On Apr 5, 7:31 am, Mxsmanic wrote:
Jose writes:
"It must be true - I found it on the internet"

I think you'll find that the more you research about the geomagnetic field,
the less reliable you find it to be for navigation.

I think you'd find that if you flew, you'd find that you don't know
**** from shinola:

I've crossed oceans, preGPS and with no inertial systems,; and ended
yup withina few miles, which is the same accuracy as an INS BTW, of my
landfall target:

You; OTOH; sit in your room and jerkooff



Bertie