benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 plmr Stmpd_PALM, 2001-09-17,  CWW ,   ,  ASHTECH Z-XII3,  02270,  CC00,  ASH701945B_M,  CR519992603,  NONE, 1.3752, 1.4228, 30, 153930
 plmr Stmpd_PALM, 2001-09-23,  APS ,   ,  ASHTECH Z-XII3,  04597,  CC00,  ASH701945B_M,  CR519993706,  NONE, 1.1518, 1.2017, 30, 155930
 plmr PALM_USGS, 2006-09-15,  WRT ,  USGS ,  ASHTECH Z-XII3,  04582,  CD00,  ASH701945B_M,  CR519993703,  NONE, 1.1661, 1.2159, 30, 17400
 plmr PALM_USGS, 2006-09-16,  WRT ,  USGS ,  ASHTECH Z-XII3,  04582,  CD00,  ASH701945B_M,  CR519993703,  NONE, 1.1661, 1.2159, 30, 0
 plmr PALM_USGS, 2010-09-29,  WRT ,  USGS ,  ASHTECH Z-X,  ZE120023208,  ZE210A13,  ASH700936D_M,  CR14341,  NONE, 1.1408, 1.1909, 15, 175745
 plmr PALM_USGS, 2010-09-30,  SAH ,  USGS ,  ASHTECH Z-X,  ZE1200331018,  ZE210A13,  ASH701945E_M,  CR620022602,  NONE, 1.1621, 1.2119, 15, 16045