Phasors and ATUs
The phasor is not the frightening cabinet of horrors that some engineers consider it to be. While it may seem daunting, a basic understanding of its operation will make maintenance of the antenna system much easier.
Lead, follow or get out of the way
You may not like what you see and hear with the current activity in analog and digital radio, but you can follow those who are making a new path, take an active part in clearing a different path or stay where you are and be left behind.
Broadcast Electronics FMI-703
This FM transmitter is capable of analog and digital signal transmission. It includes the BE FSI-10 and FXI-60 exciter for IBOC operation.
Sound all around
IBOC in Surround Sound: A look at the technologies in development.
Measuring Modulation
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
FMCONT is a software module that performs channel searches through a current FCC FM broadcast records database.
Electronic feedback
Most of the radio transmitters in use today depend on feedback, negative or positive, for their successful operation.
Field Report: Audemat-Aztec FMX480
A review of the FMX480, a 1RU device that includes an RBDS encoder, DARC encoder, stereo generator, multiplex optimizer and multiplex limiter.
Sign Off
Read about a solar-powered station from 1979.
10 years of progress
The debate over IBOC is as strong as ever.
Split-level combining
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.
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.
Antenna currents and field strength
Sometimes we lose sight of the relationship between current in an antenna and the resulting field strength value.
Relaxed LPFM interference rules
Given industry opposition to relaxation of the third-adjacent channel protection standard, the matter may not see the light of day in the foreseeable future.
Getting the most from tower inspections
Tower inspection expenses are small compared to the financial consequences of not spending the money on one. However, make sure that this is actually
Safety first
It may seem that a typical broadcast facility doesn't have all the safety concerns of a construction site or a manufacturing facility, but accidents happen.
Concerning combiners
Until the advent of FM, combiners were rarely required. After FM was introduced, the need for a method of feeding two or more FM frequencies into a single
Transmission - Antennas
Field Report: Harris Intraplex STL Plus
WQSX-FM chose the Intraplex for its IBOC upgrade and provides this review.
Changes in tower standards
Sometime this year the Telecommunications Industries Association (TIA) will release the most comprehensive revision to the tower standards since 1996.
The IBOC FM waveform
The IBOC system for FM as developed by Ibiquity is a fascinating engineering feat.
The search continues
In the summer of 2003 we began our search to find the oldest transmitter in daily use. We received some submissions directly from stations, while others
The digital age has arrived
One day we'll look back and remember when the digital age of radio began.
The data dilemma
IBOC has been officially launched, but what do we do with the data capacity?
New transport methods
When considering methods to move information from one point to another, it is interesting to reflect on how our needs have changed over just the past 20 years.
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