Radio beacons in the Netherlands in the 1950s - Military Airfield Directory
Instrument Landing System (ILS)
Radio beacons in Norway 1960 - Military Airfield Directory
ENR 4.1 Navigation Aids – En Route
Aeronautical radio beacons in Greece in the 1950s - Military Airfield Directory
Confluence Mobile - AIXM Confluence
Confluence Mobile - AIXM Confluence
Pilotscafe Understanding ILS
IFR: The Instrument Landing System (ILS) – Learn to Fly Blog - ASA (Aviation Supplies & Academics, Inc.)
Locator non-directional radio beacon - DF 2000 - AZIMUT JSC - for airport
Middle marker Beacon (ILS) - Knevichi
Marker beacon - Wikipedia
Non-directional beacon - Wikipedia
Confluence Mobile - AIXM Confluence
Non-directional beacon - Wikipedia
Traditional Aviation Radio Navigation
Non-directional beacon - Wikipedia
Anyone know what this building/antenna is? I can't figure it out. Looks too short to be an NDB, doesn't look like a marker beacon either. I'm stumped 🤷🏻♂️ : r/flying
Radio beacons - FlightGear wiki
Outer marker | NDB - non-directional beacon
Middle marker Beacon (ILS) - Knevichi
Marker beacon - Wikipedia
PPT - Chapter 2 Enroute/Aera Charts PowerPoint Presentation, free download - ID:5590025
Why is it called a “Compass Locator?”
No Two-for-one here - IFR Magazine
