A technology blog to show my creations and thoughts, to inspire others and to share the fun!

Tag 40m

Transmitters and receivers

Neophyte receiver for 60 meter

The Neophyte receiver is an easy-to-build receiver, already built by lots of people. Many radio clubs used it as a project for starting builders. It was developed by John WA3RNC and first published in QST, February 1988. The circuit can…

Ernest
30 December 2015
2 Comments

Tools and measurement

Altoids L-tuner

A while ago Tjeerd PA3GNZ donated me some Barkleys mint tins (identical to the famous Altoids tins), which are rather popular by QRP builders to house small homebrew stuff. Two weeks later I found a czech webshop, offering a kit…

Ernest
25 August 2014

Antennas

A very small active antenna

Small active antennas like the “mini-whip” (by PA0RDT) are very popular at the moment. They provide good reception of signals from HF all the way down to the VLF band. Here in the Netherlands Van Dijken Elektronica sells a nice…

Ernest
9 March 2014
4 Comments

Antennas

40m Vertical

Introduction During the PACC contest in 2009 we missed a good performing antenna for 40m. So during the preparation for this contest in 2010 I built a dedicated vertical for 40m.

Ernest
6 February 2010