ESRI:102193 · Morocco
Merchich (degrees) Sahara to KML & KMZ
Merchich (degrees) Sahara (ESRI:102193) is a Lambert Conformal Conic coordinate system on the Merchich (degrees) Sahara datum, with coordinates in metres. Its official area of use is: Morocco - south of 27.9~N.
- Converter already set to ESRI:102193
- Latitude and longitude on WGS 84, as Google Earth uses
- Download the point as KML
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Good to know
- Datum: Treated as WGS 84, no shift (the datums agree to about a metre or better).
Convert a whole spreadsheet
- Open the web app or the Windows app, and paste your rows from Excel or open a CSV file.
- Under Coordinate system, search for “102193” and pick Merchich (degrees) Sahara.
- Check one point you know on the map, then press Save KML or Save KMZ and open it in Google Earth.
Common mistakes with Merchich (degrees) Sahara
- Feet entered as metres. Merchich (degrees) Sahara is in metres. Coordinates copied from a drawing in feet must be converted first, or every point moves outwards from the grid's origin.
- Forgetting the datum. Merchich (degrees) Sahara is not on WGS 84: treated as WGS 84, no shift (the datums agree to about a metre or better). Picking a WGS 84 grid with the same projection instead leaves the points off by that amount.
- Points outside the grid's area. Merchich (degrees) Sahara is meant for Morocco - south of 27.9~N. Points well outside that area convert with growing error; the converter flags them so you can choose the right grid.
- A local site grid. If every point is off by the same distance and direction, the drawing may be on a local site grid. Calibrate on three or more known control points instead.
New to this? Read how to convert easting and northing to latitude and longitude.