[aprssig] Question about low power APRS in Los Angeles area
ramirault at erols.com
Wed Oct 19 18:49:43 CDT 2005
----- Original Message -----
From: "Jim Lux"
Subject: [aprssig] Question about low power APRS in Los Angeles area
> I now have experimental evidence that Bicycle or Hiking mobiles (think "HT
> on high power") in this area are not well served. In half a dozen 30-60
> minute bicycling trips through the hills and vales west of JPL, I've
> managed to get an average of one packet into the network per trip,
> something like a 3% success rate. Clearly this won't do.
> Running 25 watts bicycle mobile is problematic and is not a good "routine"
Why is running higher power, or changing the network your only two options?
I assume that you are using the built-in rubber duck for an antenna, and
maybe (you didn't say) that HT/antenna is placed close to your body further
reducing it's effectiveness. Changing over to a full mobile antenna (or
better) would give your HT *much* better coverage. There are those of us
(hams) who run bicycle mobile and have experience with this (usually on
Richard Amirault N1JDU Boston,
www.erols.com/ramirault "Go Fly A Kite"
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