On Mon, 25 Jul 2005 [EMAIL PROTECTED] wrote:
Here is one for you guru's and BMOC problem solvers. Must admit there
are a lot of good ones in this group. A 2 meter repeater 15 miles away
using a Mastr2 PLL exciter emits a carrier drop pulse of about 500 ms in
duration on a frequency 225 khz
Title: Message
I'd look at the comp line on the ICOM and
see if it's doing anything strange when PTT drops. You'll probably need a
DSO or something similiar to capture it since it's such a short duration.
While you're at it, monitor the 10V line as well.
Is this a converted mobile or a
Thank you both for the good suggestions. It isn't my repeater. I
believe its a base station.
Gary
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One problem I saw on a converted Heathkit HW-202 repeater (not a radio I
recommend - TX OK but RX horrible) was a leaky feedthru cap on the TX box
that partially pulled PTT low (active). This would cause the TX to shift
up several kHz every time the controller's PTT went inactive for a second
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