5^ 



RESEARCH AND DEVELOPMENT REPORT^ 



REPORT 1135^ 



4 SEPTEMBER 1962^J 



n> 



O 



MEASUREMENT OF ATTENUATION OF 



LOW-FREQUENCY SOUND (5-8 KC/S) 



IN SMALL SAMPLES OF SEA WATER 



P. G. Hansen 



U. S. NAVY ELECTRONICS LABORATORY, SAN DIEGO, CALIFORNIA 



A BUREAU OF SHIPS LABORATORY 



U-0 . \ I 2^ 



