There is another option, I asked the question last spring when questions came up about the time it takes to send a message with the SPOT. I think the SPOT is still a good product but a "Personal locator beacon" or PLB is the other option. They are more expensive and don't have all the features that spot has but they work very quickly. I think if you just do a google search you'll learn all you need or PM me and I'll send you the info I have from someone in Wa. state that has personal experience with them. I forgot to mention that I don't think they have a annual fee, so in the long run cheaper.
KM