benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 nwcl, 2010-08-10,  ML ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220263478,  1.04,  TRM41249.00,  60250939,  NONE, 1.2143, 1.27, 15, 22370
 nwcl, 2010-08-11,  ML ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220263478,  1.04,  TRM41249.00,  60250939,  NONE, 1.2143, 1.27, 15, 30
 nwcl, 2010-08-12,  ML ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220263478,  1.04,  TRM41249.00,  60250939,  NONE, 1.2143, 1.27, 15, 30