CRS Job Setup Checklist
Checks coordinate reference system setup for datum, projection, zone, GDA2020, MGA, AHD and geoid.
CRS definition
e.g. GDA94 → GDA2020 by the published grid, with its stated accuracy. No offset is applied by this page.
Source → operation → target: ? → no transformation recorded → ?. Assigning a CRS label, reprojecting coordinates and transforming between datums are three different operations.
Independent check point
Readiness
Not ready
0 of 11 applicable items assessed (0% complete). Completeness is not readiness.
Critical items not passed
- Horizontal datum (and epoch if dynamic) recorded
- Projected CRS / EPSG and zone recorded
- Vertical datum and height type recorded
- Units confirmed in the CRS and the software
- Controller / GIS project CRS matches this record
- Independent check point observed and within tolerance
Still to assess (11)
- Horizontal datum (and epoch if dynamic) recorded
- Projected CRS / EPSG and zone recorded
- Vertical datum and height type recorded
- Units confirmed in the CRS and the software
- Where metadata was only ASSIGNED, the data really is in that CRS
- Reprojection between CRSs documented (from → to)
- Datum transformation method and its stated accuracy documented
- Geoid model loaded and matches the datum
- Controller / GIS project CRS matches this record
- Control coordinates are in this CRS
- Independent check point observed and within tolerance
Records stay on your device as files you choose to save. The page keeps nothing.
A complete checklist is not a certificate that the CRS is right — the independent check point is the evidence.
How the method works
Fixed example values for illustration — not your result.
How to use this calculator
- Record the horizontal datum (and epoch if dynamic), projected CRS or EPSG code and zone, units, vertical datum, geoid model and any transformation.
- Set the axis order your software expects and the instrument exports, and enter an independent check point with your tolerance.
- Resolve every item and any conflict the page finds, then download the setup record.
How it works
The fields are checked against each other: a geoid model from a different datum is flagged, an E/N vs N/E axis order or unit mismatch blocks readiness, and an EPSG code must match the zone and datum entered. Only a small list of MGA and UTM codes is built in; anything else must be documented.
Assigning CRS metadata, reprojecting coordinates and transforming between datums are recorded as different operations. No GDA94↔GDA2020 offset is applied here.
Ready needs every critical item passed and the check point inside your tolerance. A complete checklist is not a certificate that the CRS is right.
Worked example
A GDA2020 job in WA. GDA2020 / MGA zone 50 (EPSG 7850), metres, AHD heights via AUSGeoid2020, the controller and GIS set to the same CRS, and a check point within tolerance. GDA94 with AUSGeoid2020 would be flagged for review.
Frequently asked questions
What happens if I mix datums in one job?
Coordinates can be out by a metre or more (e.g. GDA94 vs GDA2020) with no obvious error. Keep one datum per job and transform imported data explicitly — never assume it matches.
Is this official course material?
No. It is free study support mapped to surveying course levels — not official North Metropolitan TAFE content or advice. Always follow your lecturer and the official assessment brief, and check your own working.
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Cite this tool
Zerdly. (2026). CRS Job Setup Checklist. Retrieved from https://www.zerdly.com/tools/crs-job-setup-checklist/
Tip: Enter any known values to calculate the remaining results.
Designed to run locally in your browser. Tool inputs are not intentionally stored by Zerdly unless stated otherwise.