Take celestial azimuth and find compass error on each watch if the weather is fine.
如天气好，每一班测取天体方位求出罗经差。
How to get a phone's azimuth with compass readings and gyroscope readings?
如何让手机的方位罗经读数和陀螺仪数据吗？
The experimental results show that azimuth accuracy of fluxgate compass using tracking azimuth calculation method meets the accuracy requirements of geomagnetic compass.
给出了实验测试数据。测试结果表明：采用跟踪式航向解算方法的磁通门罗经的航向精度满足地磁罗经精度要求。
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