RADIO BEACON

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP80-00810A004100340007-2
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 1
• Document Creation Date: December 22, 2016
• Document Release Date: December 8, 2009
• Sequence Number: 7
• Publication Date: May 8, 1954
• Content Type: REPORT

Sanitized Copy Approved for Release 2009/12/08: CIA-RDP80-0081 OA004100340007-2
CENTRAL INTELLIGENCE AGENCY
INFORMATION REPORT
COUNTRY Bulgaria
This Document contains information affecting the Na-
tional Defense of the United States, within the mean-
ing of Title 18, Sections 793 and 794, of the U.S. Code, as
amended. Its transmission or revelation of its contents
to or receipt by an unauthorized person is prohibited
by law. The reproduction of this form is prohibited,
SECRET/CONTROL - U. S. OFFICIALS ONLY
SUBJECT Radio Beacon
REPORT
DATE DISTR. 8 May 1954
NO. OF PAGES 1
REQUIREMENT NO. RD
REFERENCES
Gv2821
THE SOURCE EVALUATIONS IN THIS REPORT ARE DEFINITIVE.
THE APPRAISAL OF CONTENT IS TENTATIVE.
(FOR KEY SEE REVERSE)
1. At 2:50 p.m. GMT on 11 March 1954 a radio beacon with the following characteris-
tics was intercepted:
a. Wave length: 810 motors;
b. Frequency: 370 kos.;
c. Call Letters: LZJ;
d. Power: QSA5; and
e. Tone: High-pitched, very clear.
2. The signal emitted was as follows: the call letters LZJ given twice, over a
period of 10 seconds; a continuous tone lasting 30 seconds; thus, within a
2-minute period, the call letters were given six times and there were three
pauses. The broadcast is automatic and the transmission speed is not over 700.
In view of the strength of the intercept, it may be said that the radio beacon
is located in the vicinity of Sofia.
X] ARMY
SECRET/CONTROL - U. S. OFFICIALS ONLY
X AIR X
(Notes Washington Distribution Indicated By "X"; Field Distribution By "#".)
JAEC
25X1
Sanitized Copy Approved for Release 2009/12/08: CIA-RDP80-0081 OA004100340007-2