GRS (Geophysical Research Satellite) was a geophysics experiment test built by the Cambridge Research Lab (CRL). Data was obtained for 13 orbits, after which time the satellite ceased working due to a failure in the primary power supply.
It carried three experiments:
|Type / Application:||Science, geophysics|
|Operator:||US Air Force (USAF) Cambridge Research Lab (AFCRL)|
|Contractors:||US Air Force Cambridge Research Lab (AFCRL)|
|Orbit:||411 km × 1311 km, 49.7°|
|GRS (CRL 1, PL 19)||1963-026A||28.06.1963||WI LA-3||Scout-X4|