Kaktus-2V altimeter Main gamma-ray source at 662 keV, backscatter peak at 200 keV, 3 redundant transmitters / receivers. "no power draw" :) Uses 50W, weights

Kaktus-2V altimeter Main gamma-ray source at 662 keV, backscatter peak at 200 keV, 3 redundant transmitters / receivers. "no power draw" :) Uses 50W, weights 10kg. Good old Russian Teknology. [0] http://www.rtc.ru/index.php/kosmicheskoe-priborostroenie/fotonnaya-izmeritelnaya-sistema-malykh-vysot-kaktus-2v http://www.rtc.ru/index.php/kosmicheskoe-priborostroenie/fot... [1] http://www.nucsafe.com/cms/Gamma+Interactions+and+ID/46.html http://www.nucsafe.com/cms/Gamma+Interactions+and+ID/46.html