Latitude, in degrees, of the first standard parallel (usually the northernmost).

For this projection, there is no distinction between the northern (PARM1) and southern (PARM2) standard parallels; that is, they can be switched with no effect.

Latitude, in degrees, of the second standard parallel (usually the southernmost).

This parameter is sometimes set to the same value as PARM1 to obtain a conic with a single point of tangency, that is, a single standard parallel.

The longitude, in degrees, of the origin of the projection.

The latitude, in degrees, of the origin of the projection.

The false easting to be applied to all X coordinates, usually selected to cause all X coordinates within the coordinate system to be positive values of reasonable size.