[aprssig] Interesting APRS RF Behavior at Dayton....
Gregg Wonderly
gregg at wonderly.org
Fri May 16 21:01:23 EDT 2014
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.
Gregg
W5GGW
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 link.
>
> 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
>
>
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