Archive for 2025

Multiband trap dipole

10m, 20m, 40m trap dipole Read more »

I know that sound!

I played that game 25 years ago, and I am still learning new stuff about it! Read more »

USB-C charging

Amateur radio equipment works well with 11V-16V. But what about laptops and handphones? Read more »

Portable λ/2 antenna

How to randomly meet security guards Read more »

LSB, USB and FT8

Successful QSOs on the short wave bands can be difficult... Read more »

G5RV

The first short wave antenna I bought was a G5RV antenna. It worked surprisingly well. Read more »

My Equipment

Hi, I'm DL8BNG, previously DO9NBN! My amateur radio license class E was issued on Jan 2025; class A was issued on May 2025. So I still have a lot of experimenting to do. Read more »