Steering by automatic pilot and by magnetic compass in stead of automatic pilot measure the exactness of magnetic compass by qualified calibrator and provide compass adjustment card.

自动驾驶仪操舵和用磁罗经代替自动驾驶仪，通过合格的校准器来测定罗经的正确功能并提供罗经校正卡。

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This paper gives a brief description of various kinds of facilities, reconnaissance and surveying, and design of transit marks of a swinging ground for magnetic compass adjustment.

本文对磁罗经校正场的设备种类、勘察测量和标志设计等作了扼要的阐述。

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