TN- ni'f- 



Technical Note N-1284 



ANALYSIS OF THE CONDITION OF ECHO TOWER, 

 AZORES FIXED ACOUSTIC RANGE, AFTER ONE 

 YEAR AT 1500 FEET OF DEPTH 



By 



James F. Jenkins 



(viay 1973 



Approved for public release; 

 distribution unlimited. 



Naval Civil Engineering Laboratory 

 Port Hueneme, California 93043 





