wow that is awesome! I have a ts2000, would it work for that rig? I will be getting my hands on a braille display. not rue how many cells yet,but it is from a palmate a friend of one has and no longer uses. this is exciting and just n time for field day
Michael Thurman
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On May 1, 2014, at 1:05 PM, Jim Shaffer <[log in to unmask]> wrote:
> Let's try this message format. Honestly I'm getting pretty disgusted with
> the way this list can't manage to handle our messages without throwing a lot
> of garbage in them.
> --------------------------------
> Well my pan adapter project has born fruit. It is working pretty well. I
> specify a frequency range and pan increment, usually 1 KHZ, and it creates a
> braille graph of the band activity. The braille graph is on my 40 cell
> Pacmate display.
>
> I use the characters “a b l p q =” to show the relative signal strengths.
> Those characters are dot 1, dots 1 and 2, dots 1, 2, and 3, etc. A single
> dot 1 is the noise floor.
>
> I put up a new pan graph every 3 band scans, in other words, I scan the band
> 3 times, and then generate the braille, scan another 3 times and generate,
> etc. I generate the graph using the maximum value I got from those 3 scans.
> This hopefully minimizes missing a CW op whose key just wasn’t down when I
> scanned the last time.
>
> Here is a sample display. Note that if you’re not using a braille display,
> this won’t make much sense.
>
> aaaabbbaaalqap=baaaaabbbblbaaaalllaaqaaa
>
> The “q” and “=” show strong signals, the “p” less strong, etc.
>
> With the TS-590 at 115200 baud, I can scan around 40 points per second, or
> 40 khz per second scanning 1 khz at a time. That seems to be fast enough,
> well for me at least.
>
> Oh, and perhaps the most important feature of this is that when I see on the
> graph a spot I want to go to, I just click the routing key, the program
> stops panning, and sends the rig to the corresponding frequency. This
> frequency is approximate, depending upon how many KHZs are represented by a
> cell, but it’s in the ball park of the signal I’ve spotted.
> --
> Jim, KE5AL
> From: Jim Shaffer
> Sent: Tuesday, April 29, 2014 11:12 PM
> To: For blind ham radio operators
> Subject: re: Braille Pan Adapter
>
> Well, I’ve done a proof of concept, and it works! I don’t have it in any
> shape to really be very useable yet, but I can make my TS-590 scan and
> return s-meter readings fast enough to do a reasonable job of showing a band
> or band segment.
>
> Stay tuned.
> --
> Jim Shaffer, KE5AL
> Pflugerville, TX
> www.jjshaffer.net
> www.pgramblers.com
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