Ringing the Earth

1995-09-20T00:00:00

TEN HUGHES HS-601 Inmarsat P satellites will ring the Earth with worldwide blanket-coverage mobile-communications services in 1999. The HS-601s are being built under a $1.3 billion contract, with a first launch due for 1998. The operational system requires two planes of five satellites, each in intermediate circular 10,400km orbits. Each ...

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