NAVAL OCEAN SYSTEMS CENTER, SAN DIEGO, CA 92152 



AN ACTIVITY OF THE NAVAL MATERIAL COMMAND 

 SLGUILLE.CAPT, USN HL BLOOD 



Commander 



Technical Director 



ADMINISTRATIVE INFORMATION 



Work was performed during the period 1980-1981 under Program Element 63795N, 

 (NOSC 724-STl 1), "Shallow Water SVP and Optimum Frequency Assessment." Principal 

 Investigator was J. A. Whitney. This work was sponsored by the Naval Ocean Research 

 and Development Activity, Code 520. Program Manager was B. N. Wheatly. 



Released by 

 M. R. Akers, Head 

 Systems Concepts and 

 Analysis Division 



Under authority of 



E. B.Tunstall,Head 



Surveillance Systems 



Department 



ACKNOWLEDGEMENTS 



The authors wish to express their appreciation to Dr. E. L. Hamilton for his tech- 

 nical assistance, to M. A. Pedersen for his technical advice and review and to R. A. Creswell 

 for her assistance with the computer data. 



