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Just made an ESR meter from the G0NQE design,details are here. Maybe it will help to avoid more exploding electrolytics! See page here. Also working on an RF power meter from an article in the June 2001 QST by W7ZOI and W7PUA. More details later. [...] At last the rig is complete,in its box and working. Not saying it is completely finished,there will always be improvements to make but it is working well on all bands. The Rx seems very good,better than I expected. The TX is good with adequate power on all bands. The PA stage is [...] A recent /P trip convinced me that I needed a quick deployment multiband vertical antenna. The 20M ‘squid pole’end fed half wave worked well but I wanted to use other bands. Searching the web produced plans from W3FF for a homebrew Buddistick. (Clicking the the link will download a PDF file.) A trip to [...] This year the GQRP club Rishworth QRP Convention Saturday 22nd October and full details can be found on the Club web site. There will also be a buildathon and display of homebrew equipment on the Friday evening not far from the main venue. More details in the QRP article on page 54 of the June [...] When I was a lad I was often given faulty wireless sets to take apart. In those days it was mostly valve radios and I soon had a big supply of valves,air spaced tuning capacitors and mains transformers plus a stack of capacitors and resisters. There was no way of knowing if any of [...] I have just finished building a Small Wonder Labs SW+ 20. Nothing spectacular in that but using it for QSOs yesterday took me back to my first brush with radio. Around 50+ years ago I discovered a box of crystal set parts in my grandfather’s shed. After much haggling I was allowed to have them. [...] It is about 50 years since I first started playing with radio. Driven by a fascination with stories of my grandfather’s crystal sets and the box of old looking components left in his shed. This was in the time of big valve wireless sets and long wire aerials to poles down the garden. Amateur radio [...] | ||
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