benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 yegu YEGU_USGS, 2007-03-16,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH700936D_M,  CR14341,  NONE, 1.2309, 1.28, 30, 0
 yegu YEGU_USGS, 2007-03-17,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH700936D_M,  CR14341,  NONE, 1.2309, 1.28, 30, 0
 yegu YEGU_USGS, 2007-03-18,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH700936D_M,  CR14341,  NONE, 1.2309, 1.28, 30, 0
 yegu YEGU_USGS, 2007-03-19,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH700936D_M,  CR14341,  NONE, 1.2309, 1.28, 30, 0
 yegu YEGU_2006_USGS, 2009-05-01,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022602,  NONE, 1.2814, 1.3299, 30, 0
 yegu YEGU_2006_USGS, 2009-05-02,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022602,  NONE, 1.2814, 1.3299, 30, 0
 yegu YEGU_2006_USGS, 2009-05-03,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022602,  NONE, 1.2814, 1.3299, 30, 0
 yegu YEGU_2006_USGS, 2009-05-04,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022602,  NONE, 1.2814, 1.3299, 30, 0
 yegu YEGU_2006_USGS, 2009-05-05,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022602,  NONE, 1.2814, 1.3299, 30, 0
 yegu YEGU_2006_USGS, 2013-06-26,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 1.3208, 1.3689, 15, 0
 yegu YEGU_2006_USGS, 2013-06-27,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 1.3208, 1.3689, 15, 0