Radar type backscatter from ground to Alouette satellite at HF and 1000 km altitude
High frequency backscatter from the earth measured at 1000 km altitude.
1965-04-01
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Englisch
Earth Photography from High-Altitude Balloons
NTIS | 1971
|Earth photography from high-altitude balloons
NTRS | 1971
|British Library Conference Proceedings | 2003
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