The $10 Component Tester

Earlier in the year one of the ham club members turned up with a component tester he had discovered on the internet and built up. The device measures essentially any component you connect on it and tells you what you have. From a simple resistor to a capacitor, diode or even a transistor. the specs…

EARCHI End-Fed 40-6 build.

Back when I started Sota, i was looking for a quick and easy antenna for portable use, along the way other items have been built and obtained that have made this project not as critical. The project is a simple 9:1 Unun that creates a match for a random bit of wire, it still needs…

Band Pass Filter Kit

Another Project for the Raspberry Pi when I get a chance is to try WSPR using the box. To make sure this works properly, it is recommended you use a filter of some sort. I ended up with a simple 10MHz (30m) bandpass filter as a kit from kits and parts in the US. it took 2 weeks…

Raspberry Pi

I was looking for some items on the element14 website when I noticed they had a new Raspeberry PI item listed. The version B board and an 8gb SD card with the OS installed as a bundle for $45. I had been looking for one when the price was acceptable, and this new package deal…