Magnetrons are used in radar equipment
There main application is to generate short radio waves
They are used in airplanes, ships, submarines and in radar stations of airports, military bases, satellite ground stations and on military vehicules.
Radars allows to detects smaller objects.
Nowadays magnetrons are more used in microwave-ovens
Brands we have available for magnetrons and microwave tubes are: English Electric Valve/EEV – JRC – Varian – Litton - Raytheon