"Josh Assing" wrote in message
...

Why an external antenna? My internal has no problem getting lock while
mounted to the dash.


My (stolen) 300 series with internal antenna kept loosing locks and had
****
poor accuracy; unless I moved it away from the window frame....


Borrow someones newer model and see if it has a problem.

Borrow someones newer model and see if it has a problem.


I just heard back from (yet another) garmin tech that says the 540s, while
having an internal antenna, has the bnc connector to use an external as well...

I think I'll hve to go to a store tho and hold it in my hand to be sure..