benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 dmsh, 2000-09-23,  unknown ,  CVO ,  TRIMBLE 4000SSI,  16417,  NP,  TRM29659.00,  66915,  NONE, 1.0616, 0, 30, 30
 dmsh, 2000-09-24,  unknown ,  CVO ,  TRIMBLE 4000SSI,  16417,  NP,  TRM29659.00,  66915,  NONE, 1.0616, 0, 30, 30
 dmsh, 2000-09-25,  unknown ,  CVO ,  TRIMBLE 4000SSI,  16417,  NP,  TRM29659.00,  66915,  NONE, 1.0616, 0, 30, 30
 dmsh, 2003-08-16,  ML ,  USGS/Cascades Volcan,  TRIMBLE,  0220273277 ,  5700 NP,  TRM41249.00,  12299975,  NONE, 0.6524, 0.7171, 30, 30
 dmsh, 2003-08-17,  ML ,  USGS/Cascades Volcan,  TRIMBLE,  0220273277 ,  5700 NP,  TRM41249.00,  12299975,  NONE, 0.6524, 0.7171, 30, 30