* AA6YQ comments below
+ The ADIF representation for FT4 is <MODE:4>MFSK <SUBMODE:3>FT4Understand the designation, but notice how FT8 is logged in HRD (see attached). It shows FT8 as the mode while FT4 shows up as MFSK.
* The ADIF representation for FT8 is
* Yes, the two representations are inconsistent, but that's irrelevant from every perspective except aesthetics.
* What is specified in ADIF is what logging applications must implement if they wish to provide their users with the ability to interchange QSO information.