I used to work with TACAN (TACtical Aid to Navigation) some years ago.
Be prepared to see how a cardioid antenna radiation pattern is used.
Interestingly, the beacon is at East [rather than North]
right! That's what i did before asking here
Actually I found something very general about avery system, but
nothing more.
For some reasons (mainly for my job) i need some more knowledge about
all main radio navigation systems.