[aprssig] theoretical IGate ID

Jim Alles kb3tbx at gmail.com
Sun Dec 4 13:33:25 CST 2016


Well, overall, reduce the level of confusion. This is not a intended to be
a required standard, just defining some things if anyone chooses to use it.

#1) make it clear a transmitting station is connected to the internet - a
better way to determine it, without interfering with the existing
heuristics.
#2) more data for troubleshooting issues, and seeing how far away a packet
landed, and why.
#3) Allowing for higher granularity for situational awareness of what
resources are available in a given area, again without interfering with
existing/local conventions.

Any other ideas how any of it might be useful in the future?

Peace,
.ja.

On Sun, Dec 4, 2016 at 2:07 PM, Jim Alles <kb3tbx at gmail.com> wrote:

> Three items, independently - would it be feasible to:
>
> 1) Each packet transmitted on RF by an IGate, include an identifier to
> explicitly indicate an IGate with Internet connection to APRS-IS, as well.
>
> 2) use some deprecated TOCALL SSIDs to indicate how an IGate transmitted a
> packet?
>
> with a -4 offset:
>
> APxxnn-4 = no hops, direct only.
> APxxnn-5 = one hop
> APxxnn-6 = two hops
> APxxnn-7 = special use only, three or more
>
> 3) expand the existing use of object symbol overlays to indicate how an
> IGate is configured to transmit:
>
> I& = IGate (deprecated)
> R& = Receive Only (not encouraged)
> T& = TX capable (deprecated)
> 0& = no hops - direct only
> 1& = one hop
> 2& = two hops
> 7& = special path
> P& = reserved for Proportional PATH
>
> Bob had this in 2011:
>
> * I& - is an IGate, but is ambiguous with respect to transmitting
> ** R& - means it is definitely an RX only IGate
> ** T& - Means it is definitely a TX IGate with one hop path only
> ** 2& - means it is a TX igate clobbering two hops in all directions
> ** 3& - means it is a TX SPAM GENERATOR , (or a legitimate special case)*
>
> *http://aprs.org/symbols/symbolsX.txt <http://aprs.org/symbols/symbolsX.txt> in 2015:*
>
> \&  OG# I=Igte R=RX T=1hopTX 2=2hopTX
>
> Oh, and not the yellow TCPIP symbol, like I used to run.
>
> /I PI  TcpIp on air network stn
>
> thanks,
>
> Jim A.
>
>
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