benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 rbyu, 2003-09-17,  WRT ,  USGS ,  ASHTECH,  04582 ,  Z-XII3 CD00,  ASH701945B_M,  CR619992801,  NONE, 1.3965, 1.4439, 30, 155430
 rbyu, 2003-09-19,  WRT ,  USGS ,  ASHTECH,  04582 ,  Z-XII3 CD00,  ASH701945B_M,  CR619992801,  NONE, 1.4126, 1.4599, 30, 173330
 rbyu RUBY_USGS, 2007-09-28,  WRT ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.1955, 1.2449, 30, 1720
 rbyu, 2015-09-14,  JLS ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14330,  NONE, 1.2329, 1.2819, 15, 132945
 rbyu RUBY_USGS, 2015-09-26,  WRT ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA-Unkn,  ASH701945E_M,  CR620022601,  NONE, 1.3137, 1.3619, 15, 17200