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JOHNSTON ATOLL
F&SNO.
01117
USER
Loop Antennas - Subtask A620
STRUCTURE/FACILITY NO.
TC
RDT&E
SCIENTIFIC STATION NO.
None
FUNDING
AGENCY
JTF-8/
SCIENTIFIC
TITLE
($000)
91-3-126 and 127
ENGR
POST-GO
Estimate 4/68
TOTAL
BoD
PROC
CONST
TOTAL
1.5
5.2
9.7
16.4
15
5.2
9,7
16.4
FOD GO+135
FURN
POST-GO
ENGINEERING
To be accomplished.
PROCUREMENT
To be accomplished.
CONSTRUCTION This facility will consist of two 10-ft. diameter loop antennas
placed approximately 5,300-ft. apart and two project electronic equipment racks
located in the monitor half of the Launch Control and Monitor Bunker. The antennas, racks and cables will be TC furnished. At present, it is planned to locate
the loop antennas at the following coordinates:
E 193, 000.
N 197,250; E 198, 300 and N 197,350;
The exact location of the antennas is not critical except that it is im-
portant to place each antenna at least 50-ft. away fromany large metal structure.
The antenna support for each antenna will consistofa+4in. diameter pipe approximately 6-ft. long and threaded on one end. The pipe will be buried in the ground
in a vertical position with a maximum of 2-ft. of the threaded end of the pipe
exposed above grade.
One run of RG-~22U cable, or electrical equivalent, will be required from each
of the two antennas to the project electronic equipment racks in Building 881.
Installation of this cable will be accomplished concurrently with the other TC
Signal Cable (F&S No. 04019) and the cable will be installed in the existing cable
troughs. Cable lengths are not critical but must be measured to within + 1-ft.
A maximum of 5 kw,
110 volt, 60 cycle power will be required for the two elec-
tronic equipment racks in Building 881.
1-95
Corin,
VOLI
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