benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 dr09, 2021-05-20,  JLS ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.7.6,  ASH700936D_M,  CR14330,  NONE, 0.8325, 0.8879, 15, 191715
 dr09, 2021-05-21,  JLS ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.7.6,  ASH700936D_M,  CR14330,  NONE, 0.8325, 0.8879, 15, 0
 dr09, 2022-04-12,  ELP ,  USGS ,  JAVAD,  00588 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00457,  NONE, 0.8182, 0.8739, 15, 153815