Military
Military applications include devices similar to consumer sport products for foot soldiers (commanders and regular soldiers), small vehicles and ships, and devices similar to commercial aviation applications for aircraft and missiles. Examples are the United States military's Commander's Digital Assistant and the Soldier Digital Assistant. Prior to May 2000 only the military had access to the full accuracy of GPS. Consumer devices were restricted by selective availability (SA), which was scheduled to be phased out but was removed abruptly by President Clinton. Differential GPS is a method of cancelling out the error of SA and improving GPS accuracy, and has been routinely available in commercial applications such as for golf carts. GPS is limited to about 15 meter accuracy even without SA. DGPS can be within a few centimeters.
Read more about this topic: GPS Navigation Device
Famous quotes containing the word military:
“[I]t is a civil Cowardice to be backward in asserting what you ought to expect, as it is a military Fear to be slow in attacking when it is your Duty.”
—Richard Steele (1672–1729)
“The military and the clergy cause us much annoyance; the clergy and the military, they empty our wallets and rob our intelligence.”
—Franz Grillparzer (1791–1872)
“I’m not a military man, Captain. War holds no romance for me. The side effects are repulsive.”
—Richard Bluel, and Henry Hathaway. Major Hugh Tarkington (Clinton Greyn)