Accuracy: Lying-to Mode: 

 ±1/4% full 

 scale 

 The depth sensor modules should be interchangeable. 



f. Data recording and Readout : 



(1) Visual analog at the instrument. 



(2) Data from this instrument must be an input into the Mas- 

 ter Shipboard Data Logging and Processing System. 



Potential Users and Estimated Number of Units Which They May 

 Require: 



a. U. S. Navy (basic research, applied research, hydrograph- 

 ic-oceanographic survey ships) - 20 to 40. 



b. U. S. Coast and Geodetic Survey - 10 to 20. 



c. Certain activities within scientific community - 10 to 20. 



d. National Aeronautics and Space Agency - Unknown. 



Total: 40 to 80. 



Recommendation Where Instrument Should Be Researched and 

 Developed: 



U. S. Industry. 



Relative Importance to U. S. National Oceanographic Program: 



Individual instrument/equipment priority 8. 



I.i. SELF-CONTAINED, DEEP-DIVING OCEANOGRAPHIC 



SENSING INSTRUMENT 



Primary Use: 



This instrument shall be designed for utilization fronn oceano- 

 graphic survey ships to allow the measurement and recording of cer- 

 tain key oceanographic data simultaneously with other underway or 



374 



