benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 kami, 2001-09-13,  TD ,  USGS ,  TRIMBLE,  3608A14594 ,  4000SSI NP,  TRM29659.00,  0220073545,  NONE, 1.5733, 0, 0, 15580
 kami, 2001-09-22,  GB ,  USGS ,  TRIMBLE,  3608A14631 ,  4000SSI NP,  TRM29659.00,  0220073545,  NONE, 1.6248, 0, 0, 15550
 kami KAMI_GPS_1995_NGS, 2006-09-21,  CMH ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.2592, 1.3079, 30, 15430
 kami KAMI_GPS_1995_NGS, 2016-09-17,  SAH ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00580,  NONE, 1.3743, 1.4219, 15, 164915
 kami KAMI_GPS_1995_NGS, 2016-09-18,  SAH ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00580,  NONE, 1.3501, 1.3979, 15, 154615