Latitude, in degrees, of the first standard parallel, usually the nothernmost.

Latitude, in degrees, of the second standard parallel, usually the southernmost. This may be the same as PARM1 to obtain a conic with a single point of tangency.

Note: The northern (PARM1) and southern (PARM2) standard parallels are not interchangeable.

Latitude, in degrees, of the origin of the projection.

Longitude, in degrees, of the origin of the projection.

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