Antenna Catalog

Browse designs with photos, specs, and radiation patterns.

All Aperture Antennas Array Antennas Aviation & Air-Traffic-Control Antennas Directional Antennas Helical Antennas Loop Antennas Microstrip & Printed Antennas Reflector Antennas Travelling-Wave Antennas Vertical Antennas Wire Antennas
🔧 Buildable at home clear

Directional Antennas (3)

Real-world photo of a Biquad in use

Biquad

Two square loops over a reflector—an easy, effective microwave beam.

🔧 Buildable at home

 Real-world photo of a Cubical Quad in use

Cubical Quad

A beam built from full-wave loops instead of straight elements.

🔧 Buildable at home

 Real-world photo of a Yagi-Uda in use

Yagi-Uda

A directional array of a driven dipole with parasitic reflector and directors.

🔧 Buildable at home

Loop Antennas (2)

Real-world photo of a Full-Wave Loop in use

Full-Wave Loop

A loop one wavelength in circumference with gain and low noise.

🔧 Buildable at home

 Real-world photo of a Small Transmitting (Magnetic) Loop in use

Small Transmitting (Magnetic) Loop

A compact tuned loop, far smaller than a wavelength, with sharp tuning and high efficiency.

🔧 Buildable at home

Vertical Antennas (3)

Real-world photo of a Ground Plane Antenna in use

Ground Plane Antenna

A quarter-wave vertical with radials that form an artificial ground.

🔧 Buildable at home

 Schematic drawing of the J-Pole

J-Pole

An end-fed half-wave vertical matched by a quarter-wave parallel stub.

🔧 Buildable at home

 Real-world photo of a Quarter-Wave Monopole in use

Quarter-Wave Monopole

A single vertical quarter-wavelength rod that works against a ground plane.

🔧 Buildable at home

Wire Antennas (5)

Real-world photo of a Bowtie Antenna in use

Bowtie Antenna

A dipole with triangular flared elements for wideband, often UHF, use.

🔧 Buildable at home

 Schematic drawing of the End-Fed Half-Wave (EFHW)

End-Fed Half-Wave (EFHW)

A half-wave wire fed at its high-impedance end through a transformer.

🔧 Buildable at home

 Real-world photo of a Folded Dipole in use

Folded Dipole

A dipole made from a closed loop of two parallel conductors for higher impedance and bandwidth.

🔧 Buildable at home

 Real-world photo of a Half-Wave Dipole in use

Half-Wave Dipole

The simplest resonant antenna: two straight conductors fed at the center.

🔧 Buildable at home

 Real-world photo of a Inverted-V Dipole in use

Inverted-V Dipole

A center-fed dipole with its ends sloping down from a single high support.

🔧 Buildable at home