Category: Antenna

5 element quad for 2m band 0

5 element quad for 2m band

Boom Length – 1651 mm Distance between: Between Distance, mm R – V 432 V – D1 330 D1 – D2 406 D2 – D3 483 Dimenson of elements: Side, mm Diagonal, mm Perimeter,...

QRP Dummy Antenna 0

QRP Dummy Antenna

I needed a small dummy antenna for testing my Elecraft K2. It was to be small and capable of being used into the VHF range. It had to have a BNC connector, and it...

The Twelfth Wave Matching Network 0

The Twelfth Wave Matching Network

Although the mismatch between 50 Ohm and 75 Ohm systems are usually acceptable, it’s easy to obtain a near perfect match using a pair of twelfth wave lines. The nice part is you only...

Inverted L Antenna 0

Inverted L antenna for Reception

Do to it’s ease of construction, the most popular antenna for short wave reception is the inverted “L” antenna. It’s often just a random length of wire strung up as high as possible. My...

A Simple 40m Vertical Antenna 0

A Simple 40m Vertical Antenna

The 40m band is a great place for DXing! I don’t have the tall supports needed for a dipole or beam, so a vertical antenna works best for me. I do have a convienent...

Extended version of the W3DZZ-antenna 0

Extended version of the W3DZZ-antenna

The antenna, shown in the drawing, is an extended version of the well-known W3DZZ-antenna, adapted for work on 160, 80, 40 and 10 m bands. For installation of the antenna it is necessary space...