You can pick and choose which appliances or systems to cover. How do I know I can trust these reviews about GE Spacemaker Microwaves? How do I know I can trust these reviews about GE Service ...

The film discusses the function and operation of microwave oscillators in radar systems, focusing on the importance of oscillators like the magnetron and reflex velocity modulated tubes.

The GE Spacemaker XL Over-the-Range Microwave Oven was discontinued by ... or screeching would likely be dealing with a worn-out magnetron, which produces electromagnetic waves that cook food.