benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 ida1 IDA_15W-22_1960_USCG, 2003-09-12,  MAJ ,  USGS ,  ASHTECH,  LP03203 ,  Z-XII3 CD00,  ASH700936E_C,  CR16374,  NONE, 1.1013, 1.1519, 30, 155730
 ida1 IDA_15W-22_1960_USCG, 2003-09-24,  CWW ,  USGS ,  ASHTECH,  LP03188 ,  Z-XII3 CD00,  ASH700936E_C,  CR16381,  NONE, 1.2379, 1.2868, 30, 15210
 ida1 IDA_15W-22_1960_USCG, 2011-09-20,  JLS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 1.156, 1.2059, 15, 13945
 ida1 IDA_15W-22_1960_USCG, 2011-09-21,  JLS ,  USGS ,  JAVAD,  00619 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 1.1752, 1.2249, 15, 131245