benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 h301 H301_1236_1932_USGS, 2016-10-27,  ELP ,  USGS ,  JAVAD TRE_G3TH,  00621,  SIGMA3.3.1,  JAVRINGANT_DM,  00580,  NONE, 0.5825, 0.6459, 15, 0
 h301 H301_1236_1932_USGS, 2005-12-04,  GDH ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945E_M,  CR520031615,  NONE, 1.2066, 1.2559, 30, 18110
 h301 H301_1236_1932_USGS, 2005-12-05,  GDH ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945E_M,  CR520031615,  NONE, 1.1783, 1.2279, 30, 174930
 h301 H301_1236_1932_USGS, 2005-12-07,  GDH ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.1955, 1.2449, 30, 171730
 h301 H301_1236_1932_USGS, 2006-08-26,  GDH ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH701945E_M,  CR520031622,  NONE, 1.156, 1.2059, 30, 1680
 h301 H301_1236_1932_USGS, 2006-08-27,  GDH ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH701945E_M,  CR520031622,  NONE, 1.1691, 1.2188, 30, 1620
 h301 H301_1236_1932_USGS, 2007-08-21,  GDH ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII 1L00,  ASH701945B_M,  CR619992801,  NONE, 1.1469, 1.1969, 30, 1690
 h301 H301_1236_1932_USGS, 2007-08-23,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.1934, 1.2428, 30, 15330
 h301 H301_1236_1932_USGS, 2008-08-03,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945B_M,  CR519993706,  NONE, 1.247, 1.2959, 30, 16930
 h301 H301_1236_1932_USGS, 2008-08-04,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH701945E_M,  CR620022602,  NONE, 1.1722, 1.2219, 30, 153530
 h301 H301_1236_1932_USGS, 2010-07-21,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.1428, 1.1929, 15, 15645
 h301 H301_1236_1932_USGS, 2010-07-22,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.1499, 1.1999, 15, 15115
 h301 H301_1236_1932_USGS, 2016-10-25,  ELP ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00580,  NONE, 0.5825, 0.6459, 15, 155015
 h301 H301_1236_1932_USGS, 2016-10-26,  ELP ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00580,  NONE, 0.5825, 0.6459, 15, 0