Bus AS-4000 Launch date 4 June 1997 Launch mass 2,068 kg Operator Inmarsat | Longitude 54° West Launch mass 2,068 kg Manufacturer Lockheed Martin | |
Similar TDRS‑9, TDRS‑10, TDRS‑6, TDRS‑3, TDRS‑7 | ||
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.
Inmarsat-3 F4 was constructed by Lockheed-Martin, using an AS-4000 bus. It has a mass of 2,068 kilograms, and is expected to operate for 13 years.
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.
References
Inmarsat-3 F4 Wikipedia(Text) CC BY-SA