[Boatanchors] Johnson Navigator VFO Question

[Rob Atkinson]

Did it work okay before or did you just get it and you're getting it
going for the first time?

Rob
K5UJ

On Mon, Oct 12, 2020 at 4:37 PM <whitebear1122 at comcast.net> wrote:
>
> Hi, I'm troubleshooting a problem with my Navigator and have a question or
> two.  What is the purpose of L12, the variable inductor hanging off the VFO
> 6AU6 plate?
>
>
>
> I'm chasing down an odd observation between the VFO and buffer.   On the
> 6AU6 pin 5 plate output there is the fundamental 1.8 MHz as there should be
> but there is also a harmonic around 3.5 Mhz.  Where in the heck would that
> come from I wonder.  That's what I'm hunting for now.