benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 a210 A210_stmpd_Polaris_1, 1992-10-05,   ,   ,  TURBOROGUE,  142 ,   ,  AOAD/M_T,  108,  NONE, 0.9145, 0, 30, 155630
 a210 A210_stmpd_Polaris_1, 1996-09-17,  KAS ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1F00,  ASH700228A,  0598,  NONE, 1.1819, 1.2315, 30, 17460
 a210 A210_stmpd_Polaris_1, 1998-09-15,  CHS ,  USGS ,  ASHTECH,  LP03362 ,  Z-XII3 CB00,  ASH700936D_M,  CR14329,  NONE, 1.2762, 1.3248, 30, 154830
 a210 A210_stmpd_Polaris_1, 2002-09-09,  WCH ,  USGS MENLO PARK ,  TRIMBLE,  3616A15408 ,  4000SSI NP,  TRM22020.00+GP,  0220051647,  NONE, 1.3255, 0, 15, 172515
 a210 A210_stmpd_Polaris_1, 2002-09-20,  WRT ,  USGS ,  ASHTECH,  04597 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993702,  NONE, 1.2116, 1.2609, 30, 16830