[RTTY] Intrigued

[Tom Osborne]

Hi Graham

You were probably copying hellschreiber.  That mode prints the words out as
it scrolls across the screen.  Very old mode, was used back in WWII.  73
Tom W7WHY


> Greetings All,
>
> While monitoring 20m late this afternoon using MixW - there appeared
> on the waterfall a callsign........Yes that's correct ON THE WATERFALL
> - spread out over about 1khz, almost like a picture.
>
> At first I thought I was hallucinating, then a few minutes later it
> rolled across [or rather down] again.this time complete with the MixW
> 'Butterfly' and I grabbed a screen print - which I have out at...
> http://s40.photobucket.com/albums/e208/strathnaver/?action=view&current=iz0ask.jpg
>
> I was just wondering 'how did they do that?' as it clearly requires
> multiple synchronised audio tones.
>
>
> 73 Graham M5AAV
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