KM1NDY
A Secret Little Adventure Ham Radio Blog
OVERVIEW After several years of helping coordinate club Field Day events, AA1F and I set off to tackle 2023’s ARRL Field Day by ourselves. We squeaked out 264 contacts, but still had a great time. By 2024, KX1Q was back on the air at our farm for Field Day in Upstate New York. This time, …
This continues a series of blog posts on David Rutledge’s text, “The Electronics of Radio”, that I am studying while building the NorCal 40B transceiver. This series of posts will not be a review of the book, nor is it a assembly manual. Rutledge presents a series of problems at the each chapter that aid …
All it takes to feel like quitting is for the journey to be long enough. I remember joking on my now long-deleted ham radio twitter account that it would take me a decade to achieve my Mountain Goat — the coveted title bestowed upon you once you reach a thousand SOTA activator points. I am …
This continues a series of blog posts on David Rutledge’s text, “The Electronics of Radio”, that I am studying while building the NorCal 40B transceiver. This series of posts will not be a review of the book, nor is it a assembly manual. Rutledge presents a series of problems at the each chapter that aid …
This continues a series of blog posts on David Rutledge’s text, “The Electronics of Radio”, that I am studying while building the NorCal 40B transceiver. This series of posts will not be a review of the book, nor is it a assembly manual. Rutledge presents a series of problems at the each chapter that aid …
This continues a series of blog posts on David Rutledge’s text, “The Electronics of Radio”, that I am studying while building the NorCal 40B transceiver. This series of posts will not be a review of the book, nor is it a assembly manual. Rutledge presents a series of problems at the each chapter that aid …
This continues a series of blog posts on David Rutledge’s text, “The Electronics of Radio”, that I am studying while building the NorCal 40B transceiver. This series of posts will not be a review of the book, nor is it a assembly manual. Rutledge presents a series of problems at the each chapter that aid …
This continues a series of blog posts on David Rutledge’s text, “The Electronics of Radio”, that I am studying while building the NorCal 40B transceiver. This series of posts will not be a review of the book, nor is it a assembly manual. Rutledge presents a series of problems at the each chapter that aid …
QUERY: Here are the results of a quick 49:1 [14:2 turn ratio] toroid transformer test. 1) Does it matter to transformer performance if the windings of the secondary change directions halfway through? [Answer: Yes]2) Does it matter to transformer performance if bare copper wire shorts to a ferrite toroid? [Answer: No]3) Does it matter to …