Transmissometer data:

Format - one reading per line, free format, space delimited:

AN-1.0 Year Month Day Hour Minute Second Tran Batt

    Where "AN-1.0"           = Format identifier
          Year,Month,Day     = Date with four digit year
          Hour,Minute,Second = Time (UTC)
          Tran               = Transmissometer voltage
          Batt               = Battery voltage

Sample:
AN-1.0 2010 8 4 1 12 30 1.68172 11.7975