APPENDIX A - MODES AND VARIABLES MEASURED 



1 , Mode 1 Variables 



Channel 1 Time 



2 Day of Year, Octant, Latitude 



3 Latitude, Longitude 



4 Transducer Depth 



5 Sound Velocity 



6 Sea Water Temperature 



2. Mode 2 Variables 



Channel 1 Time 



2 Ambient Light 



3 Speed 



4 Transducer Depth 



5 Sound Velocity 



6 Sea Water Temperature 



3. Mode 3 Variables 



Channel 6 Waves (distance to surface) 



Two digits of roll or heave may eventually be included 

 replacing zeros in Mode 3 example on page 14, 



23 



