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Microcap & Penny Stocks : Globalstar Telecommunications Limited GSAT -- Ignore unavailable to you. Want to Upgrade?


To: Carter Patterson who wrote (11307)3/27/2000 2:06:00 PM
From: John Stichnoth  Respond to of 29986
 
re: why the phone would not work in Sat
mode in virtually any part of the world.


I believe it is a software-based solution, done on the ground. The sats can tell where the caller is, based on GPS. The actual location is mapped to "permitted" locations.

Maybe someone else can confirm my understanding.

Best,
John



To: Carter Patterson who wrote (11307)3/27/2000 2:08:00 PM
From: Pierre  Respond to of 29986
 
I have a hard time understanding why the phone would not work in Sat mode in virtually any part of the world. Do the satellites stop transmitting receiving when they are over an unlicensed territory?

Two separate issues.

1. Since satellites can't talk to one another, the satellite that sees you phone must also see a gateway. If no visible (to the satellite) gateway in your region, no connection.

2. The GPS capabilities of the phone let the system know where you are whenever you connect. If it detects that you are in an area (+- 3 km, I believe) not yet licensed, the G* gateway software refuses to complete the call.

Agree the standby time of a sat phone given anticipated usage is not an apples to apples comparison with a cell phone. The analysis offered by Tero seems to me to be handset-centric. Given that, the limitations of a sat vs cell handset loom large. Focusing on those shortcomings tends to cloud (IMHO) the most important issue, G* handsets work where no others will.

Pierre