Allocations

 
U.S. Non-Federal-Government Allocations
222 - 225 MHz
AMATEUR

FCC Rule Parts:
Amateur Radio (97)

U.S. Federal Government Allocations
222 - 225 MHz


ITU Region 1 Allocations
174 - 223 MHz
BROADCASTING


ITU Region 2 Allocations
220 - 225 MHz
AMATEUR
FIXED
MOBILE
Radiolocation 5.241


ITU Region 3 Allocations
174 - 223 MHz
FIXED
MOBILE
BROADCASTING


SpectrumWiki


Footnotes


5.233 Additional allocation: in China, the band 174-184 MHz is also allocated to the space research (space-to-Earth) and the space operation (space-to-Earth) services on a primary basis, subject to agreement obtained under No. 9.21. These services shall not cause harmful interference to, or claim protection from, existing or planned broadcasting stations.

5.235 Additional allocation: in Germany, Austria, Belgium, Denmark, Spain, Finland, France, Israel, Italy, Liechtenstein, Malta, Monaco, Norway, the Netherlands, the United Kingdom, Sweden and Switzerland, the band 174-223 MHz is also allocated to the land mobile service on a primary basis. However, the stations of the land mobile service shall not cause harmful interference to, or claim protection from, broadcasting stations, existing or planned, in countries other than those listed in this footnote.

5.237 Additional allocation: in Congo (Rep. of the), Egypt, Eritrea, Ethiopia, Gambia, Guinea, Libya, Mali, Sierra Leone, Somalia and Chad, the band 174-223 MHz is also allocated to the fixed and mobile services on a secondary basis. (WRC-12)

5.238 Additional allocation: in Bangladesh, India, Pakistan and the Philippines, the band 200-216 MHz is also allocated to the aeronautical radionavigation service on a primary basis.

5.240 Additional allocation: in China and India, the band 216-223 MHz is also allocated to the aeronautical radionavigation service on a primary basis and to the radiolocation service on a secondary basis.

5.241 In Region 2, no new stations in the radiolocation service may be authorized in the band 216-225 MHz. Stations authorized prior to 1 January 1990 may continue to operate on a secondary basis.

5.243 Additional allocation: in Somalia, the band 216-225 MHz is also allocated to the aeronautical radionavigation service on a primary basis, subject to not causing harmful interference to existing or planned broadcasting services in other countries.

5.245 Additional allocation: in Japan, the band 222-223 MHz is also allocated to the aeronautical radionavigation service on a primary basis and to the radiolocation service on a secondary basis.

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Television Broadcast
Amateur Radio (1.25 m Band)
218-219 MHz Service
Low Power Radio Service (LPRS)
Automated Maritime Telecommunications System (AMTS)
FCC Narrowbanding Mandate
Air Force Space Surveillance System
Television Band “White Space” Devices
Positive Train Control


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

Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 174 MHz 199.5 MHz 225 MHz
Wavelength 1.7 m 1.5 m 1.3 m
Band designator(s) VHF VHF VHF
Isotropic collecting area 2,362.3 cm2 1,797.0 cm2 1,412.8 cm2
Free space loss (1 m) 17.3 dB 18.4 dB 19.4 dB
Free space loss (1 km) 77.3 dB 78.4 dB 79.4 dB
Free space loss (10 km) 97.3 dB 98.4 dB 99.4 dB
Free space loss (100 km) 117.3 dB 118.4 dB 119.4 dB
Free space loss (1000 km) 137.3 dB 138.4 dB 139.4 dB
Free space loss
(35,786 km = GEO orbit)
168.3 dB 169.5 dB 170.5 dB
Free space loss (378,370 km = Moon) 188.8 dB 190.0 dB 191.0 dB