JOHNSTON ATOLL
F &S NO.
TITLE
01109
USER
SCIENTIFIC
Helical Antenna
STRUCTURE /FACILITY NO.
SANDIA
\
SCIENTIFIC STATION NO.
None
BOD
91-4-5]
FOD GO+120
FUNDING
AGENCY
AEC
($000)
ENGR
PROC
CONST
TOTAL
FURN
PRE-GO
Prior Cost
POST -GO
0.4
,
0.4
Estimate 10/68
TOTAL
0.4
4.5
4.5
4.5
4.9
PRIOR YEARS
ENGINEERING Completed.
Drawing:
91-4-51-W)
POST -GO
PROCUREMENT
To be accomplished.
CONSTRUCTION A 4-turn helical antenna will be mounted on the west wall,
near the southwest corner of Building 20 (JOC) at the roof level.
The antenna
will be AEC furnished and will be a TACO (Technical Appliance Company,
Sherburne, New York) 4-turn helical, type H-042 or equal. It will have lineof-sight to SANDIA'S north and south shore launchers with the element sighted
S 65° W.
RG-8 A/U cable will be run a maximum of 200 feet within the building from
the antenna to the center of the south wall of the first floor SANDIA lab area.
The cable will be terminated in a type ''N'' connector.
1-85
idl,
VOL I
hen 1989