benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 syca SYCAMORE_1958_USGS, 2007-01-24,  GDH ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945B_M,  CR519993706,  NONE, 0.617, 0.6789, 30, 0
 syca SYCAMORE_1958_USGS, 2007-01-25,  GDH ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945B_M,  CR519993706,  NONE, 0.617, 0.6789, 30, 0
 syca SYCAMORE_1958_USGS, 2007-01-26,  GDH ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945B_M,  CR519993706,  NONE, 0.617, 0.6789, 30, 0
 syca SYCAMORE_1958_USGS, 2010-05-20,  JLS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 0.7741, 0.8309, 15, 173145
 syca SYCAMORE_1958_USGS, 2010-05-21,  JLS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 0.7741, 0.8309, 15, 0
 syca SYCAMORE_1958_USGS, 2010-05-22,  JLS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 0.7741, 0.8309, 15, 0
 syca SYCAMORE_1958_USGS, 2011-10-18,  JLS ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 0.6947, 0.7538, 15, 173745
 syca SYCAMORE_1958_USGS, 2011-10-19,  JLS ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 0.6947, 0.7538, 15, 0
 syca SYCAMORE_1958_USGS, 2011-10-20,  JLS ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 0.6947, 0.7538, 15, 0