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Based on this, I forsee the next generation will be one that can optimize your list of stops over a long serial loop......maybe on a removable stick that plugs into the GPS...can always wish anyways.
This sounds like a nice set up- I would like to have both XM and GPS but did not want things on both side of the handlebars. So,an I'm right that with this set up you have to have the GPS mounted to listen to the XM and the XM goes thru the GPS?I have a Zumo 550 with the GXM antenna reciever for Xm radio. I love the whole setup, and after the first few days you don't fidgit with it so much. I have an audio line from the Zumo to the aux on the radio so all gps audio go through the radio.
kemo