Horn Antenna Designs and Construction Resources
Find schematics, dimensions, and project guides for building horn antennas for various microwave frequencies and applications.
Horn antennas are a specialized type of microwave antenna, often used by hams for satellite operation, EME, or other weak-signal work on the UHF and microwave bands. These antennas are essentially flared waveguides, designed to efficiently radiate electromagnetic waves with high gain and directivity. Operators frequently build horn antennas for specific frequencies, such as 2.4 GHz or 2304 MHz, to achieve precise beam patterns and minimize losses in their station setup.
Many hams experiment with horn antenna projects, often starting with simple designs like the popular 'tomato can horn' for higher frequencies. Resources in this category provide detailed design principles, construction guides for various horn types, and calculators to determine optimal dimensions for specific bands. You can find information on general circular-waveguide-horn antenna design, dual-mode horns for 10 GHz, and even tools like the 802.11b Horn Antenna Designer to help with your antenna projects.
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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. -
The Horn reflector antenna at Bell Telephone Laboratories -
About basics of the horn antenna used for many rf microwave antenna applications. -
Horn Antennas theory and principles -
A Tomato Can Horn antenna for 2304 MHz by Steve Kavanagh -
Dual mode horm antenna for 10 GHz nu G3PH0 -
A Horn antenna by WE3HHT -
Antenna design for Horn Antennas -
Measuring noise fiugre on the W2IMU horn and the dual-dipole-feed -
Horn Antenna - The energy of the beam when slowly transform into radiation, the losses are reduced and the focussing of the beam improves. A Horn antenna may be considered as a flared out wave guide, by which the directivity is improved and the diffraction is reduced. One of the first horn antennas was constructed in 1897 by Bengali-Indian radio researcher Jagadish Chandra Bose in his pioneering experiments with microwaves. The modern horn antenna was invented independently in 1938 by Wilmer Barrow and G. C. Southworth. This Horn model antenna is suitable employed in the UHF or SHF radio bands. Making this horn model antenna it will be easy for a beginner to make if it works in the 10GHz frequency, because small dimensions so it is not so difficult and also offers gain up to 25dBi.