benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 eng8 English_1948, 1999-07-24,  UC BERKELEY ,   ,  TRIMBLE 4000SSI,  5699,  7.29,  TRM22020.00+GP,  18931,  NONE, 1.2388, 0, 30, 16590
 eng8 English_1948_USCGS, 2012-11-30,  JLS ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14330,  NONE, 1.0901, 1.1409, 15, 185515
 eng8 English_1948_USCGS, 2012-12-01,  JLS ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14330,  NONE, 1.0901, 1.1409, 15, 0
 eng8 English_1948_USCGS, 2012-12-02,  JLS ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14330,  NONE, 1.0901, 1.1409, 15, 0
 eng8 English_1948_USCGS, 2012-12-03,  JLS ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14330,  NONE, 1.0901, 1.1409, 15, 0