It is important to distinguish the software Geomatica from the company Geonics Limited , a world leader in electromagnetic (EM) geophysical instrumentation.
The 2013 update modified the digital signal processor (DSP) to filter out 50/60 Hz power line interference more aggressively. This was a game-changer for surveys near modern infrastructure (fences, power lines, buried cables) that previously rendered shallow "patches" of land unreadable. patch geonics 2013
Set your EM38-MK2 to factory defaults. Then, manually enable "Dynamic Drift Correction" (Menu > Setup > Drift > Dynamic). Set the integration time to 0.5 seconds—this mimics the 2013 patch’s sampling rate. It is important to distinguish the software Geomatica
For users encountering the "MSCOMM32.OCX" error, a manual patch is required. Since the 2013 installer cannot place these files in modern protected system folders: Set your EM38-MK2 to factory defaults
Many major archaeological projects—from the mapping of Viking longhouses in Norway to the detection of prehistoric agricultural fields in the American Midwest—were conducted using Geonics instruments patched in 2013. If a researcher today wants to re-process that raw data (.GS3 or .GS4 files) using modern software like or EM4Soil , they must understand the specific patch applied at the time of collection.