benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 f067, 1999-09-18,  JJB ,   ,  ASHTECH Z-XII3,  192,  CD00,  ASH700936D_M,  CR14333,  NONE, 0.7523, 0.8097, 30, 16230
 f067, 1999-09-22,  JJB ,  USGS ,  ASHTECH Z-XII3,  192,  CD00,  ASH700936D_M,  CR14333,  NONE, 0.8088, 0.8647, 30, 153130
 f067 F067_F67_1934_USC&GS, 2008-09-18,  JMS ,  USGS ,  ASHTECH Z-XII,  LP020000801,  1L00,  ASH701945E_M,  CR520031626,  NONE, 1.3864, 1.4339, 30, 1630
 f067 F067_F67_1934_USC&GS, 2008-09-20,  JMS ,  USGS ,  ASHTECH Z-X,  ZE120023202,  ZE21,  ASH700936D_M,  CR14341,  NONE, 1.3571, 1.4049, 30, 15570
 f067 F067_F67_1934_USC&GS, 2013-09-15,  JMS ,  USGS ,  ASHTECH Z-X,  ZE1200526028,  ZE210A13,  ASH701945E_M,  CR520031626,  NONE, 1.2753, 1.3238, 15, 16615