benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 SHELLEY CREEK, 2001-05-22,  UAF/HSU ,  UAF/HSU ,  TRIMBLE 4000SSI,  14634,  NP,  TRM22020.00+GP,  125576,  NONE, 1.7231, 0, 30, 3330
 hp12 HPGN_01-12_1991_Cal_, 2001-07-19,  CHS ,   ,  ASHTECH,  801 ,  Z-XII3 CD00,  ASH701945B_M,  CR619992801,  NONE, 1.3762, 1.4238, 30, 15300
 hp12 HPGN_Calif_Sta_01-12, 2005-06-26,  JLS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH700936D_M,  CR14329,  NONE, 0.4502, 0.5208, 30, 16150
 hp12 HPGN_Calif_Sta_01-12, 2005-06-30,  CHS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.3975, 1.4449, 30, 145530