benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 boyl, 1994-06-18,  Owen Susan ,  Stanford University ,  TRIMBLE 4000SSE,  3414A05701,  NP,  TRM14532.00,  3012A00106,  NONE, 0.8611, 0, 30, 15590
 boyl, 1994-06-19,  Owen Susan / Yu E.,  Stanford University ,  TRIMBLE 4000SSE,  3414A05701,  NP,  TRM14532.00,  3012A00106,  NONE, 0.7877, 0, 30, 16300
 boyl Boyle_1929_USCGS, 2013-03-12,  JLS ,  USGS ,  JAVAD,  00588 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 0.5825, 0.6459, 15, 163545
 boyl Boyle_1929_USCGS, 2013-03-13,  JLS ,  USGS ,  JAVAD,  00588 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 0.5825, 0.6459, 15, 0
 boyl Boyle_1929_USCGS, 2013-03-14,  JLS ,  USGS ,  JAVAD,  00588 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 0.5825, 0.6459, 15, 0
 boyl Boyle_1929_USCGS, 2013-03-15,  JLS ,  USGS ,  JAVAD,  00588 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 0.5825, 0.6459, 15, 0