benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 bm25 BM_25_3370_USGS, 1994-11-21,  GDH ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1E00,  ASH700228D,  1068,  NONE, 1.1316, 1.1818, 30, 145930
 bm25 BM_25_3370_USGS, 1996-02-07,  GDH ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1F00,  ASH700228A,  0598,  NONE, 1.1296, 1.1798, 30, 1730
 bm25 BM_25_3370_USGS, 1996-02-21,  GDH ,  USGS ,  ASHTECH,  *LP00141 ,  Z-XII3 1F00,  ASH700718B,  11416,  NONE, 1.1287, 1.1789, 30, 163230
 bm25 BM_25_3370_USGS, 1997-10-24,  JMS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1E95,  ASH700936D_M,  CR14333,  NONE, 1.0849, 1.1357, 30, 1700
 bm25 BM_25_3370_USGS, 1997-10-25,  GDH ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1E95,  ASH700936D_M,  CR14329,  NONE, 1.1488, 1.1988, 30, 16110
 bm25 BM_25_3370_USGS, 1999-04-13,  CHS ,  USGS ,  ASHTECH,  LP03464 ,  Z-XII3 CB00,  ASH700936D_M,  CR14341,  NONE, 1.1953, 1.2447, 30, 16630
 bm25 BM_25_3370_USGS, 1999-04-14,  JLS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 CB00,  ASH700936E_C,  CR16116,  NONE, 1.1528, 1.2027, 30, 16230
 bm25 BM_25_3370_USGS, 2003-06-03,  CHS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 1.2036, 1.2529, 30, 16180
 bm25 BM_25_3370_USGS, 2003-06-04,  GDH ,  USGS ,  ASHTECH,  04582 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993702,  NONE, 0.2567, 0.3477, 30, 16200
 bm25 BM25_3370_1905_USGS, 2011-07-17,  JLS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945B_M,  CR519993702,  NONE, 0.5342, 0.5998, 15, 145715
 bm25 BM25_3370_1905_USGS, 2014-03-12,  JLS ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA-Unkn,  ASH701945B_M,  CR519993706,  NONE, 1.1398, 1.1899, 15, 16110
 bm25 BM25_3370_1905_USGS, 2014-03-13,  JLS ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  ASH701945B_M,  CR519993703,  NONE, 1.161, 1.2109, 15, 14815
 BM25, 2019-07-08,  Gareth Funning ,  University of Califo,  TRIMBLE,  0220413522 ,  R7 2.32,  TRM57971.00,  1441040465,  NONE, 0.9688, 1.0273, 0, 232930
 BM25, 2019-07-12,  G. Funning / B. Wu ,  University of Califo,  TRIMBLE,  0220413522 ,  R7 2.32,  TRM57971.00,  1441040465,  NONE, 0.9685, 1.027, 0, 20300
 BM25, 2019-07-26,  G. Funning / B. Wu ,  University of Califo,  TRIMBLE,  0220413522 ,  R7 2.32,  TRM57971.00,  1441040465,  NONE, 0.9678, 1.0263, 0, 480
 BM25, 2019-08-08,  G. Funning / B. Wu ,  University of Califo,  TRIMBLE,  0220413522 ,  R7 2.32,  TRM57971.00,  1441040465,  NONE, 0.968, 1.0265, 0, 195530
 BM25, 2019-09-13,  G.Funning/J.Cortez ,  University of Califo,  TRIMBLE,  0220413522 ,  R7 2.32,  TRM57971.00,  1441040465,  NONE, 0.9668, 1.0253, 0, 14280
 BM25, 2019-11-19,  Gareth Funning ,  University of Califo,  TRIMBLE,  0220413522 ,  R7 2.32,  TRM57971.00,  1441040486,  NONE, 0.9661, 1.0246, 0, 2130
 BM25, 2020-02-12,  Gareth Funning ,  University of Califo,  TRIMBLE,  0220413522 ,  R7 2.32,  TRM57971.00,  1441040486,  NONE, 0.8873, 0.947, 0, 18410
 BM25, 2020-06-09,  Gareth Funning ,  University of Califo,  TRIMBLE,  0220413522 ,  R7 2.32,  TRM57971.00,  1441040486,  NONE, 0.8873, 0.947, 0, 20490
 BM25, 2020-06-27,  Gareth Funning ,  University of Califo,  TRIMBLE,  0220413522 ,  R7 2.32,  TRM57971.00,  1441040486,  NONE, 0.8873, 0.947, 0, 20830
 BM25, 2020-08-29,  Gareth Funning ,  University of Califo,  TRIMBLE,  0220413522 ,  R7 2.32,  TRM57971.00,  1441040486,  NONE, 0.8868, 0.9465, 0, 19240
 BM25, 2020-08-31,  Gareth Funning ,  University of Califo,  TRIMBLE,  0220413522 ,  R7 2.32,  TRM57971.00,  1441040486,  NONE, 0.8861, 0.9458, 0, 430
 BM25, 2021-04-15,  Gareth Funning ,  University of Califo,  TRIMBLE,  0220413522 ,  R7 2.32,  TRM57971.00,  1441040465,  NONE, 0.8854, 0.9451, 0, 100
 bm25 BM25_3370_1905_USGS, 2021-10-19,  JLS ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.7.6,  ASH701945B_M,  CR519993702,  NONE, 0.8999, 0.9538, 15, 17180
 bm25 BM25_3370_1905_USGS, 2021-10-20,  JLS ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.7.6,  ASH701945B_M,  CR519993702,  NONE, 0.8999, 0.9538, 15, 0
 bm25 BM25_3370_1905_USGS, 2021-10-21,  JLS ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.7.6,  ASH701945B_M,  CR519993702,  NONE, 0.8999, 0.9538, 15, 0