Also called:
German Research Satellite
(GRS-A)
Memorandum of Understanding
(MOU)
between NASA and Bundesministerium
fur wissenschaftliche Forschung, Federal Republic of
Germany, July 17, 1965
Date of launch (range):
Nov. 7, 1969 (WTR)
Launch vehicle:
Scout
Shape:
cylindrical with a conical top
Weight (kg):
72
Dimensions (m):
0.76, diam.
1.13, length (1.95 with extendable
boom)
Power source:
solar cells plus AgCd battery
Prime contractor:
Gesellschaft fur Weltraumforschung
mbH
Date of reentry:
Still in orbit 1984
NASA's role:
launch vehicle, technical support,
and tracking and data acquisition
Responsible NASA center:
GSFC
Project manager:
Allen L. Franta
Project scientist:
George F. Pieper
Objectives:
To obtain data on the inner Van Allen
belt, the auroral zones of the northern hemisphere, and the
spectral variations of solar particles versus time during
solar flares.
Experiments (responsible country or
organization):
.
magnetometer (institute fur Geophysik
and Meteorologie der Technischen Hochshule)
proton telescope (Max-Planck-Institut
and Institut fur reine und andewandte Kernphysik der
Universitat Kiel)
proton-electron detector (MPI)
electron counter (MPI)
charged particle counter (MPI)
photometer (Institut fur Physik der
Atmosphare)
Results:
Successful results obtained even
though the spacecraft tape recorder failed in Dec. 1969;
only real-time data were obtained.
Reference: MOR S-874-69-01, Nov. 9, 1969.