On 10/02/2012 10:37 PM, Jim Lux wrote:
Intriguing.. Can it handle the Doppler, etc., for a cubesat in LEO? (7km/s) The total Doppler isn't usually the issue (the GPS satellites are moving faster, after all), but the receiver may not work for high velocities, high altitudes?
GPS receivers that function "above 60,000 feet altitude and at 1,000 knots velocity or greater" are classified as munitions under ITAR. This doesn't make them illegal to possess or use as far as I know, but exporting them from the US is troublesome so civilian receivers will cease functioning under those conditions. Whether that's 60k feet and 1000 knots simultaneously or separately, is up for debate and probably depends on the manufacturer's interpretation.
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