benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 l298 053_LAK_2.98_CalTran, 2007-08-22,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR520031622,  NONE, 0.7699, 0.8268, 30, 15470
 l298 053_LAK_2.98_CalTran, 2007-08-24,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.3491, 1.3969, 30, 14490
 l298 053_LAK_2.98_CalTran, 2009-02-18,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH700936D_M,  CR14333,  NONE, 1.463, 1.5099, 30, 16470
 l298 053_LAK_2.98_CalTran, 2009-02-19,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945E_M,  CR620022601,  NONE, 1.4358, 1.4829, 30, 17015
 l298 053_LAK_2.98_CalTran, 2011-05-10,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH701945B_M,  CR519993702,  NONE, 1.5447, 1.591, 15, 152315
 l298 053_LAK_2.98_CalTran, 2011-05-11,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR520031622,  NONE, 1.5054, 1.5519, 15, 16015
 l298 053_LAK_2.98_CalTran, 2015-06-25,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022601,  NONE, 0.8171, 0.8728, 15, 145845
 l298 053_LAK_2.98_CalTran, 2015-06-26,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022601,  NONE, 0.8171, 0.8728, 15, 0