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TU Satellite 1
Communications Satellite

TU SAT 1 -> News -> TU SAT 1 vs. Iridium



TU Sat 1
, to be launched in 2002, will be a world-wide low-cost e-mail communications satellite.


Iridium
, launched in 1998, was the first world-wide commercial satellite communications network.
Number of Satellites: 1

Height of Orbit: 650 km

Transmission Rate: 115 kbps

Cost of System: $130,000

Number of Satellites: 66

Height of Orbit: 780 km

Transmission Rate: 2.4 kbps

Cost of System: $5 Billion