(b) Filters to permit the selection of low frequency 

 band (usually lower than 500 c.p. s. ) for maximum penetration of 

 the sediments. 



f. Data Recording and Readout: 



(1) Data to be directly read into the Master 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, and oceano- 

 graphic survey ships) - 20 to 40. 



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



c. Certain activities within scientific community - 5 to 10. 



d. U. S. Geological Survey - 2 to 4 . 



e. Comimercial oil companies - Unknown- 

 Total: 37 to 74. 



Recom mendation Where Instrument Should Be Researched and 

 Developed: 



U. S. Industry. 



Relative Importance to U. S. National Oceanographic Program : 



Instrument system priority b. 



II. g. UNDERWATER TELEVISION SYSTEM FOR SEA FLOOR 



INVESTIGATIONS 



Primary Use: 



To be utilized on oceanographic survey ships in coastal and 

 oceanic areas to obtain continuous observations of and to investi- 

 gate the sea floor topography. 



403 



