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Old April 19th 11, 02:28 AM posted to rec.aviation.soaring
Sean Fidler
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Default Mapping software problem. How to build .twf (geo-location) into ascan of the right map?

I have a perfect high res scan of Michigan Aeronautical Chart (ideal for the 2011 R6N Contest Ionia Flying Area) and need to figure out how to create a suitable(.twf) file for use with GlidePlan Contest Map creation software

The "geolocated" sectional file (http://www.glideplan.com/download/se..._download.html) offered by GlidePlan stinks. It is basically a very poorly mated combination of 2 scanned sectionals (Detroit & Chicago) for Ionia, MI Michigan area. Can anyone help, do this or point me in the right direction?

So far I see ArcGIS Desktop (downloading a trial to see if it can do this) and AutoCAD.

GlidPlan support cannot create geo-located files from the scanned image the FAA provided me. I am attempting to do it myself.

Thanks in advance for any help you can offer.

Sean