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Pocket GPS World :: View topic - Fugawi Accuracy!
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Fugawi Accuracy!

 
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ncp218
Occasional Visitor


Joined: Sep 21, 2003
Posts: 5

PostPosted: Sat Oct 18, 2003 4:24 pm    Post subject: Fugawi Accuracy! Reply with quote

I have been running this setup:-
Garmin eTrex
Fugawi
Sony Clie

For the past week or so. The system works fine on the 1:250,000 scale and 1:1,000,000 scale and shows my position accuratly, well as accurate as you can get. I tried to plot my route home from work the other night, 6 miles or so, on to a 1:50,000 scale map extract. When I uploaded this to the PC I noticed that I was always about 15-20m away from the actual position on the map compared to the track. Is this beacause I had not
"uploaded" the map at 100% per cent scale in order to see more on the screen, or is there some kind of adjustment I can apply in order to improve this. I understand that GPS's are only accurate to about 20ft max but to be 20m away seems a bit extreme, especially if you were using the map for walking and wanted to know where you were!!!!
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kartracer
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Joined: 26/03/2003 20:15:33
Posts: 502
Location: United Kingdom

PostPosted: Sat Oct 18, 2003 7:02 pm    Post subject: Reply with quote

Are the eTrex and Fugawi set to use the same datum? i.e either both on WGS84 or both on OSGB.
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MikeB
Pocket GPS Staff
Pocket GPS Staff


Joined: 20/08/2002 11:51:57
Posts: 3859
Location: Essex, UK

PostPosted: Fri Oct 24, 2003 10:45 am    Post subject: Reply with quote

Both will be using WGS84 so that shouldnt be the problem. I found this too when I was testing the app. Strangely I found that at different zoom levels the position becomes more or less accurate.
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