benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 curr, 2003-02-11,  JMS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH701945B_M,  CR619992805,  NONE, 1.458, 1.5049, 30, 164330
 curr, 2003-02-12,  CHS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH700936D_M,  CR14330,  NONE, 1.3753, 1.4229, 30, 16300
 curr Currey_1997_BurOfRec, 2006-02-17,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 1.5003, 1.5469, 30, 16420
 curr Currey_1997_BurOfRec, 2006-02-22,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 1.3834, 1.4309, 30, 17490
 curr Currey_1997_BurOfRec, 2009-03-17,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 1.4126, 1.4599, 30, 154830
 curr Currey_1997_BurOfRec, 2009-03-18,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 1.3965, 1.4439, 30, 15450
 curr Currey_1997_BurOfRec, 2014-11-18,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 0.8673, 0.9219, 15, 0
 curr Currey_1997_BurOfRec, 2014-11-19,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 0.8673, 0.9219, 15, 0