Tactical Air Navigation (TACAN)
TACAN channels are used for getting distances between aircraft. For fighters, you just get distances but with tankers and airbases, you also get vectors.
TACAN Link Table - A/A TR
64
66
68
70
72
74
76
78
80
82
84
86
88
90
92
94
96
98
100
102
104
106
108
110...