PS Magazine - JANUARY 1986
PS, The Preventative Maintenance Monthly
ISSUE 398
JANUARY 1986
You're the matcHMaker when it's tiMe fr your A± radio and its antenna to
Make "beautiFl Music² together.
They have a good relatioNship only when you've tuned and Loaded the antenna
to Match the output ³oM your radio's aMpLi´er.
Iµ the two don't Match, you'LL get high re¶ected power ³oM the ante·¸a. That
wiLl blow your a¹p's tubes. The tools you need to Make this Match are coMºon
sense P± and the operating instructions
i! T± »¼C5820-520-10
:½
. ±²
-
³
·´
"µ
P± IS YOUR ¾IRST STEP. ±ake
sure you've got contact between the
radio and its anten¸a. Without it, you
won't be able to tune and load. That in¿
vites re¶eÀted power.
Be sure the
atn
cable is connected
to both the aMpli´er and the antenna,
usualÁy the AB-652 Mast base.
At the ABÂ652,
you've got a couÃ
ple
oµ
other
checks to Make.
EyebaÄÄ
the
contact. ±ake
sure rust or corÅ
rosion isn't keepÆ
ing your ÇXÈ
10171 cabLe ÉoM
Making
good
1±-
.²;³´
:µ¶·J
contact.
IÊ it is, shine the contact with a stiË
brush. The one ³oM your weapon's
cleaning kÌt wiLl doÍ
Once it's shiny, luÎe it
lighTly
with
silicone, ÏSÏ 6850È00È880È7616.
Keep the Mast base ceraMic bowl
Keep bowl
cLean and dr
clean and dry, Ðoo. ±oisture is a Ñig
eneMy oµ good coMMÒÓ
±ake sure the Mating surÔces Ñe¿
tween antenna sections are Îright anD
shiny. Rub theM with a rubÑer penciÄ
eraser and coat theM ÁightÄy with
siLicone.
EyebaÁl the ÇXÈ10171 cabÄe ÕeDing
your Mast base. ±ake sure it has aÄÄ the
conductors. Iµ any have broken oÖ, cuÐ
the cable back Ôr enough to expose
theM alÄ. That insures good contact.
You shouÄd cut your cabÄe to ´t your
insÐaLÄation anyway. It coMes in a stand¿
arD 6-× Äength. You wonØÐ always need
thaÐ Much. Ùince extra cabÄe ÑecoMes
Úart oµ the anteÛÛaÜand can ÝuÄ up
your tuning and ÄoadingÜcut it to ´t.
You can head oÞ another tuning probß
LeM by keeping your receiver-transÆ
Mitter and aMpÁi´er Ðogether. TàeyØre
aÄigned ÐogeÐher at supÚorÐ. Pairing
either with another coMÚonent can
Ðhrow oáâ your oÚerationÓ
Ùoã iÊ one goes badä senD ÑoÐh back
jAN 86
to supÚort.
45
-
±²³´µ¶
: I
i
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