Thanks for this idea, with the newly discovered modifier function described above I think I will use the four base buttons on my Sidewinder Precision 2 (yes, a £3000 3090 build paired with a cheap 25 year old joystick ) as four modifier keys and have one modifier dedicated purely for ATC in a similar manner as yours.
Also I found this wishlist request to be able to map an up/down selector for the ATC menu, so we would only have to bind a couple of keys rather than 10… Please vote
) as four modifier keys and have one modifier dedicated purely for ATC in a similar manner as yours.