benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 dr02, 2021-05-20,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.7.6,  ASH701945B_M,  CR519993706,  NONE, 0.6398, 0.7008, 15, 183830
 dr02, 2021-05-21,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.7.6,  ASH701945B_M,  CR519993706,  NONE, 0.6398, 0.7008, 15, 0
 dr02, 2022-04-11,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  01599,  NONE, 0.7771, 0.8339, 15, 20315