benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 x137 X_1372_, 1999-05-03,   ,   ,  TRIMBLE 4000SSE,  7286,  7.28,  4000ST,  115395,  L1/L2, 2, 0, 30, 194130
 x137 X_1372_1988_NGS, 1994-11-19,  WKG ,  USGS ,  ASHTECH,  831 ,  LM-XII3 7A,  ASH700228A,  1027,  NONE, 1.5106, 1.5571, 30, 23500
 x137 X_1372_1988_NGS, 1996-02-10,  CHS ,  USGS ,  ASHTECH,  143 ,  Z-XII3 1F00,  ASH700718B,  11401,  NONE, 1.4739, 1.5207, 30, 163930
 x137 X_1372_1988_NGS, 1996-02-18,  GDH ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1F00,  ASH700228A,  0598,  NONE, 1.3609, 1.4086, 30, 171230
 x137 X_1372_1988_NGS, 1997-10-28,  CHS ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1E95,  ASH700936D_M,  CR14244,  NONE, 1.5063, 1.5529, 30, 163930
 x137 X_1372_1988_NGS, 1997-11-05,  CHS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1E95,  ASH700936D_M,  CR14244,  NONE, 1.4871, 1.5338, 30, 1610
 x137 X_1372_1988_NGS, 1999-04-17,  JLS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 CB00,  ASH700936E_C,  CR16116,  NONE, 1.2065, 1.2558, 30, 15350
 x137 X_1372_1988_NGS, 1999-04-18,  JMS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 CB00,  ASH700936D_M,  CR14329,  NONE, 1.4226, 1.4698, 30, 15480
 x137 X_1372_1988_NGS, 2003-06-06,  GDH ,  USGS ,  ASHTECH,  04582 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022605,  NONE, 1.3107, 1.3589, 30, 15430
 x137 X_1372_1988_NGS, 2003-06-07,  CHS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 1.4267, 1.4739, 30, 154430
 x137 X_1372_1988_NGS, 2014-03-16,  JLS ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.3.1,  ASH701945B_M,  CR519993703,  NONE, 0.7484, 0.8059, 15, 144945
 x137 X_1372_1988_NGS, 2014-03-17,  JLS ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.3.1,  ASH701945B_M,  CR519993703,  NONE, 0.7484, 0.8059, 15, 0
 x137 X_1372_1988_NGS, 2014-03-18,  JLS ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.3.1,  ASH701945B_M,  CR519993703,  NONE, 0.7484, 0.8059, 15, 0
 x137 X_1372_1988_NGS, 2014-03-19,  JLS ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.3.1,  ASH701945B_M,  CR519993703,  NONE, 0.7484, 0.8059, 15, 0
 x137 X_1372_1988_NGS, 2021-06-11,  JLS ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  ASH701945B_M,  CR519993702,  NONE, 0.7689, 0.8258, 15, 17510
 x137 X_1372_1988_NGS, 2021-06-12,  JLS ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  ASH701945B_M,  CR519993702,  NONE, 0.7689, 0.8258, 15, 0
 x137 X_1372_1988_NGS, 2021-06-13,  JLS ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  ASH701945B_M,  CR519993702,  NONE, 0.7689, 0.8258, 15, 0