On 4/18/13 4:01 AM, David J Taylor wrote:
An interesting novel use of GPS "stray" signals....
"ESA’s retired GIOVE-A navigation mission has become the first civilian
satellite to perform GPS position fixes from high orbit. Its results
demonstrate that current satnav signals could guide missions much
further away in space, up to geostationary orbit or even as far as the
Moon. " See:
http://www.esa.int/Our_Activities/Space_Engineering/Far-out_space_navigation_from_sideways_satnav_signals
Interesting..
I know there's a bunch of analysis about how to use GPS at the moon. you
need to look at the GPS satellites on the far side of the earth, grazing
the limb.
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