[aprssig] -IS to RF Igating reloaded (Was: APRS on Android)

Lee Bengston lee.bengston at gmail.com
Wed Jan 26 21:59:15 EST 2011

On Tue, Jan 25, 2011 at 10:11 PM, Stephen H. Smith <wa8lmf2 at aol.com> wrote:

> On 1/25/2011 6:47 PM, Lee Bengston wrote:
>> Cool idea, though.  It opens up other possibilities such as transmitting
>> weather station data via internet only and still have it show up locally on
>> RF.  In that case one would only need one igate nearby his fixed location to
>> have the "reverse filter" in place.  Why transmit to IS only?  Could free up
>> a 2 meter rig for a different use.  Also it could be an easy solution for an
>> HOA that doesn't prevent a weather station from being installed in a back
>> yard but prohibits antennas on the roof.
>> Lee - K5DAT
>> Murphy, TX
> For this application, it would be trivially simple in UIview.     Filter
> the port 14580 IS stream for the one weather station callsign in question.
> This could be a budlist ( b/callsign-nn)  in addition to any area or
> distance-based filtering already in place.    Then edit igate.ini  to enable
> reverse-gating for that specific callsign.   The once-every-10 mins beacon
> rate of a weather station should not be a burden on the local RF channel.
> The complexity comes when you want to reverse-gate a mobile as it moves
> into and then out of the coverage of one igate, and then moves into the
> coverage of another.
> It might be simple to configure in UIView or other applications, but it
would still require the weather station owner to contact the igate operator
and have the modification made.  A 'standardized distance filter' for gating
IS to RF would cover any local transmission via internet including the
mobile guy passing through.
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