For good reception, a radio must have good selectivity (selectivity is a radio's ability to separate weak stations and strong stations on the FM dial) and good sensitivity (the ability to receive weak ...

Q I am getting a new home-theater receiver. My wife said, "Please tell me this one will have better radio reception." I didn't think I could control this. I did a search and came upon your column ...

The perfect antenna is the holy grail of amateur radio. But antenna tuning is a game of inches, and since the optimum length of an antenna depends on the frequency it’s used on, the mere act of ...