benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 true True_1990_NCER, 2010-09-01,  I. Johanson ,  UC BERKELEY ,  TRIMBLE R7,  0220413532,  2.32,  TRM41249.00,  60220641,  NONE, 1.4699, 1.5237, 30, 0
 true True_1990_NCER, 2010-09-02,  I. Johanson ,  UC BERKELEY ,  TRIMBLE R7,  0220413532,  2.32,  TRM41249.00,  60220641,  NONE, 1.4699, 1.5237, 30, 0
 true True_1990_NCER, 2010-09-03,  I. Johanson ,  UC BERKELEY ,  TRIMBLE R7,  0220413532,  2.32,  TRM41249.00,  60220641,  NONE, 1.4699, 1.5237, 30, 0
 true True_1990_NCER, 1992-03-03,  GDH ,  USGS ,  ASHTECH,  107 ,  LM-XII3 6A,  ASH700228D,  *031,  NONE, 1.2795, 1.328, 30, 3460
 true True_1990_NCER, 1993-01-25,  GDH ,  USGS ,  ASHTECH,  764 ,  LM-XII3 6M24,  ASH700228A,  0598,  NONE, 1.1899, 1.2394, 30, 1080
 true True_1990_NCER, 1993-01-26,  GDH ,  USGS ,  ASHTECH,  107 ,  LM-XII3 6M24,  ASH700228D,  *031,  NONE, 1.2422, 1.2911, 30, 111330
 true True_1990_NCER, 1994-05-02,  GDH ,  USGS ,  ASHTECH,  763 ,  LM-XII3 7A,  ASH700228A,  0718,  NONE, 1.3217, 1.3698, 30, 131230
 true True_1990_NCER, 1995-07-18,  GDH ,  USGS ,  ASHTECH,  831 ,  LM-XII3 7A,  ASH700228A,  1027,  NONE, 1.2292, 1.2783, 30, 17280
 true True_1990_NCER, 1996-06-19,  GDH ,  USGS ,  ASHTECH,  143 ,  Z-XII3 1F00,  ASH700718B,  11401,  NONE, 1.1914, 1.2409, 30, 15370
 true True_1990_NCER, 1997-07-29,  GDH ,  USGS ,  ASHTECH,  O4579 ,  Z-XII3 1E95,  ASH700936D_M,  CR14329,  NONE, 1.2752, 1.3238, 30, 15270
 true True_1990_NCER, 1997-10-06,  GDH ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1E95,  ASH700936D_M,  CR14330,  NONE, 1.3055, 1.3538, 30, 15570
 true True_1990_NCER, 1997-12-11,  GDH ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1E95,  ASH700936D_M,  CR14333,  NONE, 1.2469, 1.2958, 30, 162130
 true True_1990_NCER, 1999-01-27,  GDH ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CB00,  ASH700936D_M,  CR14244,  NONE, 1.251, 1.2998, 30, 420
 true True_1990_NCER, 1999-01-28,  GDH ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CB00,  ASH700936D_M,  CR14244,  NONE, 1.251, 1.2998, 30, 10
 true True_1990_NCER, 2001-02-15,  GDH ,   ,  ASHTECH,  lp019992805 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.2489, 1.2977, 30, 16380
 true True_1990_NCER, 2001-02-16,  GDH ,   ,  ASHTECH,  lp019992805 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.2489, 1.2977, 30, 10
 true True_1990_NCER, 2005-01-25,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.1529, 1.2029, 30, 0
 true True_1990_NCER, 2005-01-26,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.1529, 1.2029, 30, 0
 true True_1990_NCER, 2005-01-27,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.1529, 1.2029, 30, 0
 true True_1990_NCER, 2005-01-28,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.1529, 1.2029, 30, 0
 true True_1990_NCER, 2005-01-29,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.1529, 1.2029, 30, 0
 true True_1990_NCER, 2005-01-30,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.1529, 1.2029, 30, 0
 true True_1990_NCER, 2005-01-31,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.1529, 1.2029, 30, 0
 true True_1990_NCER, 2017-03-28,  ELP ,  USGS ,  JAVAD,  01658 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  00457,  NONE, 1.2592, 1.3079, 15, 17015
 true True_1990_NCER, 2017-03-29,  ELP ,  USGS ,  JAVAD,  01658 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  00457,  NONE, 1.2592, 1.3079, 15, 0
 true True_1990_NCER, 2017-03-30,  ELP ,  USGS ,  JAVAD,  01658 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  00457,  NONE, 1.2592, 1.3079, 15, 0
 true True_1990_NCER, 2017-03-31,  ELP ,  USGS ,  JAVAD,  01658 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  00457,  NONE, 1.2592, 1.3079, 15, 0
 true True_1990_NCER, 2023-02-21,  ELP ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.7.6,  ASH701945B_M,  CR619992805,  NONE, 0.7453, 0.8029, 15, 184345
 true True_1990_NCER, 2023-02-22,  ELP ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.7.6,  ASH701945B_M,  CR619992805,  NONE, 0.7453, 0.8029, 15, 0
 true True_1990_NCER, 2023-02-23,  ELP ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.7.6,  ASH701945B_M,  CR619992805,  NONE, 0.7453, 0.8029, 15, 0
 true True_1990_NCER, 2023-02-24,  ELP ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.7.6,  ASH701945B_M,  CR619992805,  NONE, 0.7453, 0.8029, 15, 0
 true True_1990_NCER, 2023-02-25,  ELP ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.7.6,  ASH701945B_M,  CR619992805,  NONE, 0.7453, 0.8029, 15, 0