>Except that pilots don't call it that, and will give you funny looks
>(even over the telephone) if you ask for magnetic declination.
Hi Bill
"variation" is correct. I lived with variation, declination, great circle,
rhumb line, etc. for 35 years and 25K flying hours.
Mid-west amateurs have little reason to worry about variation as
the "zero" line goes through Greenbay, Wis., and Louisville, Ky. It is
only 4 degrees West at Cleveland and 4 degrees East at St. Louis, MO. New
York City is 16 degrees West and Los Angeles is 15 degrees East,
Here in Northern Michigan I use the North Star (no worry about "true noon")
and forget about variation.
I still have maps with variation lines. An E-mail with your QTH will bring
your variation.
Vic, W1TYQ
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