benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 me15, 2018-10-16,  JMN ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  00488,  NONE, 0.6751, 0.7349, 15, 175430
 me15, 2018-10-17,  JMN ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  00488,  NONE, 0.6751, 0.7349, 15, 0
 me15, 2021-05-19,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.7.6,  ASH701945B_M,  CR519993703,  NONE, 0.7185, 0.7769, 15, 15440
 me15, 2021-05-20,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.7.6,  ASH701945B_M,  CR519993703,  NONE, 0.7185, 0.7769, 15, 0
 ME15, 2022-03-22,  JLS ,  USGS ,  TRIMBLE,  4927175164 ,  NETRS 1.3-2,  TRM115000.10,  3121179188,  NONE, 0.7127, 0, 15, 0
 me15, 2023-06-08,  ELP ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  01600,  NONE, 0.7247, 0.7829, 15, 165615
 me15, 2023-06-09,  ELP ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  01600,  NONE, 0.735, 0.7929, 15, 15420