tomdiving - 2-4-2019 at 03:16 PM
interesting article about how gps works. if you have an older unit, the end of the article may apply to you.
tom
http://www.todayifoundout.com/index.php/2019/03/how-does-gps...
RedSky - 2-4-2019 at 11:18 PM
Good read, and despite the reassurances, I'd hold off booking that flight for April 6.