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And no good if it doesn't perform in an emergency. In my experience, a smart phone's GPS is nearly worthless when there is no carrier signal.So I still reckon phone is his best bet. No additional space. No additional cost. No additional power needed.
I can't say as though either of those models specifically will-- perhaps they will not. As we know the manuals are not always a perfect indication of the devices capabilities. I have an older Forerunner as well as an older Edge, both of which will show lat/long. Perhaps it has been removed from some more recent models.
I disagree a little bit with the smartphone approach. Without access to a cellular signal, the GPS in smartphones are typically very low power and struggle to acquire a fix even in open areas. Battery life of the phone will also tank in that scenario.
I'd look towards something like a cycling GPS or a running/watch GPS. Something like the Edge 20 or Forerunner 10 would seem to be a better fit for this situation. Good battery life, no reliance on cellular (even to assist with getting a fix on location), very small, and durable. Those devices will probably get a GPS fix faster and more accurately than a smartphone without a cellular connection. You won't likely get it under $100, but you would be close.
When out hiking, often I decide I'd like to carry a GPS as an emergency backup to determine my exact location. I don't need to lug around a full handheld GPS and I always have paper maps with me. My phone will never get a signal and I don't want to burn the batteries trying to get a GPS fix. So I'll often carry around one of my Garmin Edge devices in a similar fashion. If I need it to determine my exact location, it is there quickly and reliably and takes up minimal space and weight.
No, the big retailers know how to avoid cart abandonment from the start.
It seems like Garmin could have the following options.
1) Create their own maps.
2) Purchase TomTom.
3) License maps from TomTom.
4) License maps from Google.
5) Use OpenStreetMap. (Note, TeleNav is doing this already.)
6) Continue licensing from whomever purchases Here.