benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 ptsm, 2017-03-14,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  00457,  NONE, 0.7658, 0.8228, 15, 155345
 ptsm, 2017-04-04,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  01600,  NONE, 0.8243, 0.8798, 15, 15130
 ptsm, 2019-05-08,  ELP ,  USGS ,  JAVAD,  01658 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00585,  NONE, 1.2228, 1.2719, 15, 16140
 ptsm, 2019-05-29,  ELP ,  USGS ,  JAVAD,  01660 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00585,  NONE, 0.6367, 0.6978, 15, 155245
 ptsm, 2021-11-15,  ELP ,  USGS ,  JAVAD,  01658 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00457,  NONE, 0.8007, 0.8568, 15, 165830
 ptsm, 2021-11-17,  ELP ,  USGS ,  JAVAD,  01658 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00457,  NONE, 0.7751, 0.8319, 15, 155830