benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 blcr Bluff_Creek_Bridge, 1999-10-22,  DJ ,  Central Washington U,  TRIMBLE 4000SSI,  24595,  NP,  TRM29659.00,  38198,  NONE, 1.651, 0, 30, 14540
 blcr Bluff_Creek_Bridge, 1999-10-23,  DJ ,  Central Washington U,  TRIMBLE 4000SSI,  24595,  NP,  TRM29659.00,  38198,  NONE, 1.651, 0, 30, 15
 blcr Bluff_Creek_Bridge, 1999-10-24,  DJ ,  Central Washington U,  TRIMBLE 4000SSI,  24595,  NP,  TRM29659.00,  38198,  NONE, 1.651, 0, 30, 15
 BLUFF CREEK, 2001-05-23,  UAF/HSU ,  UAF/HSU ,  TRIMBLE 4000SSI,  14634,  NP,  TRM22020.00+GP,  125576,  NONE, 1.8261, 0, 30, 15330
 blcr Bluff_Creek_Bridge, 2001-05-25,  UAF/HSU ,  UAF/HSU ,  TRIMBLE 4000SSI,  14634,  NP,  TRM22020.00+GP,  125576,  NONE, 1.861, 0, 30, 16630