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 Italy:

Radio observatories operating in Italy are:

  • 322.0 -328.6 MHz

    This band is used by the Radio Observatories at Medicina and Sardinia:

    Radio astronomical quality of the band:

  • useless: observations not possible.

    Reason:

  • Fixed Service applications on the top of a hill within 10-20 km from the radio observatory.

  • 406.1 - 410.0 MHz

    This band is used by the Radio Observatories at Medicina and Sardinia:

    Radio astronomical quality of the band:

  • reasonable - degradation by occasional harmful interference.

    Reason:

  • Fixed Service applications.
  • Mobile Service applications.
  • Broadcasting Service applications: spurious emission (4th harmonic FM broadcast).

  • 608.0 - 614.0 GHz

    This band is used by the Radio Observatories at Medicina and Sardinia:

    Radio astronomical quality of the band:

  • useless: observations not possible.

    Reason:

  • Broadcasting Service applications.

  • 1330.0 - 1400.0 MHz

    This band is used by the Radio Observatories at Medicina, Noto and Sardinia:

    Radio astronomical quality of the band:

    Reason:

  • Broadcasting Service: spurious emission
  • Fixed Service: harmful interference from TV transfer links.
  • Fixed Service: digital communications.
  • Radiolocation Service applications.

    Reason:

  • Radiolocation Service applications. Note: a clear band for the Radio Astronomy Service by the end of 1996 had been promised by the Operators.

    Radio Observatories at Medicina and Sardinia:

  • 1400.0 - 1427.0 MHz

    This band is used by the Radio Observatories at Medicina, Noto and Sardinia:

    Radio astronomical quality of the band:

    Reason:

  • Broadcasting Service: spurious emission
  • Fixed Service: harmful interference from TV transfer links.
  • Fixed Service: digital communications.

  • 1610.6 - 1613.8 MHz

    This band is used by the Radio Observatories at Medicina and Sardinia:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Aeronautical Radionavigation Service applications.
  • Mobile Satellite Service applications.

  • 1660.0 - 1670.0 MHz

    This band is used by the Radio Observatories at Medicina, Noto and Sardinia:

    Radio astronomical quality of the band:

    Reason:

  • Fixed Service: harmful interference from radio links. Note: this problem is under discussion with the Italian administration.

  • 1718.8 - 1722.2 MHz

    This band is used by the Radio Observatories at Medicina, Noto and Sardinia:

    Radio astronomical quality of the band:

    Reason:

  • Fixed Service: harmful interference from radio links. Note: this problem is under discussion with the Italian administration.

  • 2655.0 - 2690.0 MHz

    This band is used by the Sardina Radio Observatory:

  • not available.

  • 2690.0 - 2700.0 MHz

    This band is used by the Sardina Radio Observatory:

  • not available.

  • 3260.0 - 3267.0 MHz

    This band is used by the Sardina Radio Observatory:

  • not available.

  • 3332.0 - 3339.0 MHz

    This band is used by the Sardina Radio Observatory:

  • not available.

  • 3345.8 - 3352.5 MHz

    This band is used by the Sardina Radio Observatory:

  • not available.

  • 4800.0 - 4990.0 MHz

    This band is used by the Radio Observatories at Medicina, Noto and Sardinia:

    Radio astronomical quality of the band:

  • 4990.0 - 5000.0 MHz

    This band is used by the Radio Observatories at Medicina, Noto and Sardinia:

    Radio astronomical quality of the band:

  • 6650.0 - 6675.2 MHz

    This band is used by the Sardina Radio Observatory:

  • not available.

  • 10.6 - 10.7 GHz

    This band is used by the Radio Observatories at Medicina and Sardinia:

    Radio astronomical quality of the band:

  • 15.35 - 15.40 GHz

    This band is used by the Radio Observatories at Medicina and Sardinia:

    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 Radio Observatories at Medicina, Noto and Sardinia:

    Radio astronomical quality of the band:

  • 22.21 - 22.50 GHz

    This band is used by the Radio Observatories at Medicina, Noto and Sardinia:

    Radio astronomical quality of the band:

  • 22.81 - 22.86 GHz

    This band is used by the Radio Observatories at Medicina and Sardinia:

    Radio astronomical quality of the band:

  • 23.07 - 23.12 GHz GHz

    This band is used by the Radio Observatories at Medicina and Sardinia:

    Radio astronomical quality of the band:

  • 23.6 - 24.0 GHz

    This band is used by the Radio Observatories at Medicina and Sardinia:

    Radio astronomical quality of the band:

  • 31.2 - 31.8 GHz

    This band is used by the Sardina Radio Observatory:

    Radio astronomical quality of the band:

  • not available.

  • 36.43 - 36.5 GHz

    This band is used by the Sardina Radio Observatory:

    Radio astronomical quality of the band:

  • not available.

  • 42.5 - 43.5 GHz

    This band is used by the Radio Observatories at Medicina and Sardinia:

    Radio astronomical quality of the band:

  • 47.2 - 50.2 GHz

    This band is used by the Sardina Radio Observatory:

    Radio astronomical quality of the band:

  • not available.

  • 76.0 - 77.5 GHz

    This band is used by the Sardina Radio Observatory:

    Radio astronomical quality of the band:

  • not available.

  • 77.5 - 78 GHz

    This band is used by the Sardina Radio Observatory:

    Radio astronomical quality of the band:

  • not available.

  • 78 - 79 GHz

    This band is used by the Sardina Radio Observatory:

    Radio astronomical quality of the band:

  • not available.

  • 79 - 81 GHz

    This band is used by the Sardina Radio Observatory:

    Radio astronomical quality of the band:

  • not available.

  • 81 - 84 GHz

    This band is used by the Sardina Radio Observatory:

    Radio astronomical quality of the band:

  • not available.

  • 84 - 86 GHz

    This band is used by the Sardina Radio Observatory:

    Radio astronomical quality of the band:

  • not available.

  • 86 - 92 GHz

    This band is used by the Sardina Radio Observatory:

    Radio astronomical quality of the band:

  • not available.

  • 92.0 - 94.0 GHz

    This band is used by the Sardina Radio Observatory:

    Radio astronomical quality of the band:

  • not available.

  • 94.0 - 94.1 GHz

    This band is used by the Sardina Radio Observatory:

    Radio astronomical quality of the band:

  • not available.

  • 94.1 - 95.0 GHz

    This band is used by the Sardina Radio Observatory:

    Radio astronomical quality of the band:

  • not available.

  • 95.0 - 100.0 GHz

    This band is used by the Sardina Radio Observatory:

    Radio astronomical quality of the band:

  • not available.

    Other frequency bands used by the Radio Observatories at Medicina, Noto and Sardinia :

  • 2290.0 - 2300.0 MHz

  • 8387.0 - 8443.0 MHz

    Last modified: February 16, 2005