A geodetic altitude (meters).

Input Format:

The height above sea-level in meters, as a floating-point number.

Operators:

-a

The unary minus operator changes the sign of its operand.

Use with do-loops:

When an Altitude variable is used as the dependent variable of a do-loop, the associated loop increment is specified as a Double constant.

Context:

The site command takes a altitude argument that tells the control system the vertical distance of the site from the local sea level.