Boys, we’re rebuilding a vacuum pump today.🔧 2-stage rotary vane. It’s kinda old and needed a $200 parts+seals kit, but still a pretty good deal… Read more: Vacuum Pump Rebuild

Finally found a good mounting box to finish assembling the SDR receiver today.🙂    I’ll be away on work for a while so will be… Read more: SDR Telluric Receiver – 9/12/22

Summary The main issue recently has been achieving a low-impedance ground, so that the ‘standing wave’ cavity is formed between the top of the Tesla… Read more: Telluric Ground Impedance Experiments Aug 2022