Diplexing AM transmitters Sep 1, 2002 12:00 PM, By John Battison, P.E., technical editor, RF Throughout the years that radio broadcasting has existed there has not been a strong need to operate more ...

Installing AM IBOC May 1, 2005 12:00 PM, By John Battison, P.E., technical editor, RF The basic installation of an AM IBOC transmitter is similar to that for an FM IBOC installation with varying ...

The owners of WBBM 780 AM/105.9 FM — the top-rated station in Chicago — in 2018 sold the station’s 42-acre transmitter site near O’Hare International Airport to Bridge Development Partners ...

It consists of an RF oscillator operating in the AM broadcast band, together with a modulator stage, which mixes the incoming audio and the RF. A signal appears on the output, which has an AM ...

Firefighters snuffed out “a small but stubborn” vegetation fire Sunday at the large KSPN-AM (710) radio transmitter site at Hatteras Street and Bellaire Avenue in the Valley Glen section of ...

This circuit shows an active antenna that can be used for AM, FM, and shortwave (SW). On the shortwave band this active antenna is comparable to a 20 to 30 foot wire antenna. ...

1030 WGSF(AM), the longest-running Spanish-language radio station in Memphis, is working to rebuild its transmitter site after it was ransacked in a May copper theft. The station, owned by Butron ...

Nov. 11—Updated 4:50 p.m. A fire engulfed local radio station KOFI's AM transmitter building early Saturday morning. The fire occurred between 1 and 2 a.m. at a transmitter station on Steel ...