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