ocr: 9 I 97 VIKING 1AND2 LANDER EQUPEMONTS Radio contact with the Earth is ensured by a 147-centimeter parabolic antenna, oriented by the on-board computer. In a ten-minute, daily hook-up (310 MHz, UHF), the orbiter and the lander can exchange 10 million bits of information. The orbiter's scientific equipment, representing a load of 65 kilos, includes three kinds of instruments: Two spherical optic cameras with a focal length of 475 Viking 2 millimeters, each equipped with a six-color filter disk. photo A Mars Atmospheric Water Detector (MAWD), as spectrometer that captures the solar rays reflected ...
