Ship earth station (also: ship earth radio station) is – according to ''Article 1.78'' of the International Telecommunication Union's (ITU)

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 t ...

(RR)ITU Radio Regulations, Section IV. Radio Stations and Systems – Article 1.78, definition: ''ship earth station / ship earth radio station'' – defined as «''A mobile earth station in the

maritime mobile-satellite service Maritime mobile-satellite service (MMSS, or maritime mobile-satellite radiocommunication service) is – according to Article 1.29 of the International Telecommunication Union's Radio Regulations (RR) – "A mobile-satellite service in which mobil ...

located on board ship''.» The ITU regulation requires that each

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 radi ...

be classified according to the ''service'' in which it operates permanently or temporarily. Ship earth stations can provide a variety of

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 ...

s including crew calling.

Classification

In accordance with ''ITU Radio Regulations'' (article 1) this type of ''radio station'' might be classified as follows:

Earth station A ground station, Earth station, or Earth terminal is a terrestrial radio station designed for extraplanetary telecommunication with spacecraft (constituting part of the ground segment of the spacecraft system), or reception of radio waves fr ...

(article 1.63) * Mobile earth station (article 1.68) of the

mobile-satellite service Mobile-satellite service (MSS, or mobile-satellite radiocommunication service) is – according to Article 1.25 of the International Telecommunication Union's Radio Regulations – "A radiocommunication service * between mobile earth stations and ...

(article 1.25) * Land earth station (article 1.70) of the

fixed-satellite service Fixed-satellite service (short: FSS | also: fixed-satellite radiocommunication service) is – according to ''article 1.21'' of the International Telecommunication Union's (ITU) Radio Regulations (RR) – defined as ''A radiocommunication se ...

(article 1.21) or mobile-satellite service ** Land mobile earth station (article 1.74) of the land mobile-satellite service (article 1.27) * Base earth station (article 1.72) of the fixed-satellite service * Coast earth station (article 1.76) of the fixed-satellite service / mobile-satellite service *Ship earth station * Aeronautical earth station (article 1.82) of the fixed-satellite service /

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) * Aircraft earth station (article 1.84) of the ''aeronautical mobile-satellite service''

References / sources

International Telecommunication Union (ITU)
{{Radio station ITU Radio stations and systems ITU Maritime communication