benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 04kj HPGN_CALIF_Sta_04-KJ_, 2007-05-30,  JMS ,  USGS ,  ASHTECH Z-X,  ZE1200331018,  ZE21,  ASH700936D_M,  CR14244,  NONE, 1.5044, 1.5509, 30, 163440
 04kj HPGN_CALIF_Sta_04-KJ_, 2007-06-28,  JMS ,  USGS ,  ASHTECH Z-X,  ZE120023204,  ZE21,  ASH700936D_M,  CR14329,  NONE, 1.4983, 1.5449, 30, 155230
 04kj HPGN_CALIF_Sta_04-KJ_, 2009-01-21,  JMS ,  USGS ,  ASHTECH Z-X,  ZE1200331017,  ZE21,  ASH701945E_M,  CR620022601,  NONE, 1.6765, 1.7219, 30, 16420
 04kj HPGN_CALIF_Sta_04-KJ_, 2009-01-28,  JMS ,  USGS ,  ASHTECH Z-X,  ZE120023208,  ZE21,  ASH700936D_M,  CR14330,  NONE, 1.7469, 1.7919, 30, 16440
 04kj HPGN_CALIF_Sta_04-KJ_, 2011-05-05,  JMS ,  USGS ,  ASHTECH Z-X,  ZE1200331018,  ZE210A13,  ASH701945E_M,  CR620022602,  NONE, 1.6534, 1.6989, 15, 165815
 04kj HPGN_CALIF_Sta_04-KJ_, 2011-06-04,  JMS ,  USGS ,  ASHTECH Z-X,  ZE1200526028,  ZE210A13,  ASH701945E_M,  CR620022602,  NONE, 1.7127, 1.7579, 15, 16915
 04kj HPGN_CALIF_Sta_04-KJ_, 2014-08-27,  JLS ,  USGS ,  JAVAD TRE_G3TH,  00620,  SIGMA3.3.1,  ASH701945B_M,  CR619992805,  NONE, 1.8887, 1.933, 15, 16045
 04kj HPGN_CALIF_Sta_04-KJ_, 2014-08-28,  JLS ,  USGS ,  JAVAD TRE_G3TH,  00618,  SIGMA3.3.1,  ASH700936D_M,  CR14329,  NONE, 1.5044, 1.5509, 15, 141915
 04kj HPGN_CALIF_Sta_04-KJ_, 2014-08-29,  JLS ,  USGS ,  JAVAD TRE_G3TH,  00618,  SIGMA3.3.1,  ASH700936D_M,  CR14329,  NONE, 1.5044, 1.5509, 15, 0
 04kj HPGN_CALIF_Sta_04-KJ_, 2014-09-11,  JLS ,  USGS ,  JAVAD TRE_G3TH,  00620,  SIGMA3.3.1,  JAVRINGANT_DM,  00574,  NONE, 1.6101, 1.6559, 15, 142345
 04kj HPGN_CALIF_Sta_04-KJ_, 2014-11-05,  JLS ,  USGS ,  JAVAD TRE_G3TH,  00621,  SIGMA-Unknown-,  ASH700936D_M,  CR14333,  NONE, 1.3874, 1.4349, 15, 154045
 04kj HPGN_CALIF_Sta_04-KJ_, 2014-11-06,  JLS ,  USGS ,  JAVAD TRE_G3TH,  00621,  SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 1.3874, 1.4349, 15, 0