GSSI DZT format - ugcs/GeoHammer GitHub Wiki
UgCS GeoHammer can load GSSI DZT files.
You can get data samples here - https://www.mdpi.com/2306-5729/3/4/40?fbclid=IwAR1N5k17PDLOTEjkP1ihJL3KMbvwpz3sZtWKu_xnMFvyW8mfSIsAoE1oRrY (scroll down to the ZIP archive https://www.mdpi.com/2306-5729/3/4/40/s1)
or here - https://arcticdata.io/catalog/view/doi%3A10.18739%2FA2CR5NB9R (download files PROJECT006__001.DZT and PROJECT006__001.DZG as samples)
Drag & drop DZT file to GeoHammer. If there is no corresponding DZG file with coordinates, GeoHammer will display profile only:
If in the same folder as DZT file there is a file with same name but with DZG extension (file with coordinates for every trace), GeoHammer will display the GPS track over map: