benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 clat Clats_NGS, 1993-08-09,  EE_ ,  USGS ,  ASHTECH L-XII,  005,  7A,  ASH700228A,  005,  NONE, 1.6496, 1.6951, 15, 212145
 clat Clats_NGS, 1993-08-10,  EE_ ,  USGS-CVO ,  ASHTECH LM-XII3,  005,  7A,  ASH700228A,  005,  NONE, 1.5847, 1.6307, 15, 211515
 clat Clats_NGS, 1998-08-26,  MARK A CONTINO ,  SOKKIA CORPORATION ,  ASHTECH UZ-12,  SKZ1178,  UB00,  ASH700718B,  12649,  NONE, 1.6559, 1.7014, 15, 145315
 clat Clats_NGS, 1998-08-27,  MARK A CONTINO ,  SOKKIA CORPORATION ,  ASHTECH UZ-12,  SKZ1178,  UB00,  ASH700718B,  12649,  NONE, 1.7401, 1.7851, 15, 183945
 clat Clats_NGS, 1998-08-28,  MARK A CONTINO ,  SOKKIA CORPORATION ,  ASHTECH UZ-12,  SKZ1178,  UB00,  ASH700718B,  12649,  NONE, 1.7511, 1.7961, 15, 142945
 clat Clats_NGS, 1994-08-17,  CHS ,  USGS ,  ASHTECH,  99 ,  LM-XII3 7A,  ASH700228D,  1036,  NONE, 1.4463, 1.4933, 30, 142430
 clat Clats_NGS, 2000-07-21,  GDH ,   ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993706,  NONE, 1.2762, 1.3248, 30, 15560