Custom Coordinate System

Hello! I am working in a custom IDOT coordinate zone in Illinois, a Low Distortion Zone created in 2022. Is there a way to create this in RockCloud or RockDesktop to aid for alignment of my GCP data?
The data is below!

Projection: Transverse Mercator
Latitude of Origin: 38°12’00" N
Central Meridian: 89°50’00" W
CM Scale Factor: 1.000015304
St. Clair County Distortion Map
in Parts Per Million
False Northing: 0.000 sft
False Easting: 129,000.000 sft

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@Jonrowsell Absolutely!

Here is how you do it in the Rock Cloud: Custom Site Projection

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Very helpful, thanks.