Aeronautical Mobile Service
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Aeronautical mobile service (short: AMS; also: aeronautical mobile radiocommunication service') is – according to ''Article 1.32'' of the International Telecommunication Union's (ITU)
Radio Regulations Radio regulation refers to the regulation and licensing of radio in international law, by individual governments, and by municipalities. International regulation The International Telecommunication Union (ITU) is a specialized agency of the Unit ...
(RR) – defined as "A
mobile service Mobile service is – in line to ITU Radio Regulations – a radiocommunication service between mobile and land stations, or between mobile stations (CV). Classification In accordance with ''ITU Radio Regulations'' (article 1) variations of this ...
between aeronautical stations and
aircraft station An aircraft station (also aircraft radio station) is – according to ''Article 1.83'' of the International Telecommunication Union, International Telecommunication Union's (ITU) ITU Radio Regulations (RR)ITU Radio Regulations, Section IV. Radio St ...
s, or between aircraft stations, in which survival craft stations may participate;
emergency position-indicating radiobeacon station An Emergency Position-Indicating Radio Beacon (EPIRB) is a type of emergency locator beacon for commercial and recreational boats, a portable, battery-powered radio transmitter used in emergencies to locate boaters in distress and in need of i ...
s may also participate in this service on designated distress and emergency frequencies."


Classification

Variations of this radiocommunication service in line to the ITU Radio Regulations article 1 are as follows :
Mobile service Mobile service is – in line to ITU Radio Regulations – a radiocommunication service between mobile and land stations, or between mobile stations (CV). Classification In accordance with ''ITU Radio Regulations'' (article 1) variations of this ...
(article 1.24) *Aeronautical mobile service (article 1.32) ** Aeronautical mobile (R)° service (article 1.33) ** Aeronautical mobile (OR)°° service (article 1.34) **
Aeronautical mobile-satellite service Aeronautical mobile-satellite service (short: AMSS;  | also: ''aeronautical mobile-satellite radiocommunication service'') is – according to ''Article 1.35'' of the International Telecommunication Union's (ITU) Radio Regulations (RR ...
(article 1.35) *** Aeronautical mobile-satellite (R)° service (article 1.36) *** Aeronautical mobile-satellite (OR)°° service (article 1.37) (R)° = abbreviation to route flights (route)
(OR)°° = abbreviation to flights others than on routes (off-route)


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 within 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 utilizations will be in accordance with the NATO Joint Civil/Military Frequency Agreement (NJFA). ; Example of
frequency allocation Frequency allocation (or spectrum allocation or spectrum management) is the allocation and regulation of the electromagnetic spectrum into radio frequency bands, normally done by governments in most countries. Because radio propagation does no ...
:


See also

*
Radio station Radio broadcasting is transmission of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-based radio ...
*
Radiocommunication service Radio communication service or radiocommunication service is according to Article 1.19 of the International Telecommunication Union's Radio Regulations (ITU RR),ITU Radio Regulations, Section III – Radio services, Article 1.19, definition: Ra ...


Sources


International Telecommunication Union (ITU)
Airbands Mobile services ITU {{radio-comm-stub