Written by AA7EEFebruary 26, 2015February 27, 2015

A Popcorn QRP Regen Receiver and Lots More Air-Spaced Variable Capacitors

Many of us in the home-brewer community were really disappointed when Todd VE7BPO recently discontinued his popular and very through-provoking site “The QRP/SWL Homebuilder”. An archive of the site is available for download in pdf form and is a great resource. Though not quite the same as having the site, it’s great to have a […]

Written by AA7EEApril 17, 2013January 27, 2015

My Ongoing Pre-Occupation With High Quality Air-Spaced Variable Capacitors

I’ve blogged before about air-spaced variable capacitors. I’ve always liked ’em, but I think my understanding of what makes a good one is maturing a little more. I was the winning bidder on a really nice-looking specimen on eBay a few days ago. Ever since placing the winning bid, I had been excitedly looking at […]

Dave Richards AA7EE

Tag: Hammarlund variable capacitor

A Popcorn QRP Regen Receiver and Lots More Air-Spaced Variable Capacitors

My Ongoing Pre-Occupation With High Quality Air-Spaced Variable Capacitors