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THE SIGNAL CORPS DEVELOPMENT
of
U.S. ARMY RADAR EQUIPMENT

PART 1

Early Research and Development - 1918 - 1937

by H. M. DAVIS,
1st Lt., Signal Corps
March 1943

CONFIDENTIAL
DECLASSIFIED
DOD DIR5200.9
1972
Control Approval Symbol SPSEO-100
Project "A-1"


 
 

NOTICE: This document contains information affecting the 
national defense of the United states within the meaning of the 
Espionage Act, 50 17. S. C. , 31 and 32. as amended. 
The transmission or the revelation of its contents
in any manner to an unauthorized person is prohibited by law.
evans logo
Copy No. 27of35copies made
xiv plus 69pages and
 31 illustrations
Historical Section Field office
Special Activities Branch
Office Service Division
Office of the Chief Signal officer
Army Service Forces

Figure 25
AZIMUTH RECEIVER

An 8 x 4 dipole antenna array feeding received radio echoes into the azimuth receiving set and slant range finder. This receiving equipment was built by the Signal Corps Laboratories in the spring of 1937 on a sound locator chassis.

SCL Annual Report FY 1937 Fig. 11


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