benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 dr03, 2021-05-20,  ELP ,  USGS ,  JAVAD,  01659 ,  TRE_G3TH SIGMA3.7.6,  ASH701945E_M,  CR520031622,  NONE, 0.7884, 0.8448, 15, 18530
 dr03, 2021-05-21,  ELP ,  USGS ,  JAVAD,  01659 ,  TRE_G3TH SIGMA3.7.6,  ASH701945E_M,  CR520031622,  NONE, 0.7884, 0.8448, 15, 0
 dr03, 2022-04-11,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00580,  NONE, 0.8182, 0.8739, 15, 2020