Committee on Radio Astronomy Frequencies

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


Definitions:

Radionavigation Service: A radiodetermination service for the purpose of radionavigation.

Radionavigation: Radiodetermination used for the purposes of navigation, including obstruction warning.



ITU-R Radio Regulations allocations for Region 1:

   9     -   14     kHz:	primary
  70     -   72     kHz:	primary FN: 5.60
  72     -   84     kHz:	primary FN: 5.60
  84     -   86     kHz:	primary FN: 5.60
  86     -   90     kHz:	primary FN: 5.56
  90     -  110     kHz:	primary FN: 5.62 5.63 5.64
 110     -  112     kHz:	primary FN: 5.64
 112     -  115     kHz:	primary FN: 5.60
 115     -  117.6   kHz:	primary FN: 5.60 5.64 5.66
 117.6   -  126     kHz:	primary FN: 5.60 5.64
 126     -  129     kHz:	primary FN: 5.60
 129     -  130     kHz:	primary FN: 5.60 5.64
 405     -  415     kHz:	primary FN: 5.72 5.76
2900     - 3100     MHz:	primary FN: 5.426
5460     - 5470     MHz:	primary FN: 5.449
  14     -   14.25  GHz:	primary FN: 5.504 5.505
  14.25  -   14.3   GHz:	primary FN: 5.504 5.505 5.508 5.509
  31.8   -   32     GHz:	primary FN: 5.547 5.547B 5.548
  32     -   32.3   GHz:	primary FN: 5.547 5.547C 5.548
  32.3   -   33     GHz:	primary FN: 5.547 5.547D 5.548
  33     -   33.4   GHz:	primary FN: 5.547 5.547E
  43.5   -   47     GHz:	primary FN: 5.554
  66     -   71     GHz:	primary FN: 5.554
  95     -  100     GHz:	primary FN: 5.149 5.554
 123     -  126     GHz:	primary FN: 5.554
 126     -  130     GHz:	primary FN: 5.149 5.554
 191.8   -  200     GHz:	primary FN: 5.149 5.341 5.554
 238     -  241     GHz:	primary
 252     -  265     GHz:	primary FN: 5.149 5.554


  • CRAF observes (potential) pressure to the Radio Astronomy Service in the frequency bands:


    Last modified: March 12, 2002