He pulled a virtual compass from the air, which pointed towards the last known points of the three connections.

The farthest explored known point is about 272 meters, but its real limits are still mysterious.

Start at a known point or with a known angle, which is the basis of all navigation.

If transmitter and receiver are at known points, the location variable has a value of zero.

Dead reckoning starts from a known point (the fix).

These were the only known points on the central coast and had been reached in 1793 and 1771 respectively.

In every country, thousands of such known points exist and are normally documented by the national mapping agencies.

The Rover carried a navigation system that could calculate the distance and direction of a known starting point.

By travelling to a known point this could be calibrated.

This area has over 100 known points where drugs are sold.