benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 crcr, 2006-07-28,  KA ,  USGS/Cascades Volcan,  TRIMBLE,  0220292018 ,  5700 NP,  TRM41249.00,  60091058,  NONE, 1.1982, 1.2541, 15, 154245
 crcr, 2006-07-29,  KA ,  USGS/Cascades Volcan,  TRIMBLE,  0220292018 ,  5700 NP,  TRM41249.00,  60091058,  NONE, 1.1982, 1.2541, 15, 30
 crcr, 2006-07-30,  KA ,  USGS/Cascades Volcan,  TRIMBLE,  0220292018 ,  5700 NP,  TRM41249.00,  60091058,  NONE, 1.1982, 1.2541, 15, 30
 crcr, 2006-07-31,  KA ,  USGS/Cascades Volcan,  TRIMBLE,  0220292018 ,  5700 NP,  TRM41249.00,  60091058,  NONE, 1.1982, 1.2541, 15, 30