I have a Local PRJ file that I want to use in QGIS but how do I convert it to PROJ4?
Details for the PRJ file as below (based of GDA94 / MGA Zone 53)
JMG
Authority: Custom
Projection: Rectified_Skew_Orthomorphic_Center
False_Easting: 54007.558
False_Northing: 79754.287
Scale_Factor: 1.0
Azimuth: 0.0
Longitude_Of_Center: 132.217585217
Latitude_Of_Center: -30.885645673
XY_Plane_Rotation: -1.430068
Linear Unit: Meter (1.0)
Geographic Coordinate System: GCS_GRS_1980
Angular Unit: Degree (0.0174532925199433)
Prime Meridian: Greenwich (0.0)
Datum: D_GRS_1980
Spheroid: GRS_1980
Semimajor Axis: 6378137.0
Semiminor Axis: 6356752.314140356
Inverse Flattening: 298.257222101