abstract:Direct navigation describes the method individuals use to navigate the World Wide Web in order to arrive at specific websites. Direct navigation is a 10 year old term which is generally understood to include type-in traffic.
Inourportalsite this isachievedbyprovidingdirectnavigation to allpageswithin the newsareaof the portal, butnodirect navigation to pages within in the MyWorkarea.
Small airplanes flying today already are equipped with sophisticated gear that just a few years ago was available only to airline or military pilots: terrain warning systems, synthetic vision, direct GPS navigation, and more.
In fact, most of the value-added uses for space today (GPS navigation, communications, direct broadcast TV and Radio, weather, photography and mapping) owe little to the Apollo program.
Though direct revenues alone would not make Galileo profitable, adding in the indirect economic gains resulting from better navigation of land, sea and air vehicles would produce a benefit-to-cost ratio of as much as 4.6 to 1.