Johnson's Techworld

Simple Infrared Receiver Test Circuit. Works with any remote at home like TV remote or remote for air conditioner.

AU2V Sacrifice Rock DXpedition Working a Pileup on 28260 kHz! Split mode, 5 UP. That means that they are listening on 28265 kHz and transmitting on 28260 kHz.

In the early days of amateur radio, new operators started off with a crystal oscillator which has high frequency stability. But a crystal oscillator cannot cover the entire

AU2V Sacrifice Rock DXpedition 2025 on 7005 kHz, CW

I was on 80m band with my new half wave dipole antenna. Changed over to multi-band fan dipole to move on to 40m band. Meanwhile I had forgotten

Almost all new radio amateurs start off with a handheld radio for 2 Meter Band these days. It was not so when I started off as a radio

Spotted for the first time on RBN on 80m. I am there, my 80m friends! Signals are going out on 80m from my highly compromised 80m antenna. Main

See the novel technique of installing a support pole for the antenna! I was trying to get a new support pole for the 80m half-wave dipole antenna installed.

Great performance of my new 80m antenna on 17m band! Pick up at TI7W, Costa Rica (16755.8 km), in Central America, on the other side of the globe

I have been trying to come up on 80m band with various types of antennas for the past several weeks, with no success at all. All installations ended