Originally Posted by
Kennytheking
Dunno why these ATC units don't have SELCAL on 121.5. FFS, its a free app
A good idea, but it's not going to work in every case. The airplanes I fly have 3 vhf reviewers, we only have SELCAL on 2 of those. We normally monitor 121.5 in the receiver which doesn't have selcal.