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To: Carl Yee who wrote (9301)6/1/1999 9:21:00 PM
From: Mad2  Read Replies (1) | Respond to of 18998
 
Dear Marconi and Carl Lee

Follows should answer your question

Best Regards, Mad2

Copyright 1998 Phillips Business Information, Inc.
TELECOMS STANDARDS & APPROVALS REVIEW

October 1, 1998

SECTION: Vol. 3, No. 11

LENGTH: 1273 words

HEADLINE:
Miscellany

BODY:

Satellite services delayed
The opening of the first global mobile phone service, scheduled
for September, has been delayed due to 'technical problems'. The
revised opening date, announced by Iridium, the system operator, is 1
November. The company claims that it has received some 400, 000
enquiries from potential customers. Handsets are being supplied by
Motorola and Kyocera, a Japanese manufacturer.
The handsets have been awarded the GMPCS-MOU Registry Mark by
the ITU. The GMPCS-MOU is an international framework, to which more
than 100 organisations are signatories, designed to promote the
introduction of GMPCS (Global Mobile Personal Communications by
Satellite) (see TSAR Vol. 2 No. 2, November 1996 and Vol. 2 No. 10,
July/August 1997). The Mark is intended to ensure the goal of
unrestricted circulation of GMPCS terminals across international
borders. The Mark indicates that the handset and the GMPCS system
comply with the GMPCS-MOU implementation arrangements.
The Iridium system already has 66 operational satellites in
orbit at a height of some 500 miles and several others have been
launched to provide a set of 'spares' which can be manoeuvred into
position if required to replace a faulty satellite. Planning is based
upon a failure rate of six per year and a five-year life for the
satellites.
Meanwhile the rival Globalstar system, scheduled to open in late
1999, received a major setback when it lost 12 of its satellites due
to a launch rocket failure.
A third rival system, operated by ICO, is scheduled to open in
2000.



To: Carl Yee who wrote (9301)6/1/1999 9:25:00 PM
From: Mad2  Respond to of 18998
 
Here's some more recent information (exercpts as entire copy is too lengthy) on the issues of satelite life

Copyright 1999 Federal Information Systems Corporation
Federal News Service

View Related Topics

APRIL 7, 1999, WEDNESDAY

SECTION: MAJOR LEADER SPECIAL TRANSCRIPT

LENGTH: 6463 words

HEADLINE: SPACE TECHNOLOGY DEVELOPMENT CORPORATION (STDC)
NEMO SATELLITE PRESS CONFERENCE
PARTICIPANTS:
LLOYD PRESLAR, VICE PRESIDENT, STDC
PAUL SETZE, CEO AND CHAIRMAN, STDC
BRUCE BERKOWITZ, PRESIDENT, STDC
TOM WILSON, NAVAL RESEARCH LAB, PROJECT MANAGER, NEMO
NATIONAL PRESS CLUB OF WASHINGTON, D.C.
LISAGOR ROOM
8:30 AM EST

BODY:
MR. PRESLAR: Well, first I should say that our plan is to launch a new satellite about every 30 months. NEMO 2, if you will, will be different, but the difference in the sensing and the kind of imagery will be dependent upon technology. You can conceive all kinds of combinations of sensors that might come along.
QUESTION: Same bus?
MR. PRESLAR: Conceivably. Bruce mentioned what he calls a model of buying an off-the-shelf bus and fixing it. Buying something off the shelf, or off an assembly and changing it into a remote sensing satellite. We would hope or expect to do that for our second satellite. And that could be a Globalstar type, it could be an Iridium type, it could be some other sort of off- the-shelf satellite. We think, and I think the industry thinks, and you all know this perhaps better than we, but the time has come in which the satellite, or the bus, is sort of a standard item. And what you put in it and what you do with it is the new frontier.
QUESTION: In your Globalstar discussion, it's a single satellite, and it would be accurate to say you're not wedded to Globalstar for anything else, is that right?
MR. PRESLAR: That's correct.

MR. SETZE: Well, we certainly don't preclude using a Globalstar for the next one.
MR. PRESLAR: That would depend on their interest, ours, the capabilities a few months or a year from now, how much power we will need for our new sensor, how much power they or another satellite could make available. But, we think this model of using something off the shelf as your basic bus is a good one, not only for us but also for others.
QUESTION: Is the 30 months, is that the expected life of your power supply?
MR. SETZE: No, NEMO should have a five-year life. So after the second satellite is launched, we would expect to have two operating satellites in orbit at all times. In other words, the second will go up in 30 months; the third one will go up essentially five years after the first NEMO launch. So it would be two on orbit, and so on. For the most part, we think that's about how much time we would need.