benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 vanb VanBremmer_1948_Medic, 1996-09-05,  UC BERKELEY ,   ,  TRIMBLE 4000SSE,  5687,  7.15,  TRM14532.00,  140,  NONE, 1.0239, 0, 30, 300.007
 vanb VanBremmer_1948_Medic, 1996-09-06,  UC BERKELEY ,   ,  TRIMBLE 4000SSE,  5687,  7.15,  TRM14532.00,  140,  NONE, 1.0239, 0, 30, 300.008
 vanb VanBremmer_1948_Medic, 1999-07-30,  UC BERKELEY ,   ,  TRIMBLE 4000SSI,  14797,  7.12,  TRM29659.00,  62108,  NONE, 0.8916, 0, 30, 300.01
 vanb VanBremmer_1948_Medic, 1999-07-31,  UC BERKELEY ,   ,  TRIMBLE 4000SSI,  14797,  7.12,  TRM29659.00,  62108,  NONE, 0.8916, 0, 30, 300.012
 vanb VanBremmer_1948_Medic, 1999-08-01,  UC BERKELEY ,   ,  TRIMBLE 4000SSI,  14797,  7.12,  TRM29659.00,  62108,  NONE, 0.8916, 0, 30, 300.011
 vanb VanBremmer_1948_Medic, 2004-06-05,  Poland/Konfal ,  USGS ,  TRIMBLE 5700,  220320193,  NP,  TRIMBLE_ZEPHYR,  12354183,  NONE, 1.1749, 0, 0, 30
 vanb VanBremmer_1948_Medic, 2004-06-06,  Poland/Konfal ,  USGS ,  TRIMBLE 5700,  220320193,  NP,  TRIMBLE_ZEPHYR,  12354183,  NONE, 1.1749, 0, 0, 30
 vanb VanBremmer_1948_Medic, 2012-07-16,  M. Lisowski ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220320193,  1.30,  TRM41249.00,  unknown,  NONE, 1.2685, 1.3238, 15, 30
 vanb VanBremmer_1948_Medic, 2012-07-17,  M. Lisowski ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220320193,  1.30,  TRM41249.00,  unknown,  NONE, 1.2685, 1.3238, 15, 30
 vanb VanBremmer_1948_Medi, 2010-10-06,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH701945E_M,  CR620022602,  NONE, 1.1975, 1.2469, 15, 0
 vanb VanBremmer_1948_Medi, 2010-10-07,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH701945E_M,  CR620022602,  NONE, 1.1975, 1.2469, 15, 0