Category Archives: components
Arnie Coro and the Super Islander
Looking back over some older email list posts today I came across an interesting exchange of posts on the QRPp list. In early August Arnie Coro CO2KK announced latest progress on the ‘Super Islander Version 5 QRP transceiver project’. Key … Continue reading
Withering filters
Via Julian G4ILO’s pointer, a very interesting and detailed description and analysis of the failure of ceramic filters in VHF transceivers using a 455kHz IF. In true CSI style Tasos Thomaidis, SV8YM undertakes a forensic analysis: “While waiting for a … Continue reading
Setting up a radio shack
Another brilliant piece from Diana Eng on the MAKE site about ‘Setting up a radio shack‘. She shows a simple easy to follow step-by-step sequence to set up a simple HF base station. Very clear illustrations and simple advice. She … Continue reading
MAKE:23 and the immaculate telegraph
Fascinating article in the latest issue of MAKE about a successful attempt to create a morse signal with only available materials, oh and the Internet! Being in Mineral County, Montana was a good place to start this six week experiment. … Continue reading
B&W coils
I was surprised to see that one longtime brand I associate with my earliest days playing around with radio, Barker and Williamson, is still thriving – and even better, still providing the product I associate them most closely with, air … Continue reading
