[aprssig] APRS for a motorcycle - radios?
Curt, WE7U archer at eskimo.comTue Feb 14 22:33:46 UTC 2006
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On Tue, 14 Feb 2006 apratt at bestbits.org wrote: > Thank you, everybody, for the leads. It sounds like the TinyTrak > solution isn't "bad," it's just limited. If my proposed application > falls within those limits (and I think it does), then I can use > TinyTrak successfully. Yes. Or you can use a TinyTrak or OpenTracker along with an AntiTracker. > I asked elsewhere and was advised that a 5W-7W HT is not likely to be > adequate for the areas where I want to be tracked. Obviously 2m is LOS > but in mountainous, remote Northern California, or the eastern and > western Sierras, or the Central Coast, or the vast desert areas, > wouldn't the extra punch of a 25W mobile make a big difference? Yes. I have a 50W mobile in my Jeep with a couple of permanent-mount antennas. Don't recall which I'm using for APRS right now but I think it's the 1/4 wave on top. I run the radio at medium power most of the time off an OpenTracker, so that's like 20 or 25W. When I go into the mountains (which ain't far) I sometimes bump it up to 50W. For the most part in the hills/canyons 20W works out just fine for me. My commute goes from sea-level to hilly terrain/river canyons and I do pretty well. The 1/4 wave gives me a higher radiation angle than the 5/8 wave, so I seem to get out of the canyons better with it. -- Curt, WE7U. APRS Client Comparisons: http://www.eskimo.com/~archer "Lotto: A tax on people who are bad at math." -- unknown "Windows: Microsoft's tax on computer illiterates." -- WE7U "The world DOES revolve around me: I picked the coordinate system!"
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