[TenTec] CW Filter for Ten-Tec Argonaut 509

[Mats Strandberg]

Hello Ed,

Thanks a lot for the recommendation to build a Crystal Filter instead
of an Audio Filter. That makes of course a lot of sense. I will check
your homepage and return to you if I may, in case of any questions.

72/73
Mats - SM6LRR - SJ6R



2006/9/4, Ed - K9EW <k9ew57 at gmail.com>:
>
> Hello Mats,
>
> If you're thinking of a CW Filter for the Argonaut 509, you might be
> interested in a Crystal Filter rather than an Audio Filter.  I made an
> external crystal filter for my 509, and it works really well.  If
> you're interested, see my Projects page at www.k9ew.net.  I put my
> SCAF filter on the shelf after making this crystal filter.
>
> 72/73,
> ed - k9ew
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