[amsat-bb] Re: GPS Time observation

Dave Guimont dguimon1 at san.rr.com
Thu Feb 2 10:28:32 PST 2012

Interesting question, Vince...am sure someone on here will be able to 
answer it. I know at one time the civilian population was restricted 
from the most accurate location, and as I also remember the military 
accuracy was within a centimeter if several observations were 
taken...Nice to see your smiling face on here, my friend...


73 Dave

>I have an old GPS unit, a Magellan explorist 210. It's fairly 
>accurate determining position. After it has acquired about eight to 
>ten satellites the position error averages between 20 to 35 
>feet.  Now the question, the other day I was looking at one of the 
>information pages the unit can display and on it, it gives the time 
>in UTC. Just for fun I thought I would see how close the time was to 
>WWV. I was surprised to see the unit was between one to four seconds 
>off over various tests compared to WWV. IS this typical of all GPS 
>units or do some display the time of day more accurately?
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            73, Dave, WB6LLO
                dguimon1 at san.rr.com

                    Disagree: I learn....

               Pulling for P3E... 

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