benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 adam, 2001-09-13,  CHS ,   ,  ASHTECH,  lp020000801 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993702,  NONE, 1.3923, 1.4397, 30, 155830
 adam, 2001-09-19,  APS ,   ,  ASHTECH,  04597 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993706,  NONE, 1.2338, 1.2828, 30, 155630
 adam Adams_CTHS_1990_NGS, 2005-09-16,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH700936D_M,  CR14333,  NONE, 1.3198, 1.3679, 30, 15730
 adam Adams_CTHS_1990_NGS, 2005-09-21,  HRY ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH701945E_M,  CR520031622,  NONE, 1.4046, 1.4519, 30, 15560
 adam Adams_CTHS_1990_NGS, 2010-08-12,  CHS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945E_M,  CR520031626,  NONE, 1.347, 1.3949, 15, 154915
 adam Adams_CTHS_1990_NGS, 2010-08-13,  CHS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 1.3884, 1.4359, 15, 153345