benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 0410 HPGN_CALIF_Sta_04-10, 2007-06-26,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945E_M,  CR520031622,  NONE, 1.3975, 1.4449, 30, 151830
 0410 HPGN_CALIF_Sta_04-10, 2007-06-27,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945E_M,  CR520031622,  NONE, 1.3319, 1.3799, 30, 151530
 0410 HPGN_CALIF_Sta_04-10, 2009-01-21,  CHS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.3703, 1.4179, 30, 163030
 0410 HPGN_CALIF_Sta_04-10, 2009-01-22,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022601,  NONE, 1.3763, 1.4239, 30, 1700
 0410 HPGN_CALIF_Sta_04-10, 2011-06-04,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.3824, 1.43, 15, 144945
 0410 HPGN_CALIF_Sta_04-10, 2011-06-05,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.3541, 1.4019, 15, 151545
 0410 HPGN_CALIF_Sta_04-10, 2014-08-27,  JLS ,  USGS ,  JAVAD,  00618 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14329,  NONE, 0.8938, 0.9478, 15, 133045
 0410 HPGN_CALIF_Sta_04-10, 2014-08-28,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022602,  NONE, 1.346, 1.3939, 15, 16915
 0410 HPGN_CALIF_Sta_04-10, 2014-09-09,  JLS ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00574,  NONE, 1.2814, 1.3299, 15, 134115
 0410 HPGN_CALIF_Sta_04-10, 2014-11-06,  JLS ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  ASH701945B_M,  CR519993706,  NONE, 1.241, 1.2899, 15, 15215