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 ...

ERI is introducing the ACS-100 antenna control system, which it calls a solution to the problem of four-port antenna switch control. It can be programmed to handle the switch position requirements ...

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 ...