CROTRAK

Keeping the Memory Alive

S-Band Antennae                                            VHF Antenna Array


Goddard Range and Range Rate System

The primary function of the Goddard Range and Range Rate System was to provide precise range, range rate, and angular data for the orbit determination of satellites and spacecraft in the region from near earth to lunar distances and beyond.

The complete system comprised the ground station equipment, a vehicle-borne transponder, and a transponder test set.


Typical Range and Range Rate Site Installation


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