Committee on Radio Astronomy Frequencies

The Committee on Radio Astronomy Frequencies (CRAF) is a committee of the European Science Foundation (ESF).

Definition:

Meteorological Aids Service: A radiocommunication service used for meteorological, including hydrological, observations and exploration.

• ITU-R Radio Regulations allocations for Region 1
• Potential pressure to the Radio Astronomy Service

ITU-R Radio Regulations allocations for Region 1:

2025     - 2045     MHz:	secondary No: 5.92 5.103 5.104
  27.5   -   28     MHz:	primary
 153     -  154     MHz:	secondary
 400.15  -  401     MHz:	primary No: 5.262 5.264
 401     -  402     MHz:	primary
 402     -  403     MHz:	primary
 403     -  406     MHz:	primary
1668.4   - 1670     MHz:	primary No: 5.149 5.341 5.379 5.379B 5.379C 5.379D
1670     - 1675     MHz:	primary No: 5.341 5.379B 5.379D 5.379E 5.380A
1675     - 1690     MHz:	primary No: 5.341
1690     - 1700     MHz:	primary No: 5.289 5.341 5.382
  35.2   -   35.5   GHz:	primary No: 5.549
  35.5   -   36     GHz:	primary No: 5.549 5.549A 5.551A