PS Magazine - TB 43-PS-601

PS, The Preventative Maintenance Monthly

ISSUE 601

DECEMBER 2002
PS Magazine - TB 43-PS-601 - Page 26 of 33
PS 601
DEC 02
49
AN/USC-55A…
the moisture menace
the moisture menace
L
ike having the Sunday paper delivered right to your door, you can be notified by
e-mail when the latest PATHFINDER is posted on the GPS web site.
PATHFINDER is a quarterly newsletter
published by the Global Positioning
System folks at Ft Monmouth, NJ. It keeps
you up-to-date on all the latest happenings
in the GPS world.
The latest issue of PATHFINDER can be
found at the GPS web page:
http://army-gps.robins.af.mil
To be notified by e-mail when an issue is posted, send your e-mail address to:
donald.mulligan@iews.monmouth.army.mil
Put the words “PATHFINDER request” in the subject line.
Then you’ll get an e-mail every time the latest and greatest GPS info is posted on
the web site.
Electronically is now the only way to get PATHFINDER. There is no longer a
paper copy.
Questions? Write or call:
PM GPS (PATHFINDER)
AMSEL-DSA-GPSR
Bldg 283 Squier Hall
Ft Monmouth, NJ 07703
DSN 992-6137 or (732) 532-6137
Or e-mail them at the address above.
PS 601
48
GPS…
PATHFiNDER
should be
required
reading
for gps
users and
maintainers!
t
he AN/USC-55A Commanders’Tactical Terminal-3
(CTT-3) doesn’t weather temperature changes very
well. Those changes create moisture in the terminal.
Since you can’t change the weather, you must do
preventive maintenance to solve the problem and mop
up the moisture.
Make sure you do weekly functional BIT and
monthly hook ups of all antennas to the system
for testing.
If the BIT fails, allow a 15-minute warm-up to sta-
bilize the oscillator and rid the system of moisture.
Then, set the CD-81 and RT-1714 power switches to
OFF.
t
It is also important
that you dry the radio
batteries’ connectors.
Moisture corrodes
them.
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