benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 a280 A280_stmpd_N200_No.1, 1992-10-05,   ,   ,  TURBOROGUE,  132 ,   ,  AOAD/M_T,  132,  NONE, 1.0993, 0, 30, 195930
 a280, 1996-09-17,  CHS ,  USGS ,  ASHTECH,  270 ,  Z-XII3 1E86,  ASH700228D,  *132,  NONE, 1.3458, 1.3937, 30, 1880
 a280, 1998-09-15,  JMS ,  USGS ,  ASHTECH,  O4591 ,  Z-XII3 CB00,  ASH700936D_M,  CR14341,  NONE, 1.2995, 1.3478, 30, 1900