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 Russia:

Radio observatories operating in Russia:

In Russia all frequency bands below 150 GHz allocated to the Radio Astronomy Service are used by radio astronomy observatories in Russia. In addition some frequency bands are used for a long time according to local notifications. Several bands used for Very Long Baseline Interferometry, VLBI, have national notifications.

  • 37.5 - 38.25 MHz

    This band is used by the Pushchino Radio Observatory:

    Radio astronomical quality of the band:

  • bad: often severe degradation by harmful interference.

    Reason:

  • Broadcasting Service applications.
  • Fixed Service applications.
  • Mobile Service applications.

  • 73.0 - 74.6 MHz

    This band is used by the Pushchino Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Mobile Service applications.

  • 150.05 - 153 MHz

    This band is used by the radio observatories at Pushchino and Zimenki :

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

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

  • 322.0 - 328.6 MHz

    This band is used by the radio observatories at Pushchino and Zimenki:

    Radio astronomical quality of the band:

  • bad: often severe degradation by harmful interference.

    Reason:

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

  • 406.1 - 410.0 MHz

    This band is used by the Zimenki Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Mobile Service applications.

  • 608.0 - 614.0 GHz

    This band is used by the radio observatories at Kalyazin and Zimenki:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Broadcasting Service applications.

  • 1330.0 - 1400.0 MHz

    This band is used by the radio observatories at Zelenchukskaya and Zimenki:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Aeronautical Radionavigation Service applications.
  • Radiolocation Service applications.

  • 1400.0 - 1427.0 MHz

    This band is used by the radio observatories at Kalyazin, Pushchino, Zelenchukskaya and Zimenki:

    Radio astronomical quality of the band:

  • reasonable.

    Reason: unwanted emission from satellite communications.

  • 1610.6 - 1613.8 MHz

    This band is used by the radio observatories at Kalyazin, Pushchino, Zelenchukskaya and Zimenki:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

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

  • 1660.0 - 1670.0 MHz

    This band is used by the radio observatories at Kalyazin, Pushchino, Zelenchukskaya and Zimenki:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

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

  • 1718.8 - 1722.2 MHz

    This band is used by the Zimenki Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Mobile Service applications.

  • 2655.0 - 2690.0 MHz

    This band is used by the radio observatories at Kalyazin, Pushchino, Zelenchukskaya and Zimenki:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

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

  • 2690.0 - 2700.0 MHz

    This band is used by the radio observatories at Kalyazin, Pushchino and Zelenchukskaya:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

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

  • 3260.0 - 3267.0 MHz

    This band is used by the radio observatories at Pushchino and Zelenchukskaya:

    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 Zelenchukskaya 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 radio observatories at Pushchino and Zelenchukskaya:

    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 radio observatories at Kalyazin, Pushchino and Zelenchukskaya:

    Radio astronomical quality of the band:

  • good.

  • 4990.0 - 5000.0 MHz

    This band is used by the radio observatories at Kalyazin, Pushchino and Zelenchukskaya:

    Radio astronomical quality of the band:

  • good.

  • 10.6 - 10.7 GHz

    This band is used by the radio observatories at Badari, Kalyazin, Pushchino, Svetloe and Zelenchukskaya:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Fixed Satellite Service.

  • 14.47 - 14.50 GHz

    This band is used by the radio observatories at Badari, Kalyazin, Pushchino, Svetloe and Zelenchukskaya:

    Radio astronomical quality of the band:

  • reasonable.

    Reason:

  • Fixed Satellite Service applications.

  • 15.35 - 15.40 GHz

    This band is used by the radio observatories at Badari, Kalyazin, Pushchino, Svetloe and Zelenchukskaya:

    Radio astronomical quality of the band:

  • reasonable.

    Reason:

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

  • 22.21 - 22.50 GHz

    This band is used by the radio observatories at Dmitrov, Kalyazin, Pushchino and Zelenchukskaya:

    Radio astronomical quality of the band:

  • good.

  • 23.60 - 24.00 GHz

    This band is used by the Dmitrov Radio Observatory:

  • Information not yet available.

  • 31.2 - 31.8 GHz

    This band is used by the Dmitrov Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable.

    Reason:

  • Radionavigation Service applications.

  • 36.43 - 36.5 GHz

    This band is used by the Pushchino Radio Observatory:

    Radio astronomical quality of the band:

  • reasonable: often severe degradation by harmful interference.

    Reason:

  • Fixed Service applications.
  • Radiolocation Service applications.

  • 42.5 - 43.5 GHz

    This band is used by the Dmitrov 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.

  • 86.0 - 92.0 GHz

    This band is used by the Dmitrov Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 141 - 148.5 GHz

    This band is used by the Dmitrov Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 148.5 - 151.5 GHz

    This band is used by the Dmitrov Radio Observatory:

    Radio astronomical quality of the band:

  • good.

  • 151.5 - 154.0 GHz

    This band is used by the Dmitrov Radio Observatory:

    Radio astronomical quality of the band:

  • good.

    Radio astronomical quality of the other bands used:

  • Further information not yet available.

    Other bands used by the Radio Astronomy Service in Russia:

    by the Badary Radio Observatory:

  • 5.67 - 5.79 GHz

    by the Pushchino Radio Observatory:

  • 109 - 113 MHz
  • 35 - 37 GHz

    by the Zelenchukskaya Radio Observatory:

  • 36.7 - 37.3 GHz

    By the radio observatories at Badari, Zelenchukskaya and Svetloe:

  • 1.4 - 1.8 GHz
  • 2.12 - 2.62 GHz
  • 4.6 - 5.0 GHz
  • 8.2 - 8.7 GHz
  • 22.085 - 22.385 GHz

    The following radio astronomy stations take part in Very Long Baseline Interferometry:

  • Pushchino Radio Observatory:
    Frequencies used:
    0.315 - 0.335 GHz
    1.645 - 1.695 GHz
    4.805 - 4.855 GHz
    22.195 - 22.245 GHz

  • Kalyazin Radio Observatory:
    Frequencies used:
    1.385 - 1.435 GHz
    2.075 - 2.325 GHz
    4.805 - 4.855 GHz
    7.80 - 8.7 GHz

  • Medveziy Ozera Radio Observatory:
    Frequencies used:
    0.315 - 0.335 GHz
    1.645 - 1.695 GHz
    5.000 - 5.020 GHz

  • Zimenki Radio Observatory:
    2.64 - 2.655 GHz

    Last modified: June 15, 2002