ESSK/GAVLE
+ RADIO FREQ CHANGED TO 123.600 MHZ. FROM: 29 MAR 2018 00:00 TO: PERM ES/C0405/18
+ PILOT-CONTROLLED LIGHTING FREQUENCY CHANGED TO 123.600 MHZ, 10 SEC DURATION. FROM: 29 MAR 2018 00:00 TO: PERM ES/C0406/18