[aprssig] SATgates ? (again)

Kenneth Finnegan kennethfinnegan2007 at gmail.com
Tue Jan 26 10:20:34 EST 2016

On Tue, Jan 26, 2016 at 12:38 AM, John Wiseman via aprssig <aprssig at tapr.org
> wrote:

> I've added a SATGate mode as described to the BPQ32 Igate code.
> One consequence is that packets sent directly by the satellite, rather than
> diigpeated through it, won't be Igated. Could this be an issue?

Yes. That's another big reason why so many of us are advocating against
this mode even being an option.

Kenneth Finnegan

> 73,
> John G8BPQ
> ________________________________________
> From: aprssig [mailto:aprssig-bounces at tapr.org] On Behalf Of Robert
> Bruninga
> via aprssig
> Sent: 24 January 2016 23:28
> To: TAPR APRS Mailing List
> Subject: Re: [aprssig] SATgates ? (again)
> I'm not trying to change the APRS-IS.  I'm trying to fix the satgate
> problem
> by asking any author of IGate code to include a SATgate mode that will
> ignore direct, undigipeated packets.  When any authors respond with the
> feature, then we will have a SATgate we can recommend for people to use.
> This is a SATgate only issue and it should not be included in terrestrial
> operation.  Terrestrial APRS network has a different objective.
> The people that we want to set up SATgates are Satellite folks first and in
> far corners of the world and we want to eliminate this obscure problem in
> that application by fixing it at hte SATgate..
> Bob, WB4APR'
> On Sun, Jan 24, 2016 at 4:43 PM, Jason KG4WSV <kg4wsv at gmail.com> wrote:
> On Sun, Jan 24, 2016 at 3:09 PM, Robert Bruninga via aprssig
> <aprssig at tapr.org> wrote:
> >... What you're describing is trying to use the APRS-IS as a local RF
> analysis tool.
> No, I'm trying to make the APRS satellites work as a useful constellation
> and to have their integration into the APRS-IS work in a consistent manner
> all over the world.
> It does - it treats your hypothetical "satgate" just like any other Igate.
> I'm just trying to identify IGate code that has this SATgate mode so that
> we
> can know what software to recommend for SATgate use.
> There isn't any.  But that's OK, since there isn't a special version of
> APRS-IS stripped of deduplication running in your hypothetical "satgate"
> mode to connect them to.
> This is exactly the same non-problem as using APRS-IS for RF propagation
> analysis.  APRS-IS simply isn't designed for that, and the way it is
> designed actively prevents its use in that manner.
> -Jason
> kg4wsv
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