World Magnetic Model (WMM) calculates the components of the Earths Magnetic Field. It uses the computational engine developed by the US NGDC (National Geophysical Data Center) and other agencies. Please dont use it for navigational calculations critical to safe navigation.

World Magnetic Model alternatives

MotionX GPS

#1 About.com Winner: Best Outdoor App#1 iPhone app, Backpacker MagazineTremendous - ComputerWorldThe software you need - NavigadgetMy favorite when I go hiking - Washington PostFavorite, hands down - Mac Observer The #1 multi-sport GPS app for the iPhone Great for hiking, biking, skiing, snowboarding, running, sailing, flying, navigating, geocaching, and more Over 5 million users, top rated around the world Most accurate iPhone GPS Best map selection: choose from 14 different sources including road, terrain, satellite, and marine map types Free map downloads worldwide Including OpenStreetMap, terrain maps, and NOAA marine charts Unlimited map downloading for use offline Save up to 300 GPS tracks & 2500 waypoints Live Position Updates: optionally share your position automatically in real-time with others you choose Optimized for use with the Apple Watch Advanced interactive stopwatch with voice coaching Supports DMS, DM, D, MGRS, UTM, and OSGB grid systems Record GPS tracks and waypoints, follow saved or imported routes, import and export GPX files, and much moreContinued use of any GPS service running in the background can significantly decrease battery life. MotionX is committed to constant improvement. Thank you for the feedback

  • rating 3.66667
  • size 56.5 MB

MapTool - GPS, Compass, Altitude, Speedometer, UTM, MGRS and Magnetic Declination

A must have toolkit for every outdoor enthusiast: climber, hiker, off-road driver. All the essential tools for navigation are integrated seamlessly in one app. MAP GridHigh precision grid combined with predefined scale values for both metric and feet/miles (click Scale button)BATTERY FriendlyTurns off GPS in compass only and browsing modes to improve battery savings

  • size 17.7 MB

Gaia GPS Classic

Gaia GPSGaia GPS\Your Verse\OutsideTrailRunnerTappedInGaia GPS2009Gaia GPSGaia [email protected] (guy-yuh) www.gaiagps.com/map Gaia (USGS, USFS, NRCan) www.gaiagps.comGaia FacebookTwitter NEXRAD Gaia POI iTunesSafari DropBoxGPX/KML Gaia GaiaProGaiaPro www.gaiagps.com MapBoxOpenStreetMap Wunderground GaiaCloud http://support.apple.com/kb/ht4098 2424iTunes iTunes http://www.gaiagps.com/gaiacloud-terms/ http://www.gaiagps.com/terms_of_use IPOD TOUCH WIFI ONLY IPADSGPSGPS

Pro Compass

Pro Compass replicates the look and feel of classic pocket compass hardware in use since the 1800s, adding modern features and technologies. The app uses advanced OpenGL graphics (normally reserved for games) to render 3D floating compass hardware for realistic operation. Be aware that we are not able to respond to iTunes reviews, so please do not leave a review if you need tech support or assistance, or are confused about accuracy or operation of the app.

  • rating 3.72727
  • size 2.3 MB

Theodolite

40%-OFF SALE Theodolite is on sale for 40%-off to celebrate its seven year anniversary As seen in Apples Special Event Keynote, Theodolite is a multi-function viewfinder for iPhone and iPod touch that combines a compass, two-axis inclinometer, rangefinder, GPS, map, nav calculator, tracker, and geo-tag photo/movie camera into one indispensable app. Uses are endless, and the app is great for hiking, boating, hunting, golf, outdoor sports, sightseeing, navigation, and finding your way around. iPod touch devices do not have GPS or compass hardware.

  • rating 4.58993
  • size 6.6 MB