SCAPIN-494: OPERATION OF ELECTROTECHNICAL LABORATORY

GENERAL HEADQUARTERS
SUPREME COMMANDER FOR THE ALLIED POWERS

APO 500
24 December 1945

AG 352 (24 Dec 45) ESS-ST
(SCAPIN - 494)

MEMORANDUM FOR

Imperial Japanese Government

THROUGH

Central Liaison Office, Tokyo

SUBJECT

Operation of Electrotechnical Laboratory

1. Reference is made to C.L.O. 946 (3.3) of 8 Dec 45.
2. Permission is granted for the operation of the Electrotechnical Laboratory, subject to the provisions of SCAP directive No. 3 para 8c which requires a report to be submitted monthly on the activities of the laboratory.
3. The following researches are prohibited.
a. Television
b. Radio and radar counter measures
c. Pulse modulated multi channel communication systems
d. Electronic proximity devices.
e. Voice secrecy system (Speech Scramblers).
f. Electronic code and cypher systems
Acknowledgement of receipt of this memorandum is directed.

FOR THE SUPREME COMMANDER:

/s/ H. W. Allen
/t/ H. W. ALLEN,
Colonel, A.G.D.,
Asst. Adjutant General.