"Tell us -- if you can -- just RDF equipment pointing at some radio tower
many
miles away is different from a magnetic compass pointing at some lighthouse
a
mile away."

As soon as you figure out what you're trying to say, type it in.

--
"j" ganz @@
www.sailnow.com

"JAXAshby" wrote in message
...
joony, google "compass card" and read the first entry.

A magnet compass pointing at a lighthouse?? Perhaps if the lighthouse
is coincidentally due magnetic north.

--
"j" ganz