Aeronautical mobile-satellite (R)° service (short: AMS(R)S; | also: ''aeronautical mobile-satellite (R) radiocommunication service'') is – according to ''Article 1.36'' 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 «''An

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 ...

reserved for communications relating to safety and regularity of flights, primarily along national or international civil

air route The atmosphere of Earth is the layer of gases, known collectively as air, retained by Earth's gravity that surrounds the planet and forms its planetary atmosphere. The atmosphere of Earth protects life on Earth by creating pressure allowing for ...

s''.» ;See also:

Classification

This ''radiocommunication service'' is classified in accordance with ''ITU Radio Regulations'' (article 1) 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 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 (RR) – defined as "A mobile service b ...

(article 1.32) **

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 *** 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 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 ; 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 ...

References / sources

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