SP-4012 NASA HISTORICAL DATA BOOK: VOLUME III
PROGRAMS AND PROJECTS 1969-1978

 

Table 3-92. ESRO 4 Characteristics

 

Memorandum of Understanding (MOU)

between NASA and European Space Research Organization, Dec. 1966

Date of launch (range):

Nov. 21, 1972 (WTR)

Launch vehicle:

Scout

Shape:

cylindrical

Weight (kg):

130

Dimensions (m):

0.76, diam.

1.38, height

Power source:

solar cells plus battery

Prime contractor:

Hawker-Siddeley Dynamics, U.K.

Date of reentry:

Apr. 15, 1974

NASA's role:

launch vehicle (reimbursable)

Responsible NASA center:

LaRC

Project coordinator:

Joseph Talbot

Objectives:

To investigate and measure several phenomena in the polar ionosphere.

Experiments (responsible country or organization):

.

positive ions in ionosphere (U.K.)

composition and total mass density of natural gas in the upper thermosphere and exosphere

(Federal Rep. of Germany)

low-energy particle precipitation in auroral zones (Sweden)

polar cap absorption (Netherlands)

solar flare measurements and trapped particles in lower radiation belt (Germany)

flight qualification of infrared horizon sensor (Netherlands)

Results:

Successful.

 

Reference: MOR S-971-72-07, Nov. 13,1972; and NASA Hq. News Release 72-214, "NASA to Launch European Spacecraft," Nov. 17, 1972.


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