benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 metc Metcalf_1947_USCGS, 2005-11-17,  JLS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.1742, 1.2239, 30, 0
 metc Metcalf_1947_USCGS, 2017-03-13,  ELP ,  USGS ,  JAVAD,  01657 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  01599,  NONE, 0.6761, 0.7358, 15, 1800
 metc Metcalf_1947_USCGS, 2017-03-14,  ELP ,  USGS ,  JAVAD,  01657 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  01599,  NONE, 0.6761, 0.7358, 15, 0
 metc Metcalf_1947_USCGS, 2017-03-15,  ELP ,  USGS ,  JAVAD,  01657 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  01599,  NONE, 0.6761, 0.7358, 15, 0
 metc Metcalf_1947_USCGS, 2017-03-16,  ELP ,  USGS ,  JAVAD,  01657 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  01599,  NONE, 0.6761, 0.7358, 15, 0
 metc Metcalf_1947_USCGS, 2023-09-05,  ELP ,  USGS ,  JAVAD,  01660 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00459,  NONE, 0.6357, 0.6969, 15, 16590
 metc Metcalf_1947_USCGS, 2023-09-06,  ELP ,  USGS ,  JAVAD,  01660 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00459,  NONE, 0.6357, 0.6969, 15, 0
 metc Metcalf_1947_USCGS, 2023-09-07,  ELP ,  USGS ,  JAVAD,  01660 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00459,  NONE, 0.6357, 0.6969, 15, 0
 metc Metcalf_1947_USCGS, 2023-09-08,  ELP ,  USGS ,  JAVAD,  01660 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00459,  NONE, 0.6357, 0.6969, 15, 0