benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 0102 Unknown, 1994-04-28,  Steve Holdorff ,  National Geodetic Su,  TRIMBLE 4000,  1531,  SSE,  TRM14532.00,  17,  NONE, 2.22, 0, 15, 163015
 0102 HPGN_STA.01-02_1991_C, 1994-06-20,   ,   ,  TRIMBLE 4000SSE,  3414A05689,  NP,  TRM14532.00,  3328A68602,  NONE, 1.1997, 0, 30, 16530
 0102 HPGN_STA.01-02_1991_C, 1994-06-21,  Owen S. ,  Stanford University ,  TRIMBLE 4000SSE,  3414A05689,  NP,  TRM14532.00,  3328A68602,  NONE, 1.1763, 0, 30, 16220
 0102 HPGN_STA.01-02_1991_, 2006-08-22,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 0.5025, 0.5699, 30, 163930
 0102 HPGN_STA.01-02_1991_, 2006-08-29,  JMS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH701945E_M,  CR620022602,  NONE, 1.1327, 1.1829, 30, 30
 0102 HPGN_STA.01-02_1991_, 2007-08-17,  GDH ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945B_M,  CR619992801,  NONE, 0.6502, 0.7108, 30, 0
 0102 HPGN_STA.01-02_1991_, 2007-08-18,  GDH ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945B_M,  CR619992801,  NONE, 0.6502, 0.7108, 30, 0
 0102 HPGN_STA.01-02_1991_, 2008-07-09,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 0.5783, 0.6418, 30, 0
 0102 HPGN_STA.01-02_1991_, 2008-07-10,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 0.5783, 0.6418, 30, 0
 0102 HPGN_STA.01-02_1991_, 2008-07-11,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 0.5783, 0.6418, 30, 0
 0102 HPGN_STA.01-02_1991_, 2009-08-20,  JMS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII 1L001,  ASH701945B_M,  CR519993702,  NONE, 0.5448, 0.6099, 30, 30
 0102 HPGN_STA.01-02_1991_, 2009-08-21,  JMS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII 1L001,  ASH701945B_M,  CR519993702,  NONE, 0.5448, 0.6099, 30, 30
 0102 HPGN_STA.01-02_1991_, 2010-06-25,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 0.6471, 0.7078, 15, 15915
 0102 HPGN_STA.01-02_1991_, 2010-06-26,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 0.6471, 0.7078, 15, 0
 0102 HPGN_STA.01-02_1991_, 2010-06-27,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 0.6471, 0.7078, 15, 0
 0102 HPGN_STA.01-02_1991_, 2010-06-28,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 0.6471, 0.7078, 15, 0
 0102 HPGN_STA.01-02_1991_, 2021-09-18,  ELP ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.7.6,  ASH701945E_M,  CR520031615,  NONE, 0.7236, 0.7818, 15, 151015
 0102 HPGN_STA.01-02_1991_, 2021-09-19,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00457,  NONE, 0.6947, 0.7538, 15, 141515