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[aprssig] Problems with hum on TX audio.

Patrick Green pagreen at gmail.com
Mon Feb 27 19:42:37 UTC 2006


I have to check that.  I don't think so tho.  PL isn't is noticable is this
hum.  We have a local digi that's running PL (donno why).

73 de Pat --- KA9SCF.

On 2/27/06, w0ep <w0ep at frii.com> wrote:
>
>
>
> Could it possibly be a PL tone?
>
>
> On Mon, 2006-02-27 at 13:36 -0600, Patrick Green wrote:
> > Yes, that's now on the list to try.  Also going to put the radio and
> > TNC both on battery power since the hum is 60 hertz.
> >
> > 73 de Pat --- KA9SCF.
> >
> > On 2/27/06, w0ep <w0ep at frii.com> wrote:
> >
> >
> >         Is it possible to try the 2200 with the microphone, just to
> >         key it up and see if you get the hum?  That might remove
> >         the cable and/or TNC from the equation.
> >
> >
> >
> >
> >
> >
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> >
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>
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