Hi I would have agreed with everything Mark said about the accuracy and - that is until I got my latest GPS a Garmin GPSmap 60Cx. It works astonishingly well even in thick forest - the improvement is out of this world - it even works inside buldings! It's something to do with the new chip that's inside
Alastair On Tue, Oct 13, 2009 at 2:44 PM, Mark Roberts <[email protected]> wrote: > A few thoughts: > > I've owned several handheld GPS units, all either Magellan or Garmin. > I've found all the Magellans to be much more user friendly. > > For the past couple of years I've been working on a book about hiking > and photographing on the extensive trail system around Grandfather > Mountain. I've been gathering GPS data for the trails and for the > places where I've shot particularly good landscape shots, visiting > every place for which I intend to give co-ordinates multiple times > with multiple different units, so I've gained a *lot* of experience in > gathering GPS data for photographs. Here's my take: I would never even > consider a camera with built-in GPS. Nor one of those add-on GPS units > that goes on the hot shoe (neat idea, though). I will *only* consider > a GPS unit that shows me the co-ordinates *and* the margin for error > *and* the number of satellites it's tracking. The amount of variance > you can get with GPS (especially if you're somewhere interesting like > a mountain) is astonishing. Don't believe the accuracy statements you > read in the advertising, real-world accuracy can be orders of > magnitude worse (that's in the fine print of the ads). > > On the top of a mountain or on a wide open plain you get amazing > accuracy. Low on a mountain or under heavy tree cover or in a valley > or some combination of those... you get awful accuracy. In between? > You get in between accuracy, of course. You want a GPS that will > *tell* you where you are in that vast expanse called "in between". > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

