Search found 24 matches

by esbark
Sun Jul 30, 2006 11:11 am
Forum: General FAQs
Topic: Calibrating OSGB Maps
Replies: 21
Views: 56222

Calibrating OSGB Maps

Well I am afraid that I am going to have to give up on Pathaway. I still cant crack it and really need to progress. I calibrated my local map set as Fergal_om suggested with the same results as before. My position on the map is 400metres south of where it should be. My map is cropped at grid interse...
by esbark
Fri Jul 28, 2006 6:42 pm
Forum: General FAQs
Topic: Calibrating OSGB Maps
Replies: 21
Views: 56222

Calibrating OSGB Maps

Fergal_om,

No, I havn't tried that, I followed The Snakes way as I said. What you say makes sense. I concluded that I needed to shift the downloaded position at the GPS end. I suppose thats the same as shifting the datum at the mapping end as you do.

Will have another go
by esbark
Fri Jul 28, 2006 2:06 am
Forum: General FAQs
Topic: Calibrating OSGB Maps
Replies: 21
Views: 56222

Calibrating OSGB Maps

well I had another go without success i am afraid. I did not do as I suggested by using the snakes map but instead I started with a brand new map and calibrated it projection-ord srvy grt britn-OSGB. the palm showed my position to be roughly 400 metres in error. I then calibrated the map again using...
by esbark
Wed Jul 26, 2006 1:32 pm
Forum: General FAQs
Topic: Calibrating OSGB Maps
Replies: 21
Views: 56222

Calibrating OSGB Maps

Thanks Snake. Actually Pathaway wont allow the GPS to use OSGB as its Datum, it gives out an " unacceptable datum " message . I naturally had the gps set to that initially but after seing that message I did as you say, set the GPS to WGS84. So that istnt the problem. Anyway my gps put my position on...
by esbark
Tue Jul 25, 2006 11:55 pm
Forum: General FAQs
Topic: Calibrating OSGB Maps
Replies: 21
Views: 56222

Calibrating OSGB Maps

Well "The snake" I sent your test.prc map to the palm, made sure that the coordinates setting preferences were as you said. Datum = WGS84 , use current map datum unchecked. I then put my GPS12 into simulator mode and typed in a position which I knew would fall on an exact intersection of gridlines o...
by esbark
Sun Jul 16, 2006 2:51 am
Forum: General FAQs
Topic: Calibrating OSGB Maps
Replies: 21
Views: 56222

Calibration Of OSGB Maps

Thank you TheSnake "3 points skewed is the secret" I am on holiday next week but I will check it out on my return and let you know how I get on.

Cheers :lol: [/img]
by esbark
Sat Jul 15, 2006 12:08 pm
Forum: General FAQs
Topic: Calibrating OSGB Maps
Replies: 21
Views: 56222

Calibration Of OSGB Maps

Hello TheSnake, I am just about to renew my efforts to use pathaway on my palm IIIX. I have been trialing gpspilot ATLAS for some time and its accuracy is spot on. It uses a map generator called "cartographer" which uses the common top left bottom right method of calibrating. Unfortunately using lat...
by esbark
Wed Jul 12, 2006 6:32 pm
Forum: General FAQs
Topic: Calibrating OSGB Maps
Replies: 21
Views: 56222

OSGB Calibration

I asked this same question exactly one month ago and got no replies. Please , Please would any user in GB help us? Surely someone is managing to do this??? and could spare 5 minutes to post a few screen shots to help the rest of us. afterall if we cant calibrate the maps accurately the program is of...
by esbark
Mon Jun 12, 2006 7:52 pm
Forum: PathAway GPS 4 SE for Palm OS - Support
Topic: Calibrating OSGB maps, Should I Use MAP MANAGER or TOURATECH
Replies: 0
Views: 3264

Calibrating OSGB maps, Should I Use MAP MANAGER or TOURATECH

I am Just starting to trial Pathaway and read that a lot of difficulty is being had by people using MAP MANAGER to calibrate OSGB maps accurately. Since Pathaway recommends TOURATECH QV software would this work better? If anyone can offer a suggestion or better still is completely familiar using eit...

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