[aprssig] ISONLY

Stephen H. Smith wa8lmf2 at aol.com
Tue Mar 15 19:24:19 EDT 2011

On 3/15/2011 3:51 PM, Keith VE7GDH wrote:
> Bill WA7NWP wrote...
>> the APRS-IS. Why not also have something like "ISONLY" for
>> folks that only care about being seen on the web services?... This could 
>> potentially reduce lots of extraneous packets on RF.
> Hmmm... I don't see the point. IGates don't just gate "stuff" to RF just
> because it exists. They would specifically have to set something to
> gate anything to RF. The usual would be to gate just messages to
> "local" stations. If the "TCPIP only" station hadn't been on RF, the
> IGate wouldn't gate any messages directed to that station to RF.

The original poster wasn't talking about reverse-gating.  He was in terms of 
digipeaters in the vicinity of igates either ignoring or truncating paths on RF 
for RF-originated packets tagged with ISONLY, to avoid having them needlessly 
digipeated on RF.

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