[Xastir] Using Xastir online

[Curt Mills]

BTW: The usual protocol is to ask to see their callsign first before
explaining how to go about it: A minor effort to help prevent non-hams
from using the APRS-IS system. There were a couple of requests for the
callsign but I hadn't seen one produced yet.


On Fri, May 29, 2020 at 10:16 AM Kirby <joekirby at gmail.com> wrote:
>
> On 29/05/2020 16:54, Brett Friermood wrote:
> > I'm not sure of the exact algorithm at the moment, but the callpass length
> > is some function of the callsign length and not always 5 digits. For
> > instance my callpass is only 3 digits based off my 2x1 callsign.
>
> It breaks your call up into 16-bit and XORs them with a seed. Depending
> on your call, I guess it could have any number from 0 to 32767.
>
> --
>
>
>
>
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Curt, WE7U        http://xastir.org        http://www.sarguydigital.com