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COMPASS For Windows
Compass Tour
New Features: 99-15
Cartography Tools
Live 3D Cave Images
On-line Help (New)
Written Description
History: 99-15
Testimonial Letters
Contact Author
Getting COMPASS
Getting Compass
Compass On A CD.
Download/Install Issues
Installation Instructions
Antivirus Issues
Authenticating Files
False Positives
Registration Information
Credit Card Reg.
Reg. Info/Forms
Printable Reg. Form
3rd Party Reg. Form
Auxiliary Tools/Information
Cave Data
3D Glasses
ESRI/ArcView Tools
Tutorials - (New)
Radio Locations
Magnetic Anomalies
Installing Under Win8
Compass on A Mac
Google Earth Overlay
Declination/Convergence
Cartography Tools
Sketch Editor.
SVG Export
Inkscape SVG Maps
Illustrator SVG Maps
SVG Round Tripping
Adopting SVG Maps
Complex Plot Tutorials
Trouble Shoot CaveX
Exporting HPGL
Canvas Digital Map 
ArcView/ESRI
Italian Tutorial
Using the Compass CD
DEM Tutorial
Links
Cave Related Links
User's Pages
User's Group
User Questions
Documents/White Papers
Compass File Formats
ArcView/ESRI
Finding Blunders
Finding Loops
Loop Closure
Least Squares Papers
Least Squares Issues
Passage Modeling
Survey Blunders
J. Halleck- On Loops
History/Philosophy
SEF File Format (1992)
About The Author
COMPASS For DOS
DOS Compass Demos
DOS Compass Features
Magazine Review
MISC.
Other Products

 

Authenticating Compass files. If you have any question about the authenticity of any Compass file, including whether it has been tampered with or has been corrupted, it is easy to check right from Windows. Just right click on the file, choose the "Properties" option and select the "Digital Signatures" page. If the Digital Signatures page does not exist, it means the file has not been signed. If the Digital Signatures page does exist, it will give you detailed information about the certificate.  All the details should match Fountain Computer through Comodo. The following images illustrate the process:

 
   
   
 
 
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