Sound all around 

, By Chriss Scherer, editor

IBOC in Surround Sound: A look at the technologies in development.

Measuring modulation 

, By John Battison, P.E., technical editor, RF

The closer the correlation between the modulating signal and the instantaneous value of the modulated carrier wave the better the quality of the eventual reproduction of the audio signal.

V-Soft Communications FMCONT 

, By Carl E. Gluck, CPBE

FMCONT is a software module that performs channel searches through a current FCC FM broadcast records database.

Audemat-Aztec FMX480 

, John A. Buffaloe

The FMX480 is a 1RU device that includes an RBDS encoder, DARC encoder, stereo generator, multiplex optimizer and multiplex limiter.

Electronic feedback 

, By John Battison, P.E., technical editor, RF

Most of the radio transmitters in use today depend on feedback, negative or positive, for their successful operation.

Sign Off 

, By Kari Taylor, associate editor

Read about a solar-powered station from 1979.

Split-level combining 

, By Steve Fluker

The recent introduction of the dual-antenna method has caught people’s attention, and is an efficient method for stations that already have a licensed auxiliary antenna to get on the air fast.

10 years of progress 

, Chriss Scherer, editor

The debate over IBOC is as strong as ever.

Antenna currents and field strength 

, By John Battison, P.E., technical editor, RF

Sometimes we lose sight of the relationship between current in an antenna and the resulting field strength value.

NAB2004 in review 

The NAB Convention review covers various aspects of the convention, from the sessions to the exhibit floor to the talk in the aisles.

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