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Microcap & Penny Stocks : Globalstar Telecommunications Limited GSAT
GSAT 48.24-5.6%3:59 PM EST
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To: Maurice Winn who wrote (31)10/9/1997 3:28:00 PM
From: stealthy   of 29986
 
Relax Folks !!!

This power management issue is just another interesting aspect/consideration of system design ;

IT IS NOT!!!!! -- a lingering "Show-Stopper" for the stock !!!

This had to be dealt with when the original design concept was developed; It's a fundamental power management issue which the EXPERTS at Loral, Qualcomm, etc. have NOT overlooked; The satellite control stations will have very flexible management control over the communication traffic power allocations for every bird;

Certainly, the total power available at any given time is finite;
And that is a function of the solar power design, orbit geometry, traffic loading, etc.; But keep in mind that each of the separate orbital planes will each have a different "exposure duty cycle" to the sun at any given point in time;

NOTE: Each of the individual orbital plane sun exposures will vary , & some will vary significantly:

* The "worse case" which Maurice mentioned, is when the edge of the orbit plane is pointing directly toward the sun (i.e. about 50% light / 50% darkness);

* But at the other end of the range, some planes will have virtually 100% sun exposure when that plane edge is oriented nearly perpendicular to the sun's rays;

Bottom line :
-------------
* These are NOT NEW issues for the satellite design experts who are building the system; They are fundamental !!;

* Power management will be conducted from the ground control centers with a view toward optimizing revenue as a function of user concentrations, along with other considerations; If this means turning the power down or off when the bird is passing over barron ocean regions, to conserve power, then that will be done; This can be a software driven control where algorithm parameters are adjusted virtually on a continuous basis, as appropriate;

* Whether the "power auction" approach could be another level of optimization which could be overlayed upon the basic power allocation/control scheme is an entirely separate question which would require network computer simulation to fully evaluate ;

Hope this is helpfull --

Stealthy

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