Aircraft Technic on X: "Here is a Marker Beacon antenna. Marker beacons are part of the ILS(Instrument Landing System) landing system. https://t.co/pnY9qq1GTI" / X
Amazon.com: 2-Pack Car Bumper Corner Antenna Pole Adjust Driving Parking Marker Protector for Green Hand in Driving Fit Universal Car Hypersonic : Automotive
Marker Beacon Antenna - Sensor Systems Inc., Aircraft Antenna