.tk1 is Wintec Tools GPS log
Key Features: .TK1 File Extension
What is an .TK1 file?
The tk1 file extension is mainly related to the Wintec Tools software written in Python, developed by SteffenSiebert company.
The tk1 file stores GPS log generated by the Wintec Tools program.
This tk1 file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.