benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 gp17 GP_17_410-8_1986_NGS, 1994-08-16,  unknown ,  CVO ,  TRIMBLE 4000SSE,  03587,  NP,  TRM14532.00,  827000,  NONE, 1.4025, 0, 30, 122515
 gp17 GP_17_410-8_1986_NGS, 1994-08-17,  unknown ,  CVO ,  TRIMBLE 4000SSE,  03587,  NP,  TRM14532.00,  827000,  NONE, 1.3974, 0, 30, 122745
 gp17 GP_17_410-8_1986_NGS, 1993-08-26,  CHS ,  USGS ,  ASHTECH,  283 ,  LM-XII3 7AP6,  ASH700228D,  *132,  NONE, 1.4121, 1.4594, 30, 20420
 gp17 GP_17_410-8_1986_NGS, 1993-08-27,  CHS ,  USGS ,  ASHTECH,  283 ,  LM-XII3 7AP6,  ASH700228D,  *132,  NONE, 1.3548, 1.4026, 30, 194630
 gp17 GP_17_410-8_1986_NGS, 1995-08-07,  CHS ,  USGS ,  ASHTECH,  830 ,  LM-XII3 7A,  ASH700228A,  0718,  NONE, 1.4112, 1.4585, 30, 14460
 gp17 GP_17_410-8_1986_NGS, 1997-08-20,  JLS ,  USGS ,  ASHTECH,  O4591 ,  Z-XII3 1E95,  ASH700936D_M,  CR14341,  NONE, 1.1832, 1.2328, 30, 163830
 gp17 GP_17_410-8_1986_NGS, 1997-08-21,  CHS ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1E95,  ASH700936D_M,  CR14329,  NONE, 1.4095, 1.4568, 30, 15510
 gp17 GP_17_410-8_1986_NGS, 1999-08-26,  JMS ,   ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14330,  NONE, 1.4629, 1.5098, 30, 17370
 gp17 GP_17_410-8_1986_NGS, 1999-08-27,  CHS ,   ,  ASHTECH,  O4579 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 1.4297, 1.4768, 30, 145830
 gp17 GP_17_410-8_1986_NGS, 2001-03-08,  JLS ,   ,  ASHTECH,  lp019992804 ,  Z-XII3 CD00,  ASH701945.02B,  CR619992801,  NONE, 1.1913, 1.2408, 30, 1650
 gp17 GP_17_410-8_1986_NGS, 2001-03-10,  GDH ,   ,  ASHTECH,  801 ,  Z-XII3 CD00,  ASH700936D_M,  CR14330,  NONE, 1.3893, 1.4368, 30, 1710
 gp17 GP_17_410-8_1986_NGS, 2003-08-23,  JMS ,  USGS ,  ASHTECH,  04597 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.5285, 1.5749, 30, 1640
 gp17 GP_17_410-8_1986_NGS, 2003-08-24,  CHS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993706,  NONE, 1.344, 1.3919, 30, 1640