Files with tqr file extension are related to the EROS metadata format.
TQR file extension - EROS metadata
What is tqr file? How to open tqr files?
File type specification:
The tgr file extension is associated with metadata from EROS (Earth Remote Observation System).
EROS is family of Israeli commercial Earth observation satellites, designed and manufactured by Israel Aircraft Industries.
This tqr 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.