Wirelessly posted (Moto Droid Bionic: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_3; en-us) AppleWebKit/533.16 (KHTML, like Gecko) Version/5.0 Safari/533.16)
Thanks all for the YNP cell coverage. Spot on. Just for giggles and grins, I ran both VZN and the Magellin 4700 to see what would happen. The 4700 clearly showed the hairpins and twisties ahead; VZN did OK in population clusters and atop the divide. But trying to get directions to West Yellowstone MT both units gave bogus turn instructions off the loop on the west side of the park. Not good form, but my internal sense of direction put me right.
FWIW in West Yellowstone, Speedtest shows 3G Mbps 1.4 up/0.5 down.
Again, today's cell tower data was uploaded to OpenSignal. HTH.