Dish antenna
part · 1888 · Electric age
A parabolic reflector that focuses radio waves.
Principles and materials it uses
- Reflection of light — uses. A paraboloid focuses the waves.
- Aluminium — is made of. The dish is aluminium.
- Steel — is made of. The supports are steel.
Where it is used
- Satellite television — is part of. A dish.
- Communications satellite — is part of. Antennas.
- Radio telescope — is part of. A parabolic antenna.
- Doppler radar — is part of. A parabolic antenna.
What it is a kind of
- Antenna — is a kind of. An antenna.