[600MRG] Coil Q

[david vanhorn]

I built a 440 mhz xtal rig once using a duplexer can.  It worked.  Someone
at the ham club was insisting it was impossible to hear FM radio on an AM
receiver.  Slope detection works.

On Wed, May 23, 2018, 12:10 PM Edward R Cole <kl7uw at acsalaska.net> wrote:

> For microwaver's "radio is nothing but plumbing"
>
> 73, Ed
>
> At 09:04 AM 5/23/2018, kl7aj at acsalaska.net wrote:
>
> One of my elmers from way back said, "Radio is nothing but winding coils."
>
> :0
> Eric
>
>   ---
> Eric P. Nichols, KL7AJ
> AlasKit Educational and Scientific Resources
> 3763 Lyle Avenue
> North Pole, AK 99705
> (907) 488-0483
> (907) 371-7120
> http://alaskit.co
>
> On Wed, 23 May 2018 09:56:37 -0700, "Rudy Severns" wrote:
>
> Thanks Pat,
>
> I think there’s a need for a careful general review of variable
> inductors, taps, shorted loops, variometers, etc, in theory, modeling and
> experimentally.  I hope to get on that project next winter.  I have great
> tools for that project but far too many distractions over the summer!!
>
> In the mean time take a look at John Molnar’s September 2017 CQ article
> on a bucket inductor.  Lots of useful information.
>
> 73, Rudy N6LF
>
>
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