Files with jaf extension may be also found as backup files from Just A Frequency Logger software.
JAF file extension - Just A Frequency Logger backup file
What is jaf file? How to open jaf files?
File type specification:
File extension jaf is mainly associated with the Just A Frequency Logger, a now discontinued software used to logging radio scanner related information from a number of different brands and models of radios.
A .jaf file stores backup data.