benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 paif, 1996-06-10,  unknown ,  CVO ,  Trimble 4000SSi,  14856,  NP,  TRM29659.00,  61140,  NONE, 1.3909, 0, 30, 135030
 paif, 1996-06-11,  unknown ,  CVO ,  Trimble 4000SSi,  14856,  NP,  TRM29659.00,  61140,  NONE, 1.4296, 0, 30, 13340
 paif PaineField_1990_NGS, 2002-08-23,  JMS ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH701945B_M,  CR619992801,  NONE, 1.4953, 1.5419, 30, 182830