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Telemetry and Command References? by
Martin Sagara
Can anyone recommend a good textbook or reference on spacecraft
telemetry and commanding? I've looked at the CCSDS handbooks but
found them a little terse and...
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1 |
1,954 |
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46 |
7,263 |
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TDRSS ground station expansion? by
Allen Thomson
I was looking at the original TDRSS ground station (32.502 N, 106.611
W) in Google Earth historical imagery and noticed that a substantial
addition was made to...
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4 |
1,020 |
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TDRS Satellites by
Paul Marsh
I don't know if this is the right group to post this question to, but I'll
give it a try. Is there any way of knowing which two TDRS satellites are
being used...
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0 |
1,186 |
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4 |
626 |
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Sun-sync orbit? by
MattWriter
The DARPA solicitation for the new FALCON small launch vehicle program
specifies the requirement to put a satellite in "sun synchronous orbit" at 450
km at "79...
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1 |
1,192 |
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Sun synchronous explanation by
oriel36[_2_]
The common explanation for satellite 'precession' relies on planetary
spherical deviation -
" The uniformity of sun angle is achieved by tuning natural...
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3 |
1,220 |
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Sun Sensors for Attitude Determination by
David Harper
I'm interested in developing a sun sensor (or maybe a horizon sensor)
for a low-cost, amateur, high altitude project. However, I'm having
some difficulty...
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November 30th 04 09:50 PM
by greg
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5 |
746 |
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Sun angle and spysats by
Allen Thomson
There's a cute illustration of the tendency for optical spysats
to have orbits optimized for, among other things, sun angle and
time of day at...
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December 6th 04 04:00 AM
by Hamish
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5 |
1,373 |
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Suitsat - why so bad lifetime prediction? by
Ian Stirling
Suitsat was widely predicted at the time to have lasted about 6 weeks
before decaying.
It lasted more than 6 months.
Is this due to uncertainty of the...
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0 |
1,436 |
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3 |
1,790 |
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May 24th 08 09:39 PM
by 0523jk
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8 |
1,806 |
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0 |
957 |
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Sub-Orbital Earth Transits by
David Spain[_2_]
Well, not having received any negative responses
to my original query in sci.space.policy, concerning
Virgin Galactic, here...
( 1 2 3)
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26 |
2,675 |
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Sub-G thrust to orbit. by
Brucebo
Is is possible to make it into earth orbit using a sub-G thrusting
rocket motor together with a hypersonic lifting body?
Assuming it is possible Newtonically,...
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8 |
443 |
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Stupid question about Hubble by
Explorer8939
Does Hubble perform observations while in direct sunlight (ie the
period of its orbit when it is not in the Earth's shadow.
If not, then a propulsion system...
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6 |
1,215 |
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3 |
1,323 |
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1 |
526 |
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0 |
790 |
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STS-121 launch trouble by
[email protected]
Heads up - STS-121 problems
---------------------------
It is Monday, 12:24pm EDT (1624z).
The S-121 Management Team is about to begin a briefing that will...
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0 |
724 |