well, thats the #1 item for me to find at the dayton hamfest...
I know with 25k+ attendance it shouldn't be hard to find a 2m freq where people
hang out at!
I use 147.450s mostly at local fleas...
any one know of others? '652 will probably be gettin spanked..
#2 will be inductors but i'm limited to size and i'm trying to keep them from
the metal walls in that amp
-----Original Message-----
From: R L Measures [mailto:r@somis.org]
Sent: Friday, May 12, 2006 8:25 AM
To: wc6w@juno.com
Cc: Partain, Chuck; amps@contesting.com
Subject: Re: [Amps] tank coil heating
On May 11, 2006, at 5:09 PM, wc6w@juno.com wrote:
> Hi Chuck,
> I looked at your photos (nice work!) and it appears that you are
> using a piece of Airdux with perhaps #12 size conductor. That is a
> mite small for 20 meters. I'd suggest upsizing the 20 meter
> section of the coil to at least 1/8" (#8) or even 5/16" diameter.
>
> The load padding capacitor as noted by several others is the
> wrong type for this application.
>
> A few options:
>
> 1. Change the load vacuum cap to 1400pF and eschew the padder.
>
> 2. Use a better quality padder.
> A Jennings JSLF-450
> or
> Several Centralab (or equiv.) 850 series ceramic NPO's in
> parallel
N750s are also suitable for tuned circuit applications.
> ...
>
R L MEASURES, AG6K. 805-386-3734
r@somis.org
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