[RTTY] Minus sign to space serial numbers

[Bostjan Voncina - S55O]

what about length?
599 1243 1243
or
599 1243-1243

what is the difference?

space does need a ltr/fig ? or it does not need that?

thx and keep on the good info david.

gl
bostjan s55o

15. feb. 2018 5:40 PM je oseba "David G3YYD via RTTY" <rtty at contesting.com>
napisala:

> I wonder how many of you who use this technique realise why it is not a
> good
> idea?
>
> The - (minus sign) is 1 corrupted bit away from 3, 2, \ and Line Feed. So a
> 1 bit corruption will often result in a repeat request.
>
> Space character a 1 bit error goes to  , (comma), ' (quote), #, NULL (5
> bits
> of space tone). Much better to use space as human can see it and work out
> what the serial number is.
>
> 2Tone avoids the NULL error as that is mapped to space character. Been like
> that for years. NULL is also known as BLANK.
>
> So better to send 599 1234 1234 than 599-1234-1234
>
> 73 David G3YYD
>
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