[GreenKeys] FSK Audio files for Test and Evaluation. Now 6 bit

John Spigel w1an.dxusa at gmail.com
Mon May 5 22:23:37 EDT 2025


Yes, Lots of potential with software! I have many ideas swimming in my 
head. But I'll work with the easier ones. Sharing is encouraged!

For anyone with a 6 bit machine I just posted an mp3 afsk file for 
testing at 6bit, 45.45 170 shift on 5bits.net. I assumed 45.45 but 
couldn't find much more detail.

I can't fully decode 6 bit here but perhaps there is someone working on 
a 6 bit machine from the newspaper publishing business. Let me know if 
its successful pringting some upper and lower case RYRY...ryry...

73, John W1AN

On 02-May-25 13:59, Zach Tumbusch wrote:
> I have some AFSK audio available at any shift and any baud rate (tested 
> up to 9600) baudot that is generated on the fly by NodeJs / .NET Core 
> and downloadable as mp3. It would be cool if I could get some users out 
> there doing some testing and making suggestions. Mainly suggestions for 
> neat content. At the moment it will generate an up to date 24 weather 
> forecast for your location and some other things like ARRL bulletins. 
> Let me know what you think. https://w8zjt.net/itty <https://w8zjt.net/itty>
> 
> thanks
> -Zach W8ZJT
> 
> On Fri, May 2, 2025 at 1:26 AM hwhall--- via GreenKeys 
> <greenkeys at mailman.qth.net <mailto:greenkeys at mailman.qth.net>> wrote:
> 
>     I've created some AFSK files using MMTTY with text file input,
>     connecting laptop audio out back to the mic input & recording with
>     Windows Recorder. Seems to work fine.
> 
>     Wayne
>     WB4OGM
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