Convert Sokkia SDR33 to CSV
SDR33 is the data-recorder format written by Sokkia (and SET-series) total stations and the SDR electronic field books. It is a record-oriented text format: every line starts with a two-character record type. Header records (00, 10) name the job and instrument; a 02 record sets up the station; and the 08 record carries a reduced coordinate — the thing you actually want in a point file.
Each 08 record lays its fields out in fixed 16-character columns: point number, then northing, easting and elevation, then a feature code. Because the columns are fixed width rather than delimited, opening the file directly in a spreadsheet splits it in the wrong places. This tool reads the columns by position, so each 08 record becomes one clean point row.
You choose the output column order — PNEZD (Point, Northing, Easting, Z, Description) or PXYZD (Point, X, Y, Z, Description) — and can add a points DXF. Header and station records are skipped automatically; only real coordinates end up in the CSV. Parsing happens in your browser with no upload.
Open the converter — free, no upload
How to convert an SDR33 file to CSV
- Transfer the job from the Sokkia instrument or field book as its SDR33 file.
- Drop it on the tool — the SDR33 header is recognized automatically.
- Confirm the point count, then choose PNEZD or PXYZD order.
- Export the CSV, optionally with a points DXF alongside it.
Questions
Which SDR records become points?
Only the 08 coordinate records. Header records (00, 10), notes and station setups (02) are read and skipped so they don't clutter the point file.
Are feature codes kept?
Yes. The code field at the end of each 08 record is carried into the Description column of the CSV, so your linework and point codes survive the conversion.
My SDR file has angle and distance shots, not coordinates.
This tool exports reduced coordinates (08 records). If your file only holds raw observations, reduce it to coordinates on the instrument or in your field software first, then export the SDR33 with 08 records.