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Old 09-10-2021, 09:41 AM
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Outcast (Carlton)
Always gonna be a NOOB...

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Join Date: Oct 2008
Location: Cairns, Qld
Posts: 1,285
Quote:
Originally Posted by LewisM View Post
You move it in azimuth according to magnetic variation for the site, which for Warranambool is 10.8°E. Therefore, you SUBTRACT 10.8° from 180°, which is 169.2° for TRUE South (where you point).


The latitude of 38.4 is to set the altitude of the mount (the equatorial angle)
Sorry but, that is incorrect. East is a positive, west is a negative. Variation is always added no matter where you are... Thus a variation of 10.8E is added to 180° resulting in a bearing of 190.8°.

28yrs Navy, navigation specialist: Nmeumonic drummed into our heads is C A D E T = Compass ADd East True

Cheers

Last edited by Outcast; 09-10-2021 at 10:42 AM.
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