Committee on Radio Astronomy Frequencies

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

Status of interference problems in Sweden:

Radio observatories operating in Sweden:

  • 1330.0 - 1400.0 MHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Aeronautical Radionavigation Service applications.
  • Fixed Service applications.
  • Mobile Service applications.
  • Radiolocation Service applications.

  • 1400.0 - 1427.0 MHz

    This band is used by the Onsala Radio Observatory :

    Radio astronomical quality of the band:

  • good.

  • 1610.6 - 1613.8 MHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Aeronautical Radionavigation Service applications.
  • Mobile-Satellite Service applications.
  • Radiolocation Service applications (see FN 5.363).

  • 1660.0 - 1670.0 MHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Land Mobile-Satellite Service applications.
  • Meteorological Aids Service applications.
  • Mobile Service applications.

  • 1718.8 - 1722.2 MHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Mobile Service applications.

  • 3260.0 - 3267.0 MHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Radiolocation Service applications.

  • 3332.0 - 3339.0 MHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Radiolocation Service applications.

  • 3345.8 - 3352.5 MHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Radiolocation Service applications.

  • 4800.0 - 4990.0 MHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Fixed-Satellite Service applications.
  • Mobile Service applications.

  • 4990.0 - 5000.0 MHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Mobile Service applications.

  • 6650.0 - 6675.2 MHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Fixed-Satellite Service applications.
  • Mobile Service applications.

  • 10.6 - 10.7 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable.

    Reason:

  • Fixed Service applications.
  • Fixed-Satellite Service applications.
  • Mobile Service applications.
  • Radiolocation Service applications.

  • 15.35 - 15.40 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable.

    Reason:

  • Fixed Service applications.
  • Fixed Satellite Service applications.
  • Mobile Service applications.

  • 22.01 - 22.21 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Mobile Service applications.

  • 22.21 - 22.50 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Mobile Service applications.

  • 22.81 - 22.86 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Inter-Satellite Service applications.
  • Mobile Service applications.

  • 23.07 - 23.12 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Inter-Satellite Service applications.
  • Mobile Service applications.

  • 23.60 - 24.00 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Mobile Service applications.

  • 31.2 - 31.8 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Mobile Service applications.

  • 36.43 - 36.5 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Mobile Service applications.

  • 42.5 - 43.5 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good, but pressure by active spectrum applications giving rise to threat of severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Fixed-Satellite Service applications.
  • Mobile Service applications..

  • 47.2 - 50.2 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: but pressure by active spectrum applications giving rise to threat of severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Fixed-Satellite Service applications.
  • Mobile Service applications.

  • 76.0 - 77.5 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 77.5 - 78 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 78 - 79 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 79 - 81 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 81 - 84 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 84 - 86 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 86 - 92 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 92.0 - 94.0 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 94.0 - 94.1 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 94.1 - 95.0 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 95.0 - 100.0 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 100.0 - 102.0 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 102.0 - 105.0 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 105.0 - 109.5 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 109.5 - 111.8 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 111.8 - 114.25 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 114.25 - 116 GHz

    This band is used by the Onsala Radio Observatory:

    Radio astronomical quality of the band:

  • good.

    Other frequency bands used by the Radio Astronomy Service in Sweden:

  • 2180 - 2370 MHz
  • 8190 - 8930 MHz

    Frequency bands used by the European Incoherent Scatter Scientific Association, EISCAT in Kiruna:

  • 222 - 226 MHz
  • 485 - 515 MHz
  • 927 - 935 MHz

    Last modified: February 16, 2005