benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s) mid7 Mid_7_1974_USGS, 1993-06-12, , , ROGUE, 115 , SNR-8000 7A, AOAD/M_T, *115, NONE, 0.4504, 0, 30, 0