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Satellite Communications. Inmarsat Iridium Globalstar & Spot Thuraya Orbcomm Images from http://www.gtc-usa.com/satphone/. INMARSAT Global Coverage Uplink1626.5 - 1660.5 MHz Downlink 1525.0 - 1559.0 MHz 3 Sats High Earth Orbit. Iridium Global Coverage 1618.85 to 1626.5 MHz band
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Satellite Communications • Inmarsat • Iridium • Globalstar & Spot • Thuraya • Orbcomm Images from http://www.gtc-usa.com/satphone/
INMARSAT Global Coverage Uplink1626.5 - 1660.5 MHz Downlink 1525.0 - 1559.0 MHz 3 Sats High Earth Orbit
Iridium Global Coverage 1618.85 to 1626.5 MHz band 66 Sats in low earth orbit
GLOBALSTAR (SPOT below) Partial Coverage as shown 52 sats in low earth orbit 1610-1610.6 MHz
THURAYA 2 satellites 1626.5-1660.5 MHz
ORBCOMM29 Low Earth Orbit Satellites 137 to 150 MHz Data only services