[hpsdr] Wish Item

Larry Dodd 101science at gmail.com
Sun Jan 20 19:18:30 PST 2013

Yes Warren the ANF will serve the purpose I was looking for.
I figured it was there somewhere!
Thanks for the information and fast response! What a wonderful group!
Larry K4LED
Message: 13
Date: Sun, 20 Jan 2013 16:15:35 -0500
From: 101science <101science at gmail.com>
To: "hpsdr at lists.openhpsdr.org" <hpsdr at lists.openhpsdr.org>
Subject: [hpsdr] Wish Item
Message-ID: <528B56C9-FC61-41E5-A86B-B7511A20DC1D at gmail.com>
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A tunable  variable notch filter for receiving would be nice for eliminating carriers in the middle of a voice channel. If it is available in PowerSDR I have not been able to find it. 
Larry K4LED


Message: 14
Date: Sun, 20 Jan 2013 13:28:58 -0800
From: "Warren C. Pratt" <warren at wpratt.com>
To: <hpsdr at lists.openhpsdr.org>
Subject: Re: [hpsdr] Wish Item
Message-ID: <001601cdf755$32093f00$961bbd00$@com>
Content-Type: text/plain; charset="us-ascii"

Hi Larry,

Have you tried the automatic notch filter (ANF button)?  If not, setup
instructions can be found in this document:


If you have set it up correctly and it is not meeting your needs, please
give me a little more detail on the specific situation.  There may not be a
better short-term answer; however, this would be good to know for future

Warren  NR0V
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