A New Approach to Lightweight Radar Altimeters

Nadav Levanon, Ferrel G. Stremler, Verner E. Suomi

Research output: Contribution to journalArticlepeer-review


Test results and key principles are given for a radar altimeter designed for meteorological balloons. The instrument, which weighs 160 g and consumes 0.7 W, will fill a gap in meteorological sensing using balloons—an area where pressure altitude was formerly the prevailing reference. The instrument is basically a delay-lock radar utilizing a superregenerative RF stage. Long-term absolute accuracy of ± 10 m and short-term stability of better than 2 m rms were measured at altitudes of 20 km.

Original languageEnglish
Pages (from-to)784-792
Number of pages9
JournalProceedings of the IEEE
Issue number6
StatePublished - Jun 1974
Externally publishedYes


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