Transmitter, radiating at a right angle to the spacecraft trajectory and intersecting the surface at a shallow angle, yields accurate radar maps of lunar or planetary surfaces. Earth based station receives the signal reflected from the planetary surface. Mapping coordinates and signal strength are produced by earth based transmitter.
Combination ranging system and mapping radar
1969-09-01
Miscellaneous
No indication
English
Radar Mapping and Precision Ranging of Mercury and Mars
NTRS | 1994
|European Patent Office | 2020
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