benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 71re, 2019-07-06,  TDE ,  USGS ,  TRE_G3TH SIGMA3.7.6,  JAVAD,  Apr, 2019, 08,  00574, 0, 0, 0.6865, 0.7459
 71re, 2019-07-07,  TDE ,  USGS ,  TRE_G3TH SIGMA3.7.6,  JAVAD,  Apr, 2019, 08,  00574, 0, 0, 0.6865, 0.7459
 71re, 2019-07-08,  TDE ,  USGS ,  TRE_G3TH SIGMA3.7.6,  JAVAD,  Apr, 2019, 08,  00574, 0, 0, 0.6865, 0.7459