[aprssig] Coverage holes in OK?
kris at catonic.us
Fri Jan 6 14:50:18 CST 2012
On Fri, 6 Jan 2012, Alex Carver wrote:
> I just drove cross country from FL to CA using the Florida Turnpike,
> I-75 to Georgia, I-22/US-280/US-78 to Tennessee, then I-40 to
> California (check my route on aprs.fi). I had my D700 with me at 25
> watts with a 3 minute beacon going out as WIDE1-1,WIDE-2-2 (covered
> all areas so that I didn't have to fiddle with the radio en-route).
> Looking at the map, there were some huge holes in Oklahoma. I didn't
> exactly expect that given the flatness of OK. I was picked up very
> well in Oklahoma City but didn't get digipeated or gated until I
> reached Amarillo, TX. East of Oklahoma City there was another large
> hole between Oklahoma City and Ft. Smith, AR.
> There are a couple other holes on the route but none quite as big as
> Oklahoma City to Amarillo.
> Note, I'm considering a hole as an area where I traveled 50 miles or
> more without a single gate or digipeat (digipeat being the D700 saying
> MY POS if it managed to hear its own packet). All these areas were
> quiet both in the car and on APRS-IS given the track data. Other than
> these hols coverage was pretty good even in remote places and small
> towns (like Alexander City, AL). Coverage in NM, AZ, and CA most
> likely benefited from mountain top sites that could cover huge areas
Nice track, I'll pass along the holes around Birmingham on to fellow
amateurs. Fortunately, IGATES don't need transmitters, just a little bit
of internet connectivity.
Kris Kirby, KE4AHR
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