Johnson's Techworld

Recently I had made a simple inverted V antenna for 20 m using 2.5 sq mm insulated copper wire, mounted on top of a 3 m CPVC hot

Usually standing waves occur in the transmission line when there is impedance mismatch between the transmission line and the antenna. Standing wave ratio or SWR is the ratio

I had made a modified inverted V 40 m antenna recently with highest point about 1 m to one side of the feed point. This was made so

I had bought 30 m of RG 213 cable for my antenna homebrewing projects, with PL 259 connector pre-crimped at both ends. As I did not find the

VU2VWN was a good friend of mine and a great homebrewer. I started as an Amateur Radio operator in 1985 with a solid state QRP which I had

Today morning, during a discussion on 40 m, when I was mentioning about space constraints for HF antenna at my location, one ham told me about the Inverted