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please contact Pietro Bernasconi
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SBI-3 Observing Platform
SBI-3 is essentially the same as SBI-2 with the only difference
that we do not use solar panels but only batteries like in
SBI-1. The reason is because since it is a 1-day flight our
energy requirements are much less than a multi-day
flight. A battery-only system is cheaper and the pointing in
azimuth is much more stable since the solar panels would act as
sails thus introducing disturbances in the system. Yes there is
still some wind also at 120,000 feet altitude and approximately
4 mBar of air pressure.
