James Hollen, D25Y31, has a radio and antenna set up in the bed of his pickup truck and wants to know if his truck will cause interference.
Describing and demonstrating an end-fed multiband antenna for portable use. It’s a full-sized half wave on 20 metres and a loaded half wave on 4… Read more
” Back in April we posted about some new products made by Japanese RTL-SDR experimenter and product manufacturer Nobu. Nobu’s new product… Read more
Power Supply This small regulated switching power supply features 2 Powerpole outputs in front and 1/4″ binding posts in rear. Machined metal fr… Read more