benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 hlnb Hollenbeck_1948_Medic, 1996-09-04,  UC BERKELEY ,   ,  TRIMBLE 4000SSE,  5685,  7.15,  TRM14532.00,  136,  NONE, 1.076, 0, 30, 18930
 hlnb Hollenbeck_1948_Medic, 1996-09-05,  UC BERKELEY ,   ,  TRIMBLE 4000SSE,  5685,  7.15,  TRM14532.00,  136,  NONE, 1.076, 0, 30, 3029.999
 hlnb Hollenbeck_1948_Medic, 1996-09-06,  UC BERKELEY ,   ,  TRIMBLE 4000SSE,  5685,  7.15,  TRM14532.00,  136,  NONE, 1.076, 0, 30, 3029.998
 hlnb Hollenbeck_1948_Medic, 1999-07-28,  UC BERKELEY ,   ,  TRIMBLE 4000SSE,  5698,  7.29,  TRM22020.00+GP,  98672,  NONE, 0.94, 0, 30, 165430
 hlnb Hollenbeck_1948_Medic, 1999-07-29,  UC BERKELEY ,   ,  TRIMBLE 4000SSE,  5698,  7.29,  TRM22020.00+GP,  98672,  NONE, 0.94, 0, 30, 300.003
 hlnb Hollenbeck_1948_Medic, 1999-07-30,  UC BERKELEY ,   ,  TRIMBLE 4000SSE,  5698,  7.29,  TRM22020.00+GP,  98672,  NONE, 0.94, 0, 30, 300.003
 hlnb Hollenbeck_1948_Medic, 1999-07-31,  UC BERKELEY ,   ,  TRIMBLE 4000SSE,  5698,  7.29,  TRM22020.00+GP,  98672,  NONE, 0.94, 0, 30, 300.004
 HOLLENBECK, 2004-06-09,  Poland/Fein ,  USGS ,  TRIMBLE 5700,  220320153,  NP,  TRIMBLE_ZEPHYR,  12560523,  NONE, 1.0905, 0, 0, 1670
 HOLLENBECK, 2004-06-10,  Poland/Fein ,  USGS ,  TRIMBLE 5700,  220320153,  NP,  TRIMBLE_ZEPHYR,  12560523,  NONE, 1.0905, 0, 0, 30
 HOLLENBECK, 2004-06-11,  Poland/Fein ,  USGS ,  TRIMBLE 5700,  220320153,  NP,  TRIMBLE_ZEPHYR,  12560523,  NONE, 1.0905, 0, 0, 30
 hlnb Hollenbeck_1948_Medic, 2012-07-15,  M. Lisowski ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220320138,  2.01,  TRM41249.00,  60194583,  NONE, 0.8248, 0.8856, 15, 30
 hlnb Hollenbeck_1948_Medic, 2012-07-16,  M. Lisowski ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220320138,  2.01,  TRM41249.00,  60194583,  NONE, 0.8248, 0.8856, 15, 30
 hlnb Hollenbeck_1948_Medi, 2003-06-30,  Poland ,  USGS/Cascades Volcan,  TRIMBLE,  16418 ,  4000SSI NP,  TRM29659.00,  66915,  NONE, 0.9653, 0, 30, 16340