440 beam

VHF UHF Ground Plane Antennas - Ground plane antennas for 144, 222 and 440 MHz

VK2ABQ Beam for 50 MHz - An easy antenna for portable use for six meter band

3 element Yagi for 50 Mhz - Plans for building your own 3-element beam for use on 6m.

8 elements Yagi for 70 cm - 70 cms 8-element Yagi Beam, this Yagi antenna should not need a balun as it will resonate under its own merit.

80m 2 element project - A 2 element beam antenna for 80 meter band by ha8rm

HF Beam Calculator - Calculate the Measurements for a 2 or 3 ele Beam

Fractal beam antenna for 14 MHz - A beam fractal antenna for 20 meters band

A Practical, 5-Band Homebrew Wire Beam - The Upside-Down Umbrella Antenna by Don Keith N4KC

30 40 Meter Hex Beam Antenna - A hex beam antenna construction project for 30 and 40 meters band by N6AQ

ZL1BJQ HexBeam antenna - Hexbeam antenna project for 20, 15 and 10 mtrs

Home Made Hex Beam Antenna - A home made Hex Beam Antenna project

Assembling a Spider Beam - Spider Beam antenna pictures in a youtube video

Moxon beam for 144 Mhz - G0KYA Moxon antenna for 2 meters band

About directional antennas - Directional antennas a beginners explanation

Vee Beam Antenna - A multiband HF Vee Beam antenna at VK5SW. If you're lucky enough to have the room, perhaps you may like to put up a multiband Vee Beam antenna for the HF bands.

3 elements Yagi for 7 MHz - A 3 element yagi beam for 40 meters band

2-El Portable Yagi for 10-20 mt - This Yagi has a constant element-distance of 1,50 m. You must only correct the lengths of the elements for QSY, see table down. For the bands 10 m and 12 m the Yagi is working as a reflector-radiator-Yagi, for 15 m and 17 m as a beam with radiator and director.

10 elements yagi for 50 MHz - A 10 element Yagi Beam Antenna for 50 Mhz by Rod Mackintosh, ZL3NW

G3UES Echelford Amateur Radio Society - Echelford amateur radio society is based in ashford, middlesex, uk. has about 80 members.

Antenna Dinamica - Ham radio HF antennas manufacturer, produce HF dynamic beam antennas, and vertical pole antenna. Offer kits and parts to build you own dynamic antennas, by IZ0AEG

New York City Area Repeater Directory - 144/220/440 repeater directory centered on New York City

ECO Asay 3 elements yagi manual - schematic Manual of the 3 element yagi antenna by ECO antenne

Tinitro - Ham radio shop dealer for Microham Optibeam Big Boy Rotators EA4TX products based in Finland

Home Made duplexer - Homemade UHF/440Mhz Amateur Radio Repeater Duplexer

440Mhz Interdigital Bandpass Filter - Homebrew Amateur Radio 440Mhz Interdigital Bandpass Filter