My handheld gets a good signal (generally about 10 sats) with no problem using the built in
antenna, even in a vehicle with a steel roof.  I have never seen the need for an external
antenna.

Bill in the Southwest

----- Original Message ----- >
> Aristotle Sagan wrote:
> > My recommendation is that with the fiberglass top on the Westy, you
> > permanently mount a good quality GPS antenna under the fiberglass top
> > somewhere in the bed area. No holes for water to leak through, much better
> > reception than most smaller dash mount antennas, and no way for young punks
> > to steal anything. I like the big (about 3 inch diameter) flat ones.