7/8/24 When Out of Tune Works Best

John ZL1OJ has put up a commercial non-resonant endfed HF antenna. The antenna, approximately 20m in length promises to cover ham bands from 80 through 6 meters. An endfed wire will typically have a feed impedance somewhere between 400 and 600 ohms for frequencies where it does not resonate. A… [Read More]

4/8/24 – Noise What Noise?

Today, we had couple of noise related projects. Firstly, the Man in the Box is back from his extended holiday. Yes the 5775 repeater is now back to its unique identity with the voice announcements, EOT beep and long tail. Noise that is Musick to our ears [ stop trying… [Read More]