= First Server Sky Experiment =

=== Hitchhiker ===
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=== 24 GHz instead of 70 GHz ===

The 1.25 cm amateur radio band extends from 24.0 GHz to 24.05 GHz, and is barely used.  This is near the [[PathAttenuation | 23 GHz water peak]], perhaps .18 dB/km at 7.5g/m^3^ water saturation.  At 10 degrees elevation and 7 km density scale height, that is 7.3 dB attenuation;  a factor of 5.3, which might be lousy for ordinary high bandwidth satellite communication,  but perfectly adequate for low bandwidth telemetry.

=== Impulse ===

Let's raise perigee just enough to make 92 each 5 gram thinsats (V = 3 array) last a couple of months - lets assume that is 922 km altitude perigee (7300 km radius).  Assume a carrier that brings the total mass up to a kilogram.   Start with a GTO transfer orbit with a perigee of 622 km altitude (7000 km radius), with an apogee velocity of 1640.7 m/s.  The test orbit has an apogee velocity of 1692.4 m/s, for a delta V of 29.5 meters per second for one kilogram, the impulse of 30 Newton-seconds. 

'''Note: I probably need to redo my calculations, but the drag is so low at 600 km perigee that the orbits may last a very long time, perhaps too long.'''

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