[BC] AM transmitter lightning sensitivity issue
Alan Alsobrook
radiotech at bellsouth.net
Tue May 27 02:28:37 CDT 2008
Gregory Muir wrote:
> Within my station group I have a Harris Gates Five AM transmitter which exhibits an unusual sensitivity to local lightning storm events.
looking through the long list this thread evolved into, I never saw the
following answers given.
On the Gates AM control boards there are a few things you can do.
From the Harris support site.. if you jumper out C15 on the controller
card (A12) the transmitter will still duck during a VSWR but will return
to the previous power and NOT fold back.
Also there is a cap (I can't remember which one) that if you increase
the value of it, it will lower the sensitivity of the VSWR circuit.
--
Alan Alsobrook CSRE AMD CBNT
St. Augustine Fl. 32086 904-829-8885
aalso at Bellsouth.net
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