benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 AMER, 2010-07-13,  M.Floyd/G.Funning ,  University of Califo,  TRIMBLE 5700,  0220281526,  NP,  TRM41249.00,  12338004,  NONE, 1.4684, 1.5222, 30, 1540
 AMER, 2014-07-03,  M.Floyd/N.Senobari ,  MIT/University of Ca,  TRIMBLE 5700,  0220273264,  NP,  TRM41249.00,  12337743,  NONE, 1.1876, 1.2436, 30, 19530
 AMER, 2014-08-25,  Floyd/Johnson/Boyd ,  M.I.T. / U. C. Berke,  TRIMBLE 5700,  0220315190,  NP,  TRM41249.00,  12560395,  NONE, 1.0504, 1.1078, 30, 0
 AMER, 2014-08-26,  M.Floyd/K.Materna ,  M.I.T. / U.C. Berkel,  TRIMBLE 5700,  0220315190,  NP,  TRM41249.00,  12560395,  NONE, 1.0502, 1.1076, 30, 24230
 AMER, 2014-08-27,  Funning/Swiatlowski ,  University of Califo,  TRIMBLE 5700,  0220315190,  NP,  TRM41249.00,  12560395,  NONE, 1.0504, 1.1078, 30, 0
 AMER, 2014-08-28,  Funning/Swiatlowski ,  University of Califo,  TRIMBLE 5700,  0220315190,  NP,  TRM41249.00,  12560395,  NONE, 1.051, 1.1084, 30, 0
 AMER, 2014-08-29,  Funning/Swiatlowski ,  University of Califo,  TRIMBLE 5700,  0220315190,  NP,  TRM41249.00,  12560395,  NONE, 1.051, 1.1084, 30, 0
 , 2014-08-30,  ,  ,  ,  ,  ,  ,  ,  , 0, 0, 0, 0
 , 2014-08-31,  ,  ,  ,  ,  ,  ,  ,  , 0, 0, 0, 0
 , 2014-09-01,  ,  ,  ,  ,  ,  ,  ,  , 0, 0, 0, 0
 , 2014-09-02,  ,  ,  ,  ,  ,  ,  ,  , 0, 0, 0, 0
 , 2014-09-03,  ,  ,  ,  ,  ,  ,  ,  , 0, 0, 0, 0
 , 2014-09-04,  ,  ,  ,  ,  ,  ,  ,  , 0, 0, 0, 0
 , 2014-09-06,  ,  ,  ,  ,  ,  ,  ,  , 0, 0, 0, 0
 , 2014-09-07,  ,  ,  ,  ,  ,  ,  ,  , 0, 0, 0, 0
 amer, 2014-09-16,  JLS ,  USGS ,  JAVAD,  00619 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022605,  NONE, 1.1742, 1.2239, 15, 183915
 amer, 2014-09-17,  JLS ,  USGS ,  JAVAD,  00619 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022605,  NONE, 1.1742, 1.2239, 15, 0
 amer, 2014-09-18,  JLS ,  USGS ,  JAVAD,  00619 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022605,  NONE, 1.1742, 1.2239, 15, 0
 amer, 2014-11-03,  JLS ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 1.1661, 1.2159, 15, 145645
 amer, 2014-11-04,  JLS ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 1.1661, 1.2159, 15, 0
 amer, 2014-12-02,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.5688, 1.6149, 15, 173845
 amer, 2014-12-03,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.5688, 1.6149, 15, 0
 amer, 2014-12-04,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.5688, 1.6149, 15, 0
 amer, 2015-01-07,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR520031615,  NONE, 1.457, 1.5039, 15, 0
 amer, 2015-01-08,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR520031615,  NONE, 1.457, 1.5039, 15, 0
 amer, 2015-01-09,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR520031615,  NONE, 1.457, 1.5039, 15, 0
 amer, 2015-10-19,  ELP ,  USGS ,  JAVAD,  00619 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00587,  NONE, 0.8335, 0.8888, 15, 173315
 amer, 2015-10-22,  ELP ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022601,  NONE, 0.7082, 0.7669, 15, 133815
 amer, 2019-06-26,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00459,  NONE, 1.3359, 1.3839, 15, 132345
 amer, 2019-06-28,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00459,  NONE, 1.457, 1.5039, 15, 125915