Pattern and Match

With the return of sporadic E season on 6 meters my thoughts turn to transmitter duty cycle. That might seem odd unless you know that I almo...

DX spotting clusters have existed for decades. Originally they were isolated systems accessible via packet radio on VHF or UHF, and therefor...

It's said that sporadic E does better when solar activity is low, thus favouring the years surrounding the cycle minimum. With the solar...

One lack in my station is a sufficiently strong signal on 15 meters into Asia, especially east Asia. While we cannot run Asian stations like...

When I first built this station I put up a few multi-band yagis: TH6, TH7, Explorer 14. When operating SO2R in contests I could not share th...

The bad spring weather continues. This has been the wettest early spring I can remember for perhaps 10 years. At least it has warmed up, alt...

Measuring stray reactance -- L and C -- can be difficult because the values are typically quite small. Yet that is a requirement I've de...