Allocations

 
U.S. Non-Federal-Government Allocations
50 - 54 MHz
AMATEUR

FCC Rule Parts:
Amateur Radio (97)

U.S. Federal Government Allocations
50 - 73 MHz


ITU Region 1 Allocations
47 - 68 MHz
BROADCASTING


ITU Region 2 Allocations
50 - 54 MHz
AMATEUR


ITU Region 3 Allocations
50 - 54 MHz
AMATEUR


SpectrumWiki


Footnotes


5.162A Additional allocation: in Germany, Austria, Belgium, Bosnia and Herzegovina, China, Vatican, Denmark, Spain, Estonia, the Russian Federation, Finland, France, Ireland, Iceland, Italy, Latvia, The Former Yugoslav Republic of Macedonia, Liechtenstein, Lithuania, Luxembourg, Monaco, Montenegro, Norway, the Netherlands, Poland, Portugal, the Czech Rep., the United Kingdom, Serbia, Slovenia, Sweden and Switzerland the band 46-68 MHz is also allocated to the radiolocation service on a secondary basis. This use is limited to the operation of wind profiler radars in accordance with Resolution 217 (WRC-97). (WRC-12)

5.163 Additional allocation: in Armenia, Belarus, the Russian Federation, Georgia, Hungary, Kazakhstan, Latvia, Moldova, Uzbekistan, Kyrgyzstan, Tajikistan, Turkmenistan and Ukraine, the bands 47-48.5 MHz and 56.5-58 MHz are also allocated to the fixed and land mobile services on a secondary basis. (WRC-12)

5.164 Additional allocation: in Albania, Algeria, Germany, Austria, Belgium, Bosnia and Herzegovina, Botswana, Bulgaria, Côte d'Ivoire, Denmark, Spain, Estonia, Finland, France, Gabon, Greece, Ireland, Israel, Italy, Jordan, Lebanon, Libya, Liechtenstein, Lithuania, Luxembourg, Madagascar, Mali, Malta, Morocco, Mauritania, Monaco, Montenegro, Nigeria, Norway, the Netherlands, Poland, Syrian Arab Republic, Slovakia, Czech Rep., Romania, the United Kingdom, Serbia, Slovenia, Sweden, Switzerland, Swaziland, Chad, Togo, Tunisia and Turkey, the band 47-68 MHz, in South Africa the band 47-50 MHz, and in Latvia the band 48.5-56.5 MHz, are also allocated to the land mobile service on a primary basis. However, stations of the land mobile service in the countries mentioned in connection with each band referred to in this footnote shall not cause harmful interference to, or claim protection from, existing or planned broadcasting stations of countries other than those mentioned in connection with the band. (WRC-12)

5.165 Additional allocation: in Angola, Cameroon, Congo (Rep. of the), Madagascar, Mozambique, Niger, Somalia, Sudan, South Sudan, Tanzania and Chad, the band 47-68 MHz is also allocated to the fixed and mobile, except aeronautical mobile, services on a primary basis. (WRC-12)

5.166 Alternative allocation: in New Zealand, the band 50-51 MHz is allocated to the fixed and mobile services on a primary basis; the band 53-54 MHz is allocated to the fixed and mobile services on a primary basis. (WRC-12)

5.167 Alternative allocation: in Bangladesh, Brunei Darussalam, India, Iran (Islamic Republic of), Pakistan, Singapore and Thailand, the band 50-54 MHz is allocated to the fixed, mobile and broadcasting services on a primary basis. (WRC-07)

5.167A Additional allocation: in Indonesia, the band 50-54 MHz is also allocated to the fixed, mobile and broadcasting services on a primary basis. (WRC-07)

5.168 Additional allocation: in Australia, China and the Dem. People’s Rep. of Korea, the band 50-54 MHz is also allocated to the broadcasting service on a primary basis.

5.169 Alternative allocation: in Botswana, Lesotho, Malawi, Namibia, the Dem. Rep. of the Congo, Rwanda, South Africa, Swaziland, Zambia and Zimbabwe, the band 50-54 MHz is allocated to the amateur service on a primary basis. In Senegal, the band 50-51 MHz is allocated to the amateur service on a primary basis. (WRC-12)

5.170 Additional allocation: in New Zealand, the band 51-53 MHz is also allocated to the fixed and mobile services on a primary basis.

5.171 Additional allocation: in Botswana, Lesotho, Malawi, Mali, Namibia, Dem. Rep. of the Congo, Rwanda, South Africa, Swaziland, Zambia and Zimbabwe, the band 54-68 MHz is also allocated to the fixed and mobile, except aeronautical mobile, services on a primary basis. (WRC-12)

SpectrumWiki

 
Television Broadcast
Amateur Radio 6 m Band
Radio-Based Clock Synchronization
Television Band “White Space” Devices
Radio Control (R/C) Radio Service
Single Channel Ground and Airborne Radio System (SINCGARS)
Auditory Assistance Devices
Access Broadband over Power Line (Access BPL)
2019 World Radiocommunication Conference (WRC-19) Agenda Item 1.1
Experimental Ultra-Wideband (UWB) Systems
2023 World Radiocommunication Conference (WRC-23) Preliminary Agenda Item 2.2
WRC-19 Agenda Item 1.1


Related Documents, Links, and Multimedia:
FCC Proceeding (3)
Occupancy Measurements (10)
Band Plan (2)
Legislation (1)
Other (2)

Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 47 MHz 60 MHz 73 MHz
Wavelength 6.4 m 5.0 m 4.1 m
Band designator(s) VHF VHF VHF
Isotropic collecting area 3.2 m2 2.0 m2 1.3 m2
Free space loss (1 m) 6.4 dB 8.0 dB 7.1 dB
Free space loss (1 km) 66.4 dB 68.0 dB 67.1 dB
Free space loss (10 km) 86.4 dB 88.0 dB 87.1 dB
Free space loss (100 km) 106.4 dB 108.0 dB 107.1 dB
Free space loss (1000 km) 126.4 dB 128.0 dB 127.1 dB
Free space loss
(35,786 km = GEO orbit)
157.5 dB 159.1 dB 158.2 dB
Free space loss (378,370 km = Moon) 178.0 dB 179.6 dB 178.7 dB