The Nearby.org.uk site has a pair of replacement compass indicators for Google Earth:
The Compass Star replaces the standard Google Earth compass indicator:
with one that has an angular degree scale, and finer divisions:
The Magnetic Compass is supposed to do something similar, but this time displaying the direction of magnetic north at any location:
… but sometimes it doesn’t seem to work right.
NOAA has a website that will give you the magnetic declination (the deviation between true and magnetic north) for the present, or any date after 1900, for the entire world. For the US, there’s also a page that gives you that value for dates before 1900. Links to graphic maps of declination and other info are available here.
Other posts in the Google Earth Tools series
- Using UTM Coordinates In Google Earth
- Share Positions In Google Earth
- New Version Of Globe Glider
- Yahoo Pipes Adds Google Earth Support
- Plotting Public Land Survey System Locations In Google Earth
- Panorama, Peak Identification And Viewsheds In Google Earth
- Colored Country/Subdivision Google Earth Polygons With "Color Your Map"
- Useful “Nearby” Utilities For Google Earth
- Simple On-Line Disaster Modeling In Google Maps And Google Earth With CleerImpact
- Dynamically-Sized Scalebar In Google Earth
- FlashEarth In Google Earth
- Horizon Terrain Profiles In Google Sky
- Creating Panoramas Using Google Earth
- Determining Google Earth Path Lengths
- Google Earth’s Hidden Flight Simulator
- Updates To The HeyWhatsThat Planisphere
- Two Google Earth Design Blogs
- Google Earth Index For US Army Map Service Topographic And City Maps
- A Simple Online KML Polygon Creator - With Holes!
- Compass Indicators In Google Earth
- Real-Time Satellite Visualization In Google Earth
- Easy Ways To Get Latitude/Longitude For A Screen Point In Google Earth
- Yet Another Way To Get Position Coordinates In Google Earth
- Update To Google Earth Position Application
- Displaying Datasets In The Google Earth Plugin With Earth Atlas
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