||
+ | 13.110-14.010 MHz band shall not exceed the general radiated emission | ||
+ | limits in § 15.209. | ||
+ | (e) The frequency tolerance of the carrier signal shall be maintained | ||
+ | within ±0.01% of the operating frequency over a temperature variation | ||
+ | of −20 degrees to +50 degrees C at normal supply voltage, and for a | ||
+ | variation in the primary supply voltage from 85% to 115% of the rated | ||
+ | supply voltage at a temperature of 20 degrees C. For battery operated | ||
+ | equipment, the equipment tests shall be performed using a new battery. | ||
+ | (f) In the case of radio frequency powered tags designed to operate | ||
+ | with a device authorized under this section, the tag may be approved | ||
+ | with the device or be considered as a separate device subject to its | ||
+ | own authorization. Powered tags approved with a device under a single | ||
+ | application shall be labeled with the same identification number as the | ||
+ | device. | ||
+ | |||
+ | |||
+ | === 26960 - 27280 kHz === | ||
+ | 15.227 Operation within the band 26.96-27.28 MHz. | ||
+ | (a) The field strength of any emission within this band shall not | ||
+ | exceed 10,000 microvolts/meter at 3 meters. The emission limit in this | ||
+ | paragraph is based on measurement instrumentation employing an average | ||
+ | detector. The provisions in § 15.35 for limiting peak emissions apply. | ||
+ | (b) The field strength of any emissions which appear outside of this | ||
+ | band shall not exceed the general radiated emission limits in § 15.209. | ||
+ | |||
+ | UNDERSTANDING THE FCC REGULATIONS FOR LOW-POWER, NON-LICENSED TRANSMITTERS | ||
+ | http://transition.fcc.gov/Bureaus/Engineering_Technology/Documents/bulletins/oet63/oet63rev.pdf |
Revision as of 14:24, 7 August 2014
Contents |
Overview
There are three bands available to hobbyists for Part 15 transmitters:
- 160 - 190 kHz
- 13.553 - 13.567 kHz (often referred to as 13560 kHz)
- 26960 - 27280 kHz
160-190 kHz Part 15 Beacons
167.180 LC Sacramento CA 180.580 6R El Dorado Hills CA 181.818 JH Florence SC 182.448 R Keeler CA 183.500 WD2XFJ Burbank CA 185.100 22A Baraga MI 185.185 SIW Oswego IL 185.290 KT Oswego KS 185.295 MBD Westminster CO 185.297 TAG Raymond ME 185.298 CV South Coffeyville OK 185.299 SIW Oswego IL 185.303 SJ East Haven CT 185.650 WE2XEB Penn Yan NY 186.008 WG2XNI Denver CO 186.204 MLS Massilon OH 187.015 J La Crescenta CA 187.507 WI Aiken SC 188.830 EAR Saltford, ON
13560 kHz Part 15 Beacons
- 13555.60 MTI
- 13562.08 NDB
- 13562.80 GNK Madison WI
- 13564.00 K6FRC
FCC Regulations
160 - 190 kHz
15.217 Operation in the band 160-190 kHz. (a) The total input power to the final radio frequency stage (exclusive of filament or heater power) shall not exceed one watt. (b) The total length of the transmission line, antenna, and ground lead (if used) shall not exceed 15 meters. (c) All emissions below 160 kHz or above 190 kHz shall be attenuated at least 20 dB below the level of the unmodulated carrier. Determination of compliance with the 20 dB attenuation specification may be based on measurements at the intentional radiator's antenna output terminal unless the intentional radiator uses a permanently attached antenna, in which case compliance shall be demonstrated by measuring the radiated emissions.
13560 kHz
15.225 Operation within the band 13.110-14.010 MHz. (a) The field strength of any emissions within the band 13.553-13.567 MHz shall not exceed 15,848 microvolts/meter at 30 meters. (b) Within the bands 13.410-13.553 MHz and 13.567-13.710 MHz, the field strength of any emissions shall not exceed 334 microvolts/meter at 30 meters. (c) Within the bands 13.110-13.410 MHz and 13.710-14.010 MHz the field strength of any emissions shall not exceed 106 microvolts/meter at 30 meters. (d) The field strength of any emissions appearing outside of the 13.110-14.010 MHz band shall not exceed the general radiated emission limits in § 15.209. (e) The frequency tolerance of the carrier signal shall be maintained within ±0.01% of the operating frequency over a temperature variation of −20 degrees to +50 degrees C at normal supply voltage, and for a variation in the primary supply voltage from 85% to 115% of the rated supply voltage at a temperature of 20 degrees C. For battery operated equipment, the equipment tests shall be performed using a new battery. (f) In the case of radio frequency powered tags designed to operate with a device authorized under this section, the tag may be approved with the device or be considered as a separate device subject to its own authorization. Powered tags approved with a device under a single application shall be labeled with the same identification number as the device.
26960 - 27280 kHz
15.227 Operation within the band 26.96-27.28 MHz. (a) The field strength of any emission within this band shall not exceed 10,000 microvolts/meter at 3 meters. The emission limit in this paragraph is based on measurement instrumentation employing an average detector. The provisions in § 15.35 for limiting peak emissions apply. (b) The field strength of any emissions which appear outside of this band shall not exceed the general radiated emission limits in § 15.209.
UNDERSTANDING THE FCC REGULATIONS FOR LOW-POWER, NON-LICENSED TRANSMITTERS http://transition.fcc.gov/Bureaus/Engineering_Technology/Documents/bulletins/oet63/oet63rev.pdf
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