benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 b290 B290_stmpd_K46_1934_, 1992-10-08,   ,   ,  TURBOROGUE,  115 ,   ,  AOAD/M_T,  115,  NONE, 1.0556, 0, 30, 175330
 b290, 1996-09-20,  CHS ,  USGS ,  ASHTECH,  270 ,  Z-XII3 1E86,  ASH700228A,  1027,  NONE, 1.2594, 1.3081, 30, 154930
 b290, 1998-09-18,  GDH ,  USGS ,  ASHTECH,  175 ,  Z-XII3 CB00,  ASH700936E_C,  CR16376,  NONE, 1.1437, 1.1938, 30, 155830
 b290, 2000-08-18,  CHS ,   ,  ASHTECH,  O4579 ,  Z-XII3 CC00,  ASH701945B_M,  CR619992805,  NONE, 1.2843, 1.3328, 30, 14550
 b290, 2000-08-20,  JLS ,   ,  ASHTECH,  188 ,  Z-XII3 CD00,  ASH701945B_M,  CR619992801,  NONE, 1.1599, 1.2097, 30, 15300
 b290 B290_stmpd_K46_1934_, 2002-09-10,  BW ,  USGS MENLO PARK ,  TRIMBLE,  3407A05141 ,  4000SSE NP,  TRM22020.00+GP,  0220051874,  NONE, 1.202, 0, 30, 153830
 b290 B290_stmpd_K46_1934_, 2002-09-20,  AM ,  USGS MENLO PARK ,  TRIMBLE,  3615A15262 ,  4000SSI NP,  TRM22020.00+GP,  0220051874,  NONE, 1.2522, 0, 30, 154030