TOWER AND ANTENNA INSTALLATION (SANITIZED) FOR RADIO LOCATING SYSTEM (INVERSE LORAN)

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78-03424A001300090005-5
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 2
• Document Creation Date: December 23, 2016
• Document Release Date: January 15, 2014
• Sequence Number: 5
• Publication Date: July 31, 1956
• Content Type: MEMO

Declassified in Part - Sanitized Copy Approved for Release 2014/01/15: CIA-RDP78-03424A001300090005-5
Chief, Orod
sera atter OCAST/AAD
Chief, ?CAP
SECRET
DOC frv
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wain tInEp fiP1
RI CI CLASS S ?201- rL's.6 _
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ang (Nal.
AIXT 1956
Tomer and Antenna Installation
(Inverse Loran)
fbr Bedio Inesting System
1. in Nardi 1955 the Agency awarded a contract to
for the purpose of planning, imoring out and designing
an initial radio leoating iqrstme. The principle of this system is to
&Itemise a bearing of a radio station by the simultaneous reception
of sigmas tram the radio station at three controlled sites. The three
sites have been chosen and are as Aglow:
a.
Oudstation o
a.
Control Station (11121).
50X1
50X1
50X1
to be known as 50X1
to be know as Net
e. to be known as Outstation B Co/8 3).
50X1
50X1
2. Discussions were held with members of your Division and your
representative in order to outline the requirements neces. 50X1
saw to install Outstation 3 as a eresdated unit. Mutual aireatimit
was reached that your regrew:native at will mile arranguts 50X1
to install the towers and antennas locally.
3. The following information and attachments are admitted for
guidance in the installation of the towers Mg antennas*
a.
=IRS
TourTypo 1245 Ion Towers, 60 ft., and associated gear
were shipped to Written specifications arml 50X1
blueprints Thr the of these towers are at
the site.
PlaoseesA of tonere is not critical; horevor? a rough
sketch is attached showing desired separation. (See
Attachment A.)
Siting of antennas should be made on
50X1
Declassified in Part - Sanitized Copy Approved for Release 2014/01/15: CIA-RDP78-03424A001300090005-5
Declassified in Part - Sanitized Copy Approved for Release 2014/01/15: CIA-RDP78-03424A001300090005-5
ACRET
SalBert Tower se* Antenna Installation
inesting eysten Inverse Loran;
a. AMIN!
tor ltsdio
Twotz: for the tiring chnicel are used eat they
axe vervisegth Masi dipoles. (Maile sham on
At 1.)
These entennes ere terwasstel with 300 Os transmisidon
line to the teeninsl ben, thence with 116013/9 ceeacial
amble to the trailer. All antenna anterial is being
Mimi inside the trsilar.
Ileseiring troweling is 2045 keel emboss length le
228*6*.
Transed.thing fregicency is 3165 keel slaw= long* is
Ve7 .
One vertical asteres owl its bases &Ansi with the
trailer, hes been fabricate* eapplate with guy wises.
is esteemis to be mei for the Masa alma
widdi
is to be occonsetel to the Collins 513 liseelver.
Attachments s
A ? Ion* sketch of tower seyaratiams
X ? Antenna details
ltstributicas
Ohl? addressee/
1
1.. ono
SECRET
50X1
50X1
50X1
Declassified in Part - Sanitized Copy Approved for Release 2014/01/15: CIA-RDP78-03424A001300090005-5