benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 0111-1, 2001-05-21,  UAF/HSU ,  UAF/HSU ,  TRIMBLE 4000SSI,  25543,  NP,  TRM22020.00+GP,  50481,  NONE, 1.6834, 0, 30, 161630
 0111-2, 2001-05-22,  UAF/HSU ,  UAF/HSU ,  TRIMBLE 4000SSI,  25543,  NP,  TRM22020.00+GP,  50481,  NONE, 1.6309, 0, 30, 15730
 h111 HPGN_01-11_1991_Cal_, 2001-07-18,  JMS ,   ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14244,  NONE, 1.4428, 1.4898, 30, 16170
 h111 HPGN_01-11_1991_CalT, 2005-06-25,  CHS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.3481, 1.3959, 30, 15530
 h111 HPGN_01-11_1991_Cal_, 2005-06-26,  GDH ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE21,  ASH701945B_M,  CR519993703,  NONE, 1.1843, 1.2338, 30, 15580