NAB Trains Engineers at NAB AM Antenna Computer Modeling Seminar 

The NAB AM Antenna Computer Modeling Seminar held at the NAB headquarters in Washington, DC, the week of Nov. 12, 2007 attracted 45 engineers.

RF filters 

Radio-engineering work is very involved with filters of one kind or another. The science of broadcasting depends on the correct passage of various frequencies through differing pieces of equipment. Some frequencies are in the audio range and others are in the RF domain.

Wi-fi antennas 

In recent years, the introduction of wireless networks allows users to work anywhere within a defined location. The technology behind wireless networks changes almost yearly, but one thing remains the same: the antenna.

LEDs Are Here to Stay 

Tower lighting requirements, which are specified in part 17 of the Commission’s rules, sometimes come as a financial shock.

Towerswitch Collocom-2 

Simply put, the Collocom-2 is an easy-to-install, solar-powered device used to play an audio warning or safety message at a tower site.

Being duly diligent in station operations 

Take some time to ensure that basic legal and FCC rule obligations are met when taking over as the chief operator at a station.

Sign Off 

WHK celebrates its 85th year this year, the original Media Touch system is revisited, and the next wave of radio listeners are listening to radio at all.

New directional measurement techniques proposed 

A group of broadcasters, consultants and manufacturers have petitioned the FCC to allow moment method modeling of AM directional arrays as a ways to reduce the burden of taking field strength readings in determining coverage.

Sign Off 

Do you remember? The first Continental Electronics 317C 50kW AM transmitter was installed in 1965. The transmitter was mostly solid-state and featured

BE Receives Multiple Transmitter Orders at NAB2007 

Broadcast Electronics (BE) returned from the NAB convention with a number of transmitter sales, including some from Univision and Regent Communications.

BE HD Radio Transmitters Reach New Benchmarks 

Broadcast Electronics (BE) reports that its line of solid-state FM HD Radio transmitters now exceed the previous benchmarks for output power and spectral performance.

LPFM and FM translators given new latitude 

The commission has always been subject to political influence—as an agency created and funded by Congress, this is to be expected—but a blatant rule override to accommodate a politically connected illegal operator is discouraging to the honest broadcasters.

The path to upgrading 

From finding land to filing a Form 302: an overview of the steps for completing an upgrade.

A Foundation for the Future 

In its most basic description, this project entailed the addition of a 40 feet by 60 feet space attached to an older, steel-framed transmission facility, but the story extends far beyond the basics.

Nautel V5d 

WXPR chose Nautel's V5d for transmitting its HD Radio signal via the space combining method.

Wireless delivery alternatives 

Exploit the latest wireless technologies to enhance the listener experience. After all, the terrestrial-based transmitter is only one of the possible delivery systems that radio stations can use.

The HD Radio Network 

The advent of HD Radio is requiring the broadcast industry to take a closer look at its station's networking system and infrastructure. Minimizing network-related

Open Mic: Steve Fluker 

The Surround Sound Audio Task Group's latest effort is a paper that discusses surround on radio. Steve Fluker, co-chairman of the group, explains the paper's details.

Where does the signal go? 

Whether you are predicting coverage to determine if your antenna is operating properly or producing a map your sales people can use, propagation prediction is a science and an art.

Living with your license 

Your new or latest station license has arrived. How you deal with it can have a huge effect on your future.

Planning for a digital future 

In 2005 American Tower was approached by current and prospective tenants to consider modifying the aging antenna and its combiners to transmit HD Radio. The result of this project is an antenna installation with greater capacity, additional redundancy, and natural transition path for the stations to go digital.

Field Report: Inovonics Model 713 

The Inovonics 713 fulfilled the RBDS needs of Yellowstone Public Radio's vast network.

The road to antenna maintenance 

Before any useful maintenance can be performed it is essential to know how a system is supposed to operate and also know the licensed operating parameters. A copy of the latest proof of performance and the current license are a good place to start.

Night at Brant Rock 

Dec. 24, 2006, will mark the 100th anniversary of Fessenden's audio broadcast. Learn about the innovator and the technology he applied to make it work.

FCC uses terrain data in NCE-FM channel reservations 

Petitioners proposing to reserve FM allotments for noncommercial use will now be able to use actual terrain data to show compliance with the first and second local service requirement.

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