What in the world are SWR, VSWR, reflected power and return loss? Why do they matter? And what can be done if there is a ...

You’ve probably seen old-time photos of radio setups with the station operator fiddling with the dials on the wireless radio setup, and also adjusting a large, wirewound (or copper tubing) coil. From ...

If you have ever operated any sort of transmitting equipment, you’ve probably heard about matching an antenna to the transmitter and using the right co-ax cable. Having everything match — for example, ...

This is the fourth in a series of articles about FM transmission systems. The bandwidth of a commercial FM broadcast signal, depending on whether or not subcarriers are used, is about 260 kHz. This ...