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maritime satellite phones and iridium phones
Mar. 13, 2024
Maritime satellite phones and Iridium satellite phones are two different satellite communication systems. Their differences mainly include the following aspects
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magnetic compass calibration
Mar. 11, 2024
Choose a wide area of water where the magnetic variation of the geomagnetic field changes relatively little, and conduct it when the weather and sea conditions are good. Understand the structure of the ship's magnetic compass, and distinguish the control knobs corresponding to the longitudinal magnetic rod and the t...
maritime beacon
Mar. 08, 2024
A maritime beacon is a device used to mark waterways, obstacles, dangerous areas, etc. It usually consists of a lighthouse, buoys, light floats, light piles, etc., all of which require batteries to provide power. There are several steps to replace the maritime beacon battery
magnetic compass error
Mar. 06, 2024
Magnetic aberration is caused by the misalignment of the geomagnetic pole and the geographical north pole. It is the angle between the magnetic north pole and the true north pole, also known as magnetic declination.
magnetic compass and magnetic compass
Mar. 04, 2024
Magnetic compass and magnetic compass are two different names. They refer to the same instrument, that is, an instrument that uses a magnetic needle to point to the magnetic north pole under the action of the earth's magnetic field.
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