benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s) md15 Mid_15_1975_USGS, 1993-06-11, , , ROGUE, 115 , SNR-8000 93.05, AOAD/M_T, *115, NONE, 0.4072, 0, 30, 0