LES 8 and 9 were experimental nuclear-powered geostationary communications satellites. Solrad 11A and 11B were scientific satellites designed to monitor the solar X-ray, UV and energetic particle emissions.
LES 8 and 9 were experimental nuclear-powered geostationary communications satellites. Solrad 11A and 11B were scientific satellites designed to monitor the solar X-ray, UV and energetic particle emissions.