NDRC: THE DIVISIONS, PANELS AND COMMITTEES 9I 



as the "Weasel," and a modified amphibious "Weasel" for the use of rescue 

 parties in mud, swamps and other difficult terrain. In addition, the division 

 operated a large model basin where tests were made on the turning character- 

 istics of naval vessels, on marine propulsion problems and on power boat hull 

 design. 

 Authorizations: 



January i, 1943, to June 30, 1943 $1,400,929.12 



July I, 1943, to June 30, 1944 $ 690,740.00 



July I, 1944, to June 30, 1945 $ 107,696.94 



Division 13 



Title: Electrical Communication 



C. B. JoUiffe, Chief, December 9, 1942 — April 21, 1944 

 Haraden Pratt, Acting Chief, April 21, 1944 — February 10, 1945 

 , Chief, February 10, 1945 — June 30, 1946 



Section 13. i Direction Finding (December 9, 1942 — July 6, 1944) 



Loren F. Jones, Chief 

 Section 13.2 Radio Propagation Problems (December 9, 1942 — July 6, 



1944) 

 J. H. Dellinger, Chief 



Section 13.3 Secrecy (December 9, 1942 — July 6, 1944) 



R. K. Potter, Chief 

 Section 13.4 Special Communications Problems (December 9, 1942 — 

 July 6, 1944) 



C. A. Priest, Chief, December 9, 1942 — September 25, 1943 

 Section 13.5 Precipitation Static (December 9, 1942 — July 6, 1944) 



Haraden Pratt, Chief 

 Section 13.6 Miscellaneous (December 9, 1942 — July 6, 1944) 



D. G. Litde, Chief 



Section 13.7 Systems (February 23, 1943 — July 6, 1944) 

 A. B. Clark, Chief 



The principal activities of Division 13 were in the field of direction find- 

 ing, radio propagation, speech secrecy, very high-frequency transmission 

 and technical problems of communications system layout and organization. 



Authorizations : 



January i, 1943, to June 30, 1943 $ 751,304.00 



July I, 1943, to June 30, 1944 % 663,344.30 



July I, 1944, to June 30, 1945 $ 597»73i-37 



July I, 1945, to February 28, 1946 (estimated) $1,731,000.00 



July I, 1945, to June 30, 1946 (actual) $ 61,548.38 



