Background Info
• Poles are unique
– No geostationary satellite is visible from poles
– Can use inclined geosynchronous satellites
– Reliance on older, shared or cast-off satellites
– Periodic connection times
• At CARA’s beginning (1991)
– 2 satellites available (1200-2400 baud)
– 2.6MB/day total throughput
– No Internet connection
– Batch files only
– ~6 hours contact time