[TowerTalk] Static Discharge Wicks

Rob Atkinson ranchorobbo at gmail.com
Fri Sep 4 10:04:01 PDT 2009


A few weeks ago I looked at four broadcast ATUs that had been removed
from a four tower DA.  These were designed for 1 kw by KIntronic.
Each was in a wx proof aluminum cabinet about the size of a 3 or 4
drawer file cabinet.   Among the tuning components and switches were
large chokes, one in each of the ATUs.  They were about 2 feet long
and 2 inches diameter with what looked like no.20 copper wire (enamel)
wound on them.  I had never seen such huge chokes in any kind of
average radio environment before and wondered what sort of function
they could have in a matching network.  "Static discharge.  They're
connected between hot and ground.  Bleeds off tower charge build-up,"
I was told.

73,

Rob K5UJ


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