Use your iPhone/iPod/iPad on its edge, as a Hand Bearing Compass.Press the screen to take a sight.After 3 sights, go to the chart table !The Magnetic variation is calculated, depending of your position, using the WMM algorithm and data.Notes :To save battery life, position is refreshed with an accuracy of 1NM.Bearings are displayed in Magnetic (M). You have to apply MagneticVariation to determine the True North (T).References : - WORLD MAGNETIC MODEL : http://www.ngdc.noaa.gov/geomag/WMM/DoDWMM.shtml - Moon Calculations : ELP2000 theory - Jean Meeus. Astronomical Algorithms
免費玩Hand Bearing Compass APP玩免費
免費玩Hand Bearing Compass App
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| 熱門國家 | 系統支援 | 版本 | 費用 | APP評分 | 上架日期 | 更新日期 |
|---|---|---|---|---|---|---|
| 未知 | iOS App Store | 1.3 App下載 | $9.99 | 2012-03-07 | 2015-06-04 |
