Ok, something new has been discovered this morning, while going back
to the repeater for further testing. I turned on the SM to get ready
to check a few things, while set to 132.950 the squelch on the SM was
open I could hear a pulsing noise. I then went to the output of the
repeater, I could hear the same thing. This same noise has been heard
on the output of the repeater on certain radios, kind of sounds like a
warbly sound, led to always believe it was the audio delay board, so I
ignored it, non of the users ever commented on it. The repeater was
not transmitting at the time. I reached in an unplugged the delay
board and noise is still there. I powered down the transmitter, no
changes, I powered down the Mastr Pro receiver, noise still there,
only thing left was the cat controller, powered it down and noise is
gone. This noise was heard over a large frequency spread in the
aircraft band on the SM. Could it be possible that the controller
could be the cause sending havac out the band.
Mathew
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