[Alexandria Radio Club Reflector] 147.315 Repeater

[W4JJ]

Rich,

Great work by the technical team!

73, 
Jack / W4JJ

> On Jul 1, 2025, at 8:27 PM, Rich Adamy <ka4gfy at gmail.com> wrote:
> 
> There had been a strange carrier bringing up the 147.315 repeater for
> about 10 to 12 days every 90 seconds. I timed the keying of the
> repeater to once every 90 seconds.  You could set your watch with
> it.It went beyond annoying.
> 
> The repeater technicians went to work chasing it down.  We believe it
> was an unlicensed Part 15 device that was operating on the same
> frequency or very near the frequency of the remote receiver link
> frequency.  The transmitter was physically close enough to the
> repeater site to be heard on the link receiver, but far enough away to
> not be a full quieting signal and very low power.
> 
> No telling what the device was.  It could have been a home security
> system, a weather station or something else that transmits a signal on
> a regular basis in that part of the spectrum.  It is not unusual to
> find these devices scattered around various parts of the spectrum.
> Those devices have to accept whatever interference a licensed service
> causes them.
> 
> A couple adjustments were made to the link receiver.  I have not heard
> the constant keying of the repeater since those adjustments were made.
> .
> 
> The repeater appears to be back to normal operation.
> 
> Rich Adamy, KA4GFY
> W4HFH Trustee.
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