benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 drvl, 2016-07-14,  JLS ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.5.9,  ASH700936D_M,  CR14330,  NONE, 0.903, 0.9569, 15, 145145
 drvl, 2016-07-17,  ELP ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.3.1,  ASH701945B_M,  CR519993703,  NONE, 0.8335, 0.8888, 15, 133845
 drvl, 2018-06-20,  JLS ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.5.1,  ASH701945B_M,  CR619992805,  NONE, 1.243, 1.2919, 15, 152815
 drvl, 2018-07-17,  ELP ,  USGS ,  JAVAD,  00618 ,  TRE_G3TH SIGMA3.6.9,  JAVRINGANT_DM,  01599,  NONE, 1.1945, 1.2439, 15, 131415
 drvl, 2021-07-09,  JLS ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  ASH700936D_M,  CR14244,  NONE, 1.2036, 1.2529, 15, 145345
 drvl, 2021-08-18,  JLS ,  USGS ,  JAVAD,  01658 ,  TRE_G3TH SIGMA3.7.6,  ASH700936D_M,  CR14244,  NONE, 1.1691, 1.2188, 15, 145315