On Mar 12, 10:33 pm, "Roger Long" wrote:
But, and Larry too, he said he was using a reference compass. Since he is
not a sailor, I doubt that it is a gyro compass.

Probably metal on his person. ...

Didn't I say that? I just wanted to make sure that we all knew the
definitions of variation, declination and deviation before we got
started. Like you, I thought it was a deviation issue, though now I'm
leaning towards a bad jewel.

-- Tom.