Also called:
International Satellite for
Ionospheric Studies
Memorandum of Understanding:
same as for ISIS 1
Date of launch (range):
Mar. 31, 1971 (WTR)
Launch vehicle:
Delta E
Shape:
same as for ISIS 1
Weight (kg):
264
Dimensions (m):
1.27, diam.
1.22, height
Power source:
same as for ISIS 1
Prime contractor:
same as for ISIS 1
Date of reentry:
N/A
NASA's role:
same as for ISIS 1
Responsible NASA center:
GSFC
Project manager:
E. Nelson
Project scientist:
J. Jackson
Objectives:
To continue to extend a joint
U.S.-Canadian program of ionospheric studies by combining
sounder data with correlative direct measurements for a time
sufficient to cover latitudinal and diurnal variations
during a period of declining solar activity.
Experiments (responsible country or
organization):
.
swept frequency sounder
(Communications Research Centre)
fixed frequency sounder (CRC)
VLF receiver/exciter (CRC)
radio beacon (Univ. of Western
Ontario)
retarding potential analyzer
(GSFC)
energetic particle detector (National
Research Council, Canada)
cosmic radio noise (CRC)
soft particle spectrometer (Univ. of
Texas)
ion mass spectrometer (Univ. of
Texas)
cylindrical electrostatic probe
(GSFQ
oxygen red-line photometer (York
Univ.)
auroral scanner (Univ. of
Calgary)
Results:
Successful; data were still being
received from this fourth joint satellite project in Oct.
1979.
Reference: MOR S-872-71-03, Mar. 24, 1971.