Justin, Not quite sure why there are negatives showing up in the comments... your first few articles are all on par with Tyler's, which is to say they seem great to me and better than anything else I see on the internet.

Not really that intimidating, in fact so can you. Almost all US GPS units now receive GPS, GLONASS and GALILEO signals. So if you are afraid of an Air Force that uses handheld GARMIN GPS to navigate over hostile territory, you should swing by Walmart and get several boxes of Depends!