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Misty Blue · 03-09-2006, 03:09 AM

GWC, cool sites! I never knew where the term "rose" came from.

MnM, right on again! The outside of the rose is true heading and the inside is magnetic heading. Magnetic variation changes about 2' (two minutes) westward each year around here. My chart's (Bizer calls it a map, lawyers) rose was developed in 1980. 26 years X 2' per year and you will find that the magnetic part of the rose is almost one full degree off to the east. Again, if you are trying to find Midway Island this may be important. If you are trying to fine Gar Wood's, probably not.

Here is one that will win you a few cocktails at the Yacht Club but I warn you it is very tricky!

What is the Eastern most part of the United States.

Hint: 49.

Misty Blue.

03-09-2006, 03:09 AM	#93
Misty Blue Senior Member Join Date: Jul 2004 Posts: 658 Thanks: 121 Thanked 283 Times in 98 Posts	A rose by any other name... GWC, cool sites! I never knew where the term "rose" came from. MnM, right on again! The outside of the rose is true heading and the inside is magnetic heading. Magnetic variation changes about 2' (two minutes) westward each year around here. My chart's (Bizer calls it a map, lawyers) rose was developed in 1980. 26 years X 2' per year and you will find that the magnetic part of the rose is almost one full degree off to the east. Again, if you are trying to find Midway Island this may be important. If you are trying to fine Gar Wood's, probably not. Here is one that will win you a few cocktails at the Yacht Club but I warn you it is very tricky! What is the Eastern most part of the United States. Hint: 49. Misty Blue.