NAVAL UNDERSEA WARFARE CENTER 



An activity of the Naval Material Command 

 G. H. Lowe, Capt, USN Wm. B. McLean, Ph.D. 



Commander Technical Director 



The work was done under SR 104 03 01, Task 0580 

 (NEL L40471). This report covers work from October 1958 

 to March 1967 and was approved for publication 8 Feb- 

 ruary 1968. The author wishes to acknowledge the help of 

 J, R, Olson and P. G. Hansen in the selection of electronic 

 equipment, and of W. C. McSparron, P. E. Parnell, and 

 M. W. Cooke in mechanical design and construction. 



Released by Under authority of 



E. C. LaFond, Head G. H. Curl, Head 



Marine Environment Ocean Sciences Department 

 Division 



The distribution control point for this report is NUWC, 

 San Diego, California. 



