How To Calculate Compass Error by Azimuth of the Sun

Thursday, April 28th, 2016 at 20:01 | by Alistair Baillie

A short video where I explain how to calculate a ships Gyro or Magnetic compass error from a bearing of the Sun by calculating the direction (or azimuth) of the Sun.

Ask any questions in the comments – I’ll do my best to answer them.

DOWNLOAD!
Pro Forma: Gyro Error Pro Forma

NOTE: This video makes use of selected pages from the British Admiralty Nautical Almanac (Admiralty Publication NP314). The example uses the 2016 version of the publication so if you’re doing the calculation for a different year the numbers won’t be the same.

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