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

Classification

The

ITU Radio Regulations The ITU Radio Regulations (short: RR) is a basic document of the International Telecommunication Union (ITU) that regulates on law of nations scale radiocommunication services and the utilisation of radio frequencies. It is the supplementation ...

(article 1) classify variations of this radiocommunication service as follows:
Fixed service * Fixed-satellite service (article 1.21);

Fixed station Fixed station (also. fixed radio station) is a station in the fixed service.ITU Radio Regulations, Section IV. Radio Stations and Systems – Article 1.66, definition: ''fixed station / fixed radio station'' Each ''station'' is classified by the ...

(article 1.66) *

Inter-satellite service Inter-satellite service (also: inter-satellite radiocommunication service) is – according to ''Article 1.22'' of the International Telecommunication Union's (ITU) Radio Regulations (RR)ITU Radio Regulations, Section IV. Radio Stations and Sys ...

(article 1.22) *

Earth exploration-satellite service An Earth observation satellite or Earth remote sensing satellite is a satellite used or designed for Earth observation (EO) from orbit, including spy satellites and similar ones intended for non-military uses such as environmental monitoring, me ...

(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 A diplomatic mission or foreign mission is a group of people from a state or organization present in another state to represent the sending state or organization officially in the receiving or host state. In practice, the phrase usually deno ...

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).''ITU Radio Regulations, CHAPTER II – Frequencies, ARTICLE 5 Frequency allocations, Section IV – Table of Frequency Allocations'' 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

International Telecommunication Union (ITU)
* ''Earth exploration-satellite service.'' ITU, Genf 2011. {{Radiocommunication services ITU Radiocommunication services ITU