Beskrivning : The objectives of this spacecraft were to measure background gamma radiation over the whole earth in the 100 to 300-kV range and in the >700-kV range. Fluxes and spectra of low-altitude charged particles were to be measured as a function of time and magnetospheric position. The effects of the space environment on various thermal control coatings were to be determined. Measurements of UV radiation, and H and He atoms and ions were taken. Observation was made of extreme and far UV originating in interaction of solar wind with interplanetary medium or from galactic sources.
Vandenberg post stamp and Rascat satellite.

USA 587 - image retouchée ?

Sida : future · Ref: USA  587 

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RADSAT & RADCAT (SATELLITES) · ATLAS F