https://www.miamiflightacademy.com//wp-content/uploads/2014/11/MiamiFlightAcademy.png00Miami Flight Academyhttps://www.miamiflightacademy.com//wp-content/uploads/2014/11/MiamiFlightAcademy.pngMiami Flight Academy2018-05-15 13:59:052018-05-15 13:59:05What is the minimum number of Global Positioning System (GPS) satellites that are observable by a user anywhere on earth?