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Re: Satellite-to-Satellite communications



No intersatellite communications is planned. Intersatellite links would
require just as much power as the satellite-to-ground links. The satellite
would also have to be 3-axis stabilized to point the intersatellite
antennas. The additional power and fuel would double or triple the weight
and launch cost. The majority of AMSAT membership has been very clear that
it wants simpler, cheaper HEO satellites so that more can be launched.

When 2 or more HEO satellites are in orbit, Earth-based intersatellite links
will be possible at a fraction of the cost of space-based links.

73,

John
KD6OZH

----- Original Message -----
From: "Christensen, Eric" <CHRISTENSENE@MAIL.ECU.EDU>
To: <amsat-bb@amsat.org>
Sent: Sunday, January 08, 2006 18:05 UTC
Subject: [amsat-bb] Satellite-to-Satellite communications


> I was sitting here reading the Nov/Dec AMSAT Journal thinking about Eagle
and
> P3E when it hit me.  Are their any sat-to-sat circuits being built into
these
> satellites?  If we are going to have daily coverage of a HEO by 2009 and
> continuous coverage by 2012 I think having the additional sat-to-sat
circuits
> would be very useful for providing worldwide coverage.
>
> Uncle Sam finally figured that out with the new MilStar sats.  Otherwise
data
> had to be relayed by ground stations between satellites to cover the area.
>
> Any ideas???
>
> 73s,
> Eric KF4OTN
> ----
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----
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