Английская Википедия:Inmarsat-3 F4

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Шаблон:Short description Шаблон:Use British English Шаблон:Use dmy dates Шаблон:Infobox spaceflight

Inmarsat-3 F4 is a communications satellite operated by the British satellite operator Inmarsat. It was launched into a geosynchronous orbit on 4 June 1997. It was located at 54° West longitude whilst in service, providing coverage of the Americas as Atlantic Ocean Region-West (AOR-W). It was replaced by Inmarsat-3 F5 at 54° West in February 2016, and the now retired Inmarsat-3 F4 was moved to parking at 144° West.[1][2]

Inmarsat-3 F4 was constructed by Lockheed-Martin, using an AS-4000 satellite bus. It has a mass of Шаблон:Cvt, and is expected to operate for 13 years.[3]

In the United States, Inmarsat ground stations are licensed to operate at 1525-1559 MHz and 1626.5-1660.5 MHz via a mechanism called the ISAT List. The 1544-1545 MHz and 1645.5-1646.5 MHz bands are reserved for safety and distress communications.[4]

See also

Шаблон:Portal

References

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External links

Шаблон:Orbital launches in 1997