benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 me18, 2018-10-16,  JMN ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.6.9,  JAVRINGANT_DM,  00585,  NONE, 0.6554, 0.7158, 15, 165615
 me18, 2018-10-17,  JMN ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.6.9,  JAVRINGANT_DM,  00585,  NONE, 0.6554, 0.7158, 15, 0
 me18, 2021-05-19,  JLS ,  USGS ,  JAVAD,  00588 ,  TRE_G3TH SIGMA3.7.6,  ASH701945E_M,  CR520031615,  NONE, 0.7494, 0.8069, 15, 16245
 me18, 2021-05-20,  JLS ,  USGS ,  JAVAD,  00588 ,  TRE_G3TH SIGMA3.7.6,  ASH701945E_M,  CR520031615,  NONE, 0.7494, 0.8069, 15, 0
 ME18, 2022-03-23,  JLS ,  USGS ,  TRIMBLE,  4927175164 ,  NETRS 1.3-2,  TRM115000.10,  3121179188,  NONE, 0.7024, 0, 15, 0
 me18, 2023-06-08,  ELP ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00580,  NONE, 0.7236, 0.7818, 15, 16200
 me18, 2023-06-09,  ELP ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00580,  NONE, 0.7236, 0.7818, 15, 0