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[aprssig] The best resolution of position from APRS

w9jbl at comcast.net w9jbl at comcast.net
Tue Jan 3 15:33:26 UTC 2006


This begs the question of how many APRS users have an APRS-capable Kenwood radio?  I personally know of only one ham who has a KW D-700.

w9jbl

-------------- Original message -------------- 
From: "J. Lance Cotton" <joe at lightningflash.net> 

> Andrew Rich wrote: 
> > Which begs me to ask. What is the best resolution and how from the APRS 
> > Spec ? 
> 
> The best resolution is to use compressed mode. Unfortunately, several 
> months ago, Bob said that no one should use it at all, lest the be 
> tempted to use it on an Object or Item which wouldn't be decoded by the 
> Kenwoods. 
> 
> If we all used compressed position packets (on all but items and 
> objects), all of our packets would be so much shorter and the 144.39 
> channel could support more users (or rather could better support the 
> existing ones!) 
> 
> And we'd get the advantage of increased numerical precision, if not 
> accuracy (depends on the GPS). 
> 
> -Lance 
> -- 
> J. Lance Cotton, KJ5O 
> joe at lightningflash.net 
> http://kj5o.lightningflash.net 
> Three Step Plan: 1. Take over the world. 2. Get a lot of cookies. 3. Eat 
> the cookies. 
> 
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