價格：免費
更新日期：2020-06-07
檔案大小：3.1 MB
目前版本：3.3
版本需求：系統需求：iOS 9.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
Accordingly with your position and time, the sun and moon positions are refreshed in real time into the compass rose.
You should rotate the wind rose with your fingers until the rose reach the Sun or the Moon.
The rose immediately displays the TRUE NORTH.
This application can be very usefull for the mariner navigating in uncertain magnetic areas or to calibrate its main compass.
支援平台：iPhone, iPad