NASA NTRS · 19670000743
Radar instrumentation on Surveyor I spacecraft and use in determining electrical properties of lunar surface
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Brown, W. E.. 1966-09-10. Lunar surface electrical properties. https://ntrs.nasa.gov/citations/19670000743
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Impact crater size vs incidence analyzed statistically in study of validity of time dependence on saturation for moon and Mars
Radar observation of lunar surface properties
The extemal temperatme extremes of the lunar swjace dictated that a means be found to control the two electronic compartments on the Surveyot soft lunar landing vehicle within a narrower temperatme band to assure satisfactory component pmjonnance. Accordingly, thermal switches were developed to conduct heat away from temperature-sensitive components while heat-generating components were operating during the lunar day, and to retain heat at night when the equipment was off. Future equipment required to vary thermal conductivities, should this principle be employed, can benefit greatly from the results of the many problems encountered and studies made.