lfa array

6 element 28 MHz LFA Yagi - Six elelemt yagi for ten meter band, designed with the very latest PSO computer optimisation engine.

4 element yagi for 24MHz Priority listing - Optimised with the very latest PSO (particle Swarm Optimisation) techniques. Perfect flat SWR and excellent performance throughout the band and easy to self-build.

7 elements OWA Yagi for 20 meters band - Optimised Wideband Array with low SWR across the whole of 20m with excellent gain and F/B. European and USA sizes

Quadrifilar Helix Antenna - Quadrifilar Helix Antenna for the 2m band. Using cooper pipe and PVC pipes by KI6YRD

18 element 144MHz EME LFA Yagi - If you want a Yagi for EME with one of the best ever Sky temperature and G/T figures ever, look no further

19 elements Low Temperature 144MHz LFA Yagi Priority listing - This antenna has been deisgned using the very latest PSO techniques available today. There is simply no other 2m antenna of this boom length with better Sly Temperature or G/T figures.

14 el 70 MHz Low Noise LFA Yagi - This is a true monster Yagi for the 4m band which has a 50Ohm feedpoint with wide band performance yet the gain and F/B of a low impedance Yagi.

3 elements 50MHz LFA Yagi antenna Priority listing - A Very compact, high gain LFA Yagi for 50MHz a good stacker and a must look!!

20 elements 432MHz LFA Yagi Priority listing - A0 element super low-noise simple to build Yagi for 70cms. Uses 1/4 inch and 12 inch tube/rod

26 elelements 432MHz LFA Yagi - 26 elements 70cms Yagi for EME ultra low noise excellent G/T figure. Easy self build

30 el 432MHz LFA Yagi Priority listing - 30 elements 432MHz LFA Yagi over 44dB F/B and almost 21dBi forward gain. Easy build, no match required.

The 4-Square Site - 4 Square Vertical Array website dedicated to vertical arrays antenna installations worldwide by G4ATA

Multi-loop Rectangles and Compact Arrays - VHF antenna array that packs a lot of gain into a small volume article by N2DT

Phased Array Adjustment - KM5KG article presents a lumped-parameter tee-network model of the coupling between radiating elements in a phased array in order to provide a physical and intuitive understanding of phased array operation and adjustment interactions

Bobtail dipole - Bobtails are vertical arrays that look like the letter "E" turned 90° clockwise onto its tails. They have 3 quarter wave vertical elements and are one wavelength long. The Half Square is a shortened Bobtail- it has 2 quarter wave vertical elements and is a half wave long.

An intro to OWA Quad's Priority listing - An introduction to OWA (Optimised wideband array) 50Ohm direct feed Quad beam antennas

The OWA Yagi Priority listing - An introduction to the OWA (optimised Wideband Array) Yagi antenna

UHF VHF Folded Dipole - Dual band 2 m and 70 cm folded colinear aerial array project by G2BCX

4 element LFA Yagi for 28MHz  ^updated Priority listing - The lastest PSO (Particle Swarm Optimisation) techniques where used to produce this fantastic 10m antenna. Excellent performance from a short boom. USA/UK and European tube sizes.

AT England - Alfa Tango England web site.

HI-Z Antennas - HF receiving systems and components, band pass filters, array controllers, HI-Z pre amplifiers

Gulf Alpha Communication Antennas - VHF, UHF and Satellite Antennas for Government, Commercial and Amateur Radio Made in Nebraska USA

Moonraker 4 Antenna manual - English manual of the AV-140Moonraker 4 antenna

Maldol HVU-8 antenna - Real life experience with the Maldol HVU-8 antenna by KI6YRD

Dummy Load project - Easy project to build a dummy load using easy to get components and tools.