Thanks Mal,
Using https://srt.glpconnect.com:2044/osat/ I am **very** disappointed
in the satellite availability. :-( :-(
PeterS
Mal Bruce wrote:
The Globalstar network is crap.
https://srt.glpconnect.com:2044/osat/
The Globalstar Network comprises 40 satellites operating at 1400km
altitude, and a ground gateway infrastructure.
The satellites are organised into 8 orbital planes with 5 satellites
per plane. The orbital planes are inclined to the equator at 56
degrees which provides an approximate coverage within the latitudes 70
degrees North to 70 degrees South when ever there is co-visibility
with a ground gateway.
The Globalstar Network does not perform satellite to satellite
cross-link switching and so ground connection in Australia is by 3
gateways operated by Pivotel. Outside of Australia there is a network
of Globalstar partners who operate gateways that provide international
roaming coverage.
The Iridium Network comprises 66 satellites operating at 780km
altitude, and the ground gateway infrastructure.
The satellites are organised into 6 orbital planes with 11 satellites
per plane. This ensures that each location on the globe is covered by
at least one satellite at any one time. The satellites spin around the
earth at over 26,000km/h or circle the earth every 100 minutes, and
the orbital planes go over the poles.
Each satellite is connected to four other satellites in the network.
The two adjacent satellites in the same plane and two satellites in
the planes either side. Through this cross-linking the satellites can
route calls from satellite to satellite until it reaches one in view
of the ground gateway. The ground gateway then connects the call to
the Pivotel switching infrastructure.
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