|Launch mass||2,068 kilograms (4,559 lb)|
|Start of mission|
|Launch date||4 June 1997|
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 is currently located at 54° West longitude, providing coverage of the Americas.
In the United States, Inmarsat ground stations are licensed to operate at 1525-1559 MHz and 1626.5-1660.5 MHz. The 1544-1545 MHz and 1645.5-1646.5 MHz bands are reserved for safety and distress communications.
- Our Satellites - Inmarsat
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