Definitions for

**"Slant Range"**The line of sight distance between two points not at the same elevation (normally a determined range from a radar set and the aircraft detection range). The line-of-sight distance between two points in space.

The distance from an explosion to an observer is called the slant range. For a burst height, h, and a distance, d, from ground zero to a given point, the slant range, D, is from the Pythagorean theorem.

Direct line distance, not along the ground.

This is the length of the path between a satellite and a particular earth station.

The length of the path between a communications satellite and an associated earth station.