Just need to clear something up. All GPS units have a Compass/Altimeter and operate very well but they operate off of satelite triangulation. The C/A we are talking about here is "Electronic" Compass and Altimeter in addition to the satelite C/A. Having an electronic C/A means you can be s...

Hi All, I have an old Garmin GPS III and just purchased a new Mag. Meridian Platinum. I did a lot of shopping and research (go here for great reviews.. been using them for years.. http://gpsinformation.net/ I have always been partial to Garmin and never looked at the Magellen but after my last resea...

I have an old Garmin III and am upgrading to a Magellan Meridian Platinum (on the way via UPS and delayed do to snow back east) because I wanted the electronic compass and electronic altimeter. Both of these features (in the Magellan) can be switched off at any time and the unit will switch to trian...