benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 01xd 01XD_1998_CalTrans, 1999-10-22,  DJ ,  Central Washington U,  TRIMBLE 4000SSI,  24351,  NP,  TRM29659.00,  38192,  NONE, 1.644, 0, 30, 145830
 01xd 01XD_1998_CalTrans, 1999-10-23,  DJ ,  Central Washington U,  TRIMBLE 4000SSI,  24351,  NP,  TRM29659.00,  38192,  NONE, 1.644, 0, 30, 15
 01xd 01XD_1998_CalTrans, 1999-10-24,  DJ ,  Central Washington U,  TRIMBLE 4000SSI,  24351,  NP,  TRM29659.00,  38192,  NONE, 1.644, 0, 30, 15
 HPGN-D 01XD, 2001-05-21,  UAF/HSU ,  UAF/HSU ,  TRIMBLE 4000SSI,  14634,  NP,  TRM22020.00+GP,  125576,  NONE, 1.8573, 0, 30, 18550
 HPGN-D 01XD, 2001-05-22,  UAF/HSU ,  UAF/HSU ,  TRIMBLE 4000SSI,  14634,  NP,  TRM22020.00+GP,  125576,  NONE, 1.8805, 0, 30, 15460
 01xd 01XD_1998_CalTrans, 2001-07-20,  JLS ,   ,  ASHTECH,  O4582 ,  Z-XII3 CD00,  ASH701945B_M,  CR619992805,  NONE, 1.1751, 1.2248, 30, 15420
 01xd 01XD_1998_CalTrans, 2005-06-27,  CHS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.4207, 1.4679, 30, 154330
 01xd 01XD_1998_CalTrans, 2005-06-28,  GDH ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE21,  ASH701945B_M,  CR519993703,  NONE, 1.2945, 1.3429, 30, 155830