benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 e300, 1996-09-24,  JMS ,  USGS ,  ASHTECH Z-XII3,  345,  1G00,  unknown,  *177,  NONE, 1.1326, 0, 30, 235959.947
 e300, 1996-09-26,  KAS ,  USGS ,  ASHTECH Z-XII3,  4600,  1F00,  ASH700228D,  1036,  NONE, 1.0752, 1.1262, 30, 235959.959
 e300, 1996-09-27,  KAS ,  USGS ,  ASHTECH Z-XII3,  4600,  1F00,  ASH700228D,  1036,  NONE, 1.0752, 1.1262, 30, 235959.877
 e300 E300_USGS, 1992-10-13,   ,   ,  TURBOROGUE,  107 ,   ,  AOAD/M_T,  107,  NONE, 0.8141, 0, 30, 173930
 e300 E300_USGS, 1992-10-14,   ,   ,  TURBOROGUE,  107 ,   ,  AOAD/M_T,  107,  NONE, 0.8141, 0, 30, 0
 e300 E300_USGS, 1992-10-15,   ,   ,  TURBOROGUE,  107 ,   ,  AOAD/M_T,  107,  NONE, 0.956, 0, 30, 0
 e300 E300_USGS, 1992-10-16,   ,   ,  TURBOROGUE,  107 ,   ,  AOAD/M_T,  107,  NONE, 0.9794, 0, 30, 0
 e300, 1996-09-23,  JMS ,  USGS ,  ASHTECH,  345 ,  Z-XII3 1G00,  unknown,  *177,  NONE, 1.1326, 0, 30, 15330
 e300, 1996-09-25,  KAS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1F00,  ASH700228D,  1036,  NONE, 1.0752, 1.1262, 30, 14570
 e300, 1998-09-21,  JMS ,  USGS ,  ASHTECH,  192 ,  Z-XII3 CB00,  ASH700936E_C,  CR16116,  NONE, 1.169, 1.2188, 30, 154930
 e300, 1998-09-22,  JMS ,  USGS ,  ASHTECH,  192 ,  Z-XII3 CB00,  ASH700936E_C,  CR16116,  NONE, 1.169, 1.2188, 30, 30
 e300, 1998-09-23,  CHS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 CB00,  ASH700936D_M,  CR14329,  NONE, 1.168, 1.2178, 30, 144630
 e300, 1998-09-24,  CHS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 CB00,  ASH700936D_M,  CR14329,  NONE, 1.168, 1.2178, 30, 10
 e300 E300_USGS, 2002-09-13,  JMS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII3 CD00,  ASH700936D_M,  CR14330,  NONE, 1.0698, 1.1208, 30, 16500
 e300 E300_USGS, 2002-09-14,  JMS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII3 CD00,  ASH700936D_M,  CR14330,  NONE, 1.0698, 1.1208, 30, 10
 e300 E300_USGS, 2002-09-17,  WCH ,  USGS MENLO PARK ,  TRIMBLE,  3307A02532 ,  4000SSE NP,  TRM22020.00+GP,  0220051647,  NONE, 1.1478, 0, 30, 144030
 e300 E300_USGS, 2002-09-18,  WCH ,  USGS MENLO PARK ,  TRIMBLE,  3307A02532 ,  4000SSE NP,  TRM22020.00+GP,  0220051647,  NONE, 1.1478, 0, 30, 130
 e300 E300_USGS, 2002-09-19,  WCH ,  USGS MENLO PARK ,  TRIMBLE,  3307A02532 ,  4000SSE NP,  TRM22020.00+GP,  0220051647,  NONE, 1.1478, 0, 30, 130
 e300 E300_USGS, 2002-09-20,  WCH ,  USGS MENLO PARK ,  TRIMBLE,  3307A02532 ,  4000SSE NP,  TRM22020.00+GP,  0220051647,  NONE, 1.1478, 0, 30, 130