[aprssig] Interesting APRS RF Behavior at Dayton....
rlove31 at gmail.com
Fri May 16 22:45:50 CDT 2014
The W8FSM igate rf deck is a commercial vhf mobile with a good front end.
It hears plenty, it's just our Internet connectivity has severe latency
allowing the pallets from the other igates to make it to the APRS-IS before
On May 16, 2014 9:32 PM, "Gregg Wonderly" <gregg at wonderly.org> wrote:
> I’d guess that most likely the front ends are overloaded with RF in
> general. Overall, that’s a horrible place to try and receive something.
> On May 16, 2014, at 5:00 PM, Stephen H. Smith <wa8lmf2 at aol.com> wrote:
> > I currently have my special events UI-Webserver (normally used for
> balloon launches) displaying all the RF activity within 6 miles of the
> Dayton Hamvention. See it at:
> > <http://wa8lmf.net/map> Click on the "Special Events" server
> > Note that I am filtering for a radius of 6 miles around the venue, while
> the range scale of the map display is only 1 mile; i.e. the immediate
> vicinity of the event. Click the list of "All Stations Heard" below the
> map to see stations at numerous motels in the area as well as actually at
> the Hara Arena. Sixty-plus stations are currently being heard within 6
> miles of Hara.....
> > =========================================================
> > Looking locally at the details in the "Stations Heard" list, I am
> noticing a somewhat odd behavior. There are two stations on-site at the
> Hara Arena (venue of the Hamvention)serving as igates: W8FSM-11 and
> ON6WFO-10 . W8FSM is also acting as a digipeater (god only knows why in
> this temporary patch of TOTAL RF SATURATION).
> > However the vast majority of stations in the area are being igated by
> either W8GUC (about 5.5 mi / 8.8 km north-east) or W8VFR-1(about 20 mi /
> 32 km southwest) of the arena. Are the on-site igates so totally
> overloaded by the 2-meter RF onslaught that they aren't hearing anything?
> > ______________________________________________________________
> > --
> > Stephen H. Smith wa8lmf (at) aol.com
> > Skype: WA8LMF
> > EchoLink: Node # 14400 [Think bottom of the 2-meter band]
> > Home Page: http://wa8lmf.net
> > Long-Range APRS on 30 Meters HF
> > http://wa8lmf.net/aprs/HF_APRS_Notes.htm
> > High Performance Sound Systems for Soundcard Apps
> > http://wa8lmf.net/ham/imic.htm
> > http://wa8lmf.net/ham/uca202.htm
> > "APRS 101" Explanation of APRS Path Selection & Digipeating
> > http://wa8lmf.net/DigiPaths
> > _______________________________________________
> > aprssig mailing list
> > aprssig at tapr.org
> > http://www.tapr.org/mailman/listinfo/aprssig
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