benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 t128, 1999-09-19,  CWW ,   ,  ASHTECH,  174 ,  Z-XII3 CD00,  ASH700936E_C,  CR16376,  NONE, 1.4095, 1.4568, 30, 16130
 t128, 1999-09-22,  WRT ,   ,  ASHTECH,  175 ,  Z-XII3 CD00,  ASH700936E_C,  CR16364,  NONE, 1.3802, 1.4277, 30, 155930
 t128 T128_1934_USC&GS, 2003-06-28,  WCH ,  USGS ,  ASHTECH,  LP02232 ,  Z-XII3 6J00,  ASH701945E_M,  CR620022605,  NONE, 1.245, 1.2939, 30, 153830
 t128 T128_1934_USC&GS, 2003-07-01,  CWW ,  USGS ,  ASHTECH,  02270 ,  Z-XII3 CC00,  ASH700936D_M,  CR14330,  NONE, 1.3218, 1.3699, 30, 154030
 t128 T128_1934_USC&GS, 2008-10-23,  JLS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII 1L00,  ASH701945E_M,  CR520031615,  NONE, 1.1732, 1.2229, 30, 155430
 t128 T128_1934_USC&GS, 2008-10-27,  CHS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH701945E_M,  CR520031622,  NONE, 1.2349, 1.2839, 30, 16160
 t128 T128_1934_USC&GS, 2014-10-22,  JLS ,  USGS ,  JAVAD,  00619 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 0.6813, 0.7408, 15, 162515
 t128 T128_1934_USC&GS, 2014-10-23,  JLS ,  USGS ,  JAVAD,  00619 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14333,  NONE, 0.6813, 0.7408, 15, 0