CST – Computer Simulation Technology

Grid Corner Reflector

Image of the Grid corner reflector Image of the Grid corner reflector

This antenna is a variation on the popular dipole-fed corner reflector antenna, but the solid reflector is replaced by a grid of parallel wires spaced ~1/10 lambda apart. Both of these antennas have similar peak gain characteristics with the main difference in the side and back lobes as illustrated in the next image. As the spacing between the grid elements increases, the gain and front-to-back ratio decreases as the effectiveness of the gridded reflector decreases.

The grid corner reflector is mostly used for physically large antennas at lower frequencies, in order to reduce the weight and wind resistance of the structure.

Radiation patterns for grid and solid corner reflectors Radiation patterns for grid and solid corner reflectors

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