Fred Schroyer wrote: > I don't know how everyone is deriving their bearing angles...but if you are > doing it crudely, like I am, with a portable receiver & a hand compass, you > have to adjust for magnetic declination to get the true "map north" bearing. > In my case, here in SW PA, the magnetic declination is 9 deg W. 9 deg can > make a BIG difference over a distance. Declination varies widely with > location; it's easy to find yours online. Whether you add or subtract the > declination from your compass reading depends on where you are. This is a > very signif potential source of error in our readings. And I can never > remember whether to add or subtract it; have to figure it out each time!
I'm fortunate enough to live three houses from a major street that happens to run due east/west...so for me, it was a simple matter of lining up the radio with Elmwood Avenue to get my bearings! :-) (It was even easier to align the Yagi on the roof...) s _______________________________________________ IRCA mailing list [email protected] http://montreal.kotalampi.com/mailman/listinfo/irca Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers For more information: http://www.ircaonline.org To Post a message: [email protected]
