benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 V209, 1995-09-20,  unknown ,  unknown ,  TRIMBLE 4000SE,  3467,  6.12,  TRM14532.00,  31,  NONE, 1.0274, 0, 30, 16350
 V209, 1995-09-21,  unknown ,  unknown ,  TRIMBLE 4000SE,  3467,  6.12,  TRM14532.00,  28,  NONE, 1.1193, 0, 30, 163030
 v209, 1996-07-10,  JLS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1F00,  ASH700228D,  1068,  NONE, 1.1517, 1.2017, 30, 16480
 v209, 1996-07-11,  JMS ,  USGS ,  ASHTECH,  143 ,  Z-XII3 1F00,  ASH700718B,  11416,  NONE, 1.1459, 1.1959, 30, 161830
 v209 V209_1935_USC&GS, 2000-08-25,  JMS ,   ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993706,  NONE, 0.5287, 0.5946, 30, 162830
 v209 V209_1935_USC&GS, 2000-08-26,  CHS ,   ,  ASHTECH,  801 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.1883, 1.2378, 30, 152030
 v209 V209_1935_USC&GS, 2004-05-18,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE00,  ASH700936D_M,  CR14341,  NONE, 0.5279, 0.5938, 30, 162730
 v209 V209_1935_USC&GS, 2004-05-19,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE00,  ASH700936D_M,  CR14341,  NONE, 0.5279, 0.5938, 30, 0
 v209 V209_1935_USC&GS, 2004-05-20,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE00,  ASH700936D_M,  CR14341,  NONE, 0.5279, 0.5938, 30, 0
 v209 V209_1935_USC&GS, 2004-05-21,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE00,  ASH700936D_M,  CR14341,  NONE, 0.5279, 0.5938, 30, 0