Parabolic Antenna calculator equation Parabolic dish is widely used as satellite TV channel receiver across the world. It uses cassegrain type of design where in horn antenna is placed at the focal point of the dish. It usually will have two reflectors, a sub reflector and a main reflector. ...
To test the parabola's performance, I brought it outside, pointed it at the sun, and lit things on fire. I wanted to figure out how small of an area the dish was able to focus the light. Wearing dark welding goggles, I held a piece of wood at the focal point (about 10 inches a...