ADMINISTRATIVE INFORMATION 



Work was performed under S-FOU 02 19, Task 8027 

 (NEL LI -7) by members of the Signal Propagation Division. 

 The report covers the period June 1960 to September 1961 

 and was approved for publication 26 July 1962. 



Acknowledgments are made to E.G. Barham, M, Taylor, 

 and M.M. Sullivan for their study of materials in the water, 

 andtoO.S. Lee, N.G. Litell, A.L. Nelson, J. C. Roque, 

 and H.G. Kiner for setting up the equipment and making the 

 measurements. We are indebted to G. H. Curl for re- 

 viewing the report, and to R. F. Dill for underwater 

 visibility information. 



