Re: [TenTec] CW Filter for Ten-Tec Argonaut 509

["Ed - K9EW" <k9ew57@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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