benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 thya, 1996-06-10,  unknown ,  CVO ,  Trimble 4000SSE,  03587,  GammaNP,  TRM14532.00,  00000,  NONE, 1.4055, 0, 30, 1420
 thya, 1996-06-11,  unknown ,  CVO ,  Trimble 4000SSE,  03587,  GammaNP,  TRM14532.00,  68270,  NONE, 1.539, 0, 30, 14430
 thya Tahuya_1990_NGS, 1994-08-14,  David Verdonck ,  Univ of Wash ,  TRIMBLE,  3058 ,  4000SSE Nav,  4000ST,  68502,  L1/L2, 1.4849, 0, 15, 144415
 thya Tahuya_1990_NGS, 2001-08-17,  CHS ,   ,  ASHTECH,  lp019992809 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.4518, 1.4987, 30, 15390
 thya Tahuya_1990_NGS, 2001-08-18,  CHS ,   ,  ASHTECH,  lp019992809 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.4095, 1.4568, 30, 15290