Horn

A Dual Mode Horn Antenna - Dual mode horm antenna for 10 GHz nu G3PH0

A Horn Antenna for 2.4 GHz. - This Antenna is not really practical for AO-40 reception, but horn antennas have a number of qualities useful in microwave antenna testing and noise figure measurements.

AT-68 UP Waveguide Horn - A Horn antenna by WE3HHT

CardboardHorn - Seattle Wireless - A Cardboard Horn antenna for 802.11b

Echo Horn Antenna at Nasa Images - The Horn reflector antenna at Bell Telephone Laboratories

Horn Antenna - About basics of the horn antenna used for many rf microwave antenna applications.

Horn Antenna - Horn Antennas theory and principles

Horn Antenna Designer - 802.11b Horn Antenna Designer, calculate horn antenna dimension for wi-fi application

Horn antennas - About horn antennas, dimensions for construction of a series of microwave horns

Noise Figure Measurement using Standard Antennas - Measuring noise fiugre on the W2IMU horn and the dual-dipole-feed

Tomato Can Horn for 2304 MHz - Tomato Can Horn for 2304 MHz. Steve Kavanagh, VE3SMA

Weatherproof UHF and microwave cavity antennas - General circular-waveguide-horn antenna design