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Multi-Link Iridium Satellite Data Communication System for Polar Research - page 3 / 29

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University of Kansas

3

Satellite Data Communication

Commercial Satellite systems

No coverage or intermittent coverage

Prohibitively expensive ($3 - $30 per MB)

Special Purpose Satellite systems

ATS3, LES9, GOES, TDRS 1,and MARISAT2

Broadband Access

Geo-synchronous : Limited visibility (10-13 hrs/day)

Low elevation angles : extremely large ground terminals

Inmarsat

Globalstar

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