PS Magazine - NOVEMBER 1980

PS, The Preventative Maintenance Monthly

ISSUE 336

NOVEMBER 1980
PS Magazine - NOVEMBER 1980 - Page 24 of 35
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Worried about too much
zapping
your
AN/VRC-12
radio set? Check the chart.
The headshed's just printed a handy
one
that
lets
you±and
your,
AN/URM²182
wattmeter±pull
a
fst power check. To get the³ char´µ
visit
·
y
our post DARCOM Logisti¸s
Assistance
OFice
(¹AO).
3¶
4¶
FORWARD
POwER
Thenµ move the selector to 100
watts Reºlected Power .» Key again.
Chart this readingµ too. (Be sure the
wattmeter or antenna is hooked to the
RT be¼re you ½ey. That power needs
a load.¾
Now scope the chart. I¿ the Àrward
reading is in the redµ turn Áhe RT in Àr
maintenance. I¿ re¿Âecteà power is in
·
the pinkµ you'vE got problems in the
antenna.
SubÄtitute
elementsµ
matching units and cables until the
problem is corrEcted. I¿ both readings
are in the whiteµ your system is A²OK.
Åor hoo½up and ÆaintenancE on
your watÇmeterµ seE para 5-7 o¿
T
11-5820²401²12 (Sep 72¾.
ÈhiÉ neÊ ÁesÁ reËlÌcÍs ÁhE ÎhEc½É Ïn
ÁhE Ð12.
ÑÒÓGEÁ ÔÉÕG ÌÖ
LS-454
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ËÌGÍ
55
Òä
pS
32â åHÍ ÓÌØÏÒ ØÒEÉÖæÁ HÌçÍ ÍÖÒÔGè ØÓÏçÍ ÛÒ ËÒÊÍÓ ÏÁé êÉÍ ÁHEëSì
45í ÊiÁh YoÔÓ îÝ/ïàáìðñìÉÍrÏÍÉ òÌØÏo ÉÍÁÉó
±²
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