Bruce Perens K6BP and Chris Testa KD4BMH update their work on a multi-digital mode radio… what went wrong, and what happens next.
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EF155SL – 21 MHz Mono band antenna by YU7EF
21 MHz Mono band antenna by YU7EF See More: Link Read more
2 Meter Halo Antenna by Mike Fedler N6TWW
2 Meter Halo Antenna Project Background & Goals There are two previous versions of my loop antenna that were built before the antenna you see now.... Read more
How to perfectly clean wires in minutes! by NH7ZE
Here is an old ham radio operators trick for cleaning wires for soldering that are old and corroded. It is hard to find this technique printed anywhe... Read more
The Antenna SA-680HP covers 10 through 80 meters
The SA-680HP covers 10 through 80 meters with supplied 6 foot whip. • Length retracted: 39” Extended:57” • 3 inch dia... Read more
XR3-NV | HIGH PERFORMANCE 14 ELEMENT 20 / 15 / 10 METER MULTI-MONO CONTEST YAG
The Ultimate Contest Tribander: fourteen elements delivering superior performance on 20, 15 and 10 meters! Click here to download a PDF of the XR6 pro... Read more
3D Print – 3 element 2m (145 MHz) Ultra Portable yagi
3D Print – 3 element 2m (145 MHz) Ultra Portable yagi by OK1CDJ Description Tape measurement yagi. Weight only 170 g. The longest part is 530 mm... Read more
A Simple Wire Tuner
Here’s a basic, but effective and efficient, antenna tuner for feeding random wires, especially half-wave end-fed wires. Read more
InnovAntennas XR7 & XR7C
InnovAntennas After the success of the XR6, InnovAntennas announce today the release of the new XR7 models. The XR7 is based on the XR6 model which co... Read more
IOio Antenna
Scheme nº1: Scheme of the IOio antenna “FM ham satellites can efficiently be worked in two ways, one of them sitting in our armchair with a comp... Read more
