benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 43JD, 1995-09-16,  unknown ,  unknown ,  TRIMBLE 4000SE,  3467,  6.12,  TRM14532.00,  31,  NONE, 0.9115, 0, 0, 16330
 43JD, 1995-09-17,  unknown ,  unknown ,  TRIMBLE 4000SE,  3449,  6.12,  TRM14532.00,  68496,  NONE, 0.919, 0, 30, 163030
 43jd, 1996-07-12,  CHS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1F00,  ASH700228D,  1036,  NONE, 1.2191, 1.2683, 30, 152830
 43jd, 1996-07-13,  JLS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1F00,  ASH700228D,  1068,  NONE, 1.1769, 1.2266, 30, 154730
 43jd 43JD_1955_BM1_USGS, 2000-08-23,  JMS ,   ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993705,  NONE, 1.2136, 1.2628, 30, 151830
 43jd 43JD_1955_BM1_USGS, 2000-08-24,  JMS ,   ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993705,  NONE, 1.253, 1.3018, 30, 14390
 43jd 43JD_1955_BM1_USGS, 2004-05-19,  JLS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993702,  NONE, 1.1864, 1.236, 30, 15380
 43jd 43JD_1955_BM1_USGS, 2004-05-20,  CHS ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH701945E_M,  CR520031615,  NONE, 1.1641, 1.2139, 30, 151430