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Fixed service

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Fixed service

In telecommunications, a fixed service (or fixed radiocommunication service) is a radiocommunication service between specified fixed points.

Contents

Classification

The ITU Radio Regulations (article 1) classify variations of this radiocommunication service as follows:
Fixed service

  • Fixed-satellite service (article 1.21); Fixed station (article 1.66)
  • Inter-satellite service (article 1.22)
  • Earth exploration-satellite service (article 1.51)
  • Meteorological-satellite service (article 1.52)

    • Examples

    In line with national regulations there are numerous radio applications in accordance with ITU RR article 1.20 on fixed services. These include:

  • Radio relay
  • Troposcatter radiocommunication
  • Embassy radiocommunication, between fixed point
  • Fixed wireless

    • Frequency allocation

    The allocation of radio frequencies is provided according to Article 5 of the ITU Radio Regulations (edition 2012).

    In order to improve harmonisation in spectrum utilisation, the majority of service-allocations stipulated in this document were incorporated in national Tables of Frequency Allocations and Utilisations which is with-in the responsibility of the appropriate national administration. The allocation might be primary, secondary, exclusive, and shared.

  • primary allocation: is indicated by writing in capital letters (see example below)
  • secondary allocation: is indicated by small letters
  • exclusive or shared utilization: is within the responsibility of administrations

    • However, military usage, in bands where there is civil usage, will be in accordance with the ITU Radio Regulations. In NATO countries military fixed utilizations will be in accordance with NATO Joint Civil/Military Frequency Agreement (NJFA).

    An example of frequency allocation in the 8.3–110 kHz range would be:

    References

    Fixed service Wikipedia
    (Text) CC BY-SA