Pilot
A PDA Sat Nav is used to store information, files, read emails and provides a navigational system. This is different from the GPS as the GPS is used more for travelling long distance.
Navigation is the process of planning and controlling the movement of a vehicle from one place to another using navigational tools such as maps and GPS.
Navigational tools such as maps and compasses are essential for hikers to find their way through the wilderness.
for navigational purposes
a compass and assrolabe
Amerigo used the Astrolabe and the Quadrant
cell phones and computers (:
What is a navigational menu? How it is used in web sites?
He used celestial objects and compass.
he usd a compass and an astrolabe.
tracking radar
A navigational compass shows the way to North. A mathematical compass (actually used in the plural: compasses) allows you to draw circles accurately.