Magnetic Variation (was: Deviation)

[Bill Coleman]

>From:        Hank Kahrs, k2uvg@nfds.net
>
>Before we get too far we need to understand the difference between DEVIATION
>and VARIATION.  It is VARIATION that yall are talking about when you correct
>between MAGNETIC and TRUE heading.  DEVIATION is used to correct between
>COMPASS and MAGNETIC heading.  DEVIATION is the result of installing a
>compass in something like a boat or aircraft.  VARIATION is the result of
>the inconsistancy of the earth's magnetic fiels.

Sorry for the vocabulary problem. I was confused. (I will note that in 
aviation use, we deal with Magnetic Variation and Compass Deviation by 
applying the proper correction in order to fly true)



Bill Coleman, AA4LR           Mail: aa4lr@radio.org
Quote: "Not in a thousand years will man ever fly!"
            -- Wilbur Wright, 1901


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