benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 pope POPE_USGS, 2011-06-15,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 1.2875, 1.336, 15, 152115
 pope POPE_USGS, 2011-06-22,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH701945E_M,  CR520031622,  NONE, 1.3006, 1.3489, 15, 153715
 pope POPE_USGS, 2014-08-26,  JLS ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022601,  NONE, 0.7504, 0.8078, 15, 162045
 pope POPE_USGS, 2014-08-27,  JLS ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022601,  NONE, 0.7504, 0.8078, 15, 0
 pope POPE_USGS, 2014-08-28,  JLS ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022601,  NONE, 0.7504, 0.8078, 15, 0
 pope POPE_USGS, 2014-08-29,  JLS ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022601,  NONE, 0.7504, 0.8078, 15, 0