Maybe the recent spate of posts about cross-posting has made me sensitive,
but since homing/tracking is an IFR exercise, why post anywhere other than
rec.aviation.ifr?

Bob Gardner

"John Bell" wrote in message
...
I got interested in the effects of homing on a waypoint as opposed to
tracking. I have seen the illustrations and have understood the concept
for
some time, but I have never seen any numbers. If you are interested here
is
the results of my playing around with Excel:

http://www.cockpitgps.com/other_arti...rack_error.htm

John Bell
www.cockpitgps.com
www.smallboatgps.com