Not the Same Old STL 

Why it's so important to have network access at your transmitter site, and how you can do it now.

Jampro Antennas RCCC-102-FM 

Constant impedance FM bandpass combiner

WAOK-AM Uses Method of Moments Proof 

The FCC has allowed stations to use Method of Moments proofs, and WAOK-AM in Atlanta, is one of the first stations to implement the technology.

Method of Moments Modeling 

In February 2009 the FCC formally permitted the use of Method of Moments (MoM) modeling. Kevin McNamara explains the concepts of using this tool.

IBOC Update: Data and Asymmetrical Sidebands 

Artist Experience and asymmetrical sidebands present new opportunities for HD Radio.

Implementing MDCL 

Modulation Dependent Carrier Level improves the overall efficiency of large AM transmitters, thus reducing the expense associated with power.

Understanding Tee Networks 

The tee network seems almost magical as it has the ability to transform between almost any two complex impedances using only reactive elements.

L-com Global Connectivity DIN Rail Mountable Lightning and Surge Protectors 

Lightning protection

WorldCast Systems Audemat FM Receiver Silver 

FM rebroadcast receiver

Directional Antenna Basics 

Jeremy Ruck reviews the basics of directional antenna arrays.

ERI-Electronics Research CS203 and CS400 

Broadband coaxial motorized switches

Nautel Releases FAQ, Plans Webinar on Modulation-dependent Carrier Level Control 

The Oct. 19 webinar, called AM Power Saving Techniques, will run from noon to 1 p.m. EDT.

Field Report: Harris Intraplex HD Link 

The Intraplex HD Link is a 950MHz radio system that passes not only the typical program audio, but also HD Radio traffic between a studio location and a transmitter site.

Harris Boosts ACC+ Efficiency for AM Broadcasters 

Harris PowerSmart technology yields up to a 35 percent reduction in energy use for AM broadcasters.

Harris Adds IP Functions to Intraplex HD Link STL 

The STL can provide concurrent RF and IP delivery to minimize service interruptions.

Disaster Recovery 

It is prudent to create and maintain a plan for disaster recovery at your facilities, which includes maintaining a strong working relationship with your consulting engineer.

ERI-Electronics Research Inc 935/938 Series 

FM band pass filters

SPX Communication Technology Dielectric DCR-XL 

Low-power antenna

LBA Technology FieldSense ProHD 

Personal RF safety monitor

Dialight Vigilant Series High Intensity L-856 LED Strobe Achieves FAA Certification 

The Radio magazine 2011 Pick Hit-award winning product will be installed on a 1,200' tower in North Carolina.

Building Codes and RS222-G 

TIA-222 has been around since 1949, but it has seen several revisions. Here's a review of the current standards.

Fixed Cellular Terminals at Remote Sites 

As anyone who has tried to use a cellphone at a mountain top site knows, often coverage is spotty. Some rural transmitter sites are so rural they can't support a reliable connection to the PSTN.

RF Safety 

FCC rules, IEEE and NCRP standards are designed to reduce the potential for human danger.

ERI-Electronics Research Inc 785/786 Series 

FM notch filters

A DIY Approach to Site Security 

Securing sites fulfills objectives such as protecting the public from harm, deterring theft, protecting equipment and securing buildings.

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