A busy month 

So much happened last month, so there is lots of ground to cover.

Staying neutral 

Because of inductive and capacitive circuits, it is often easy for undesired and usually unwanted oscillations to be generated in an amplifier stage. Neutralization is important to keep these systems at maximum efficiency.

Shaping radio today and tomorrow 

An early Gates transmitter and a look back at AM directional rules.

The killer app for IBOC 

With the FM implementation of IBOC, standard broadcast stations will need to deal with a number of technical problems related to making IBOC work with RF propagation issues.

Field Report: V-Soft AM-Pro 

Although there are many software options for evaluating FM stations, there are few software packages to evaluate AM stations. AM-Pro is perhaps the newest package available, and it is proving to be one of the best.

A station buyer's technical checklist 

When a company decides to purchase a radio station, the station's technical plant is often overlooked by the buyer.

RF amplifier basics 

A radio transmitter is a collection of stages. How these stages function determines the operational capability of each transmitter.

Field Report: APT/Pulsecom PCAU 

Local telephone companies no longer support analog dedicated circuits. The PCAU gets around the limitation, as this review describes.

IBOC end to end 

10 steps to determining the best digital migration path.

Shaping radio today and tomorrow 

WELL-FM's Western Electric transmitter, the first Picks Hits and the attendance trend at NAB.

Radio's friend or foe? 

New technology can be described as either emerging or breakthrough. IBOC is hardly breakthrough.

An IBOC roadblock 

In the middle of May, the road to IBOC took a major detour. What has been an ongoing work in progress with a predictable slow and steady pace has been

Field Report: Broadcast Electronics FXi 60 

WIBW, Topeka, chose a digital exciter for its analog needs today and its digital growth tomorrow.

The power behind the station's voice 

When buying a new transmitter, you will most likely be replacing an old unit or building a new site.

Fixing signal problems 

When reception trouble is reported, it's not always easy to find the cause.

Shaping radio today and tomorrow 

The PR&E ADX, IBOC at NAB1994 and radio listening habits.

Running interference 

WOR has encountered many positive results during its transition to IBOC. These tests were used to gather data on nighttime interference.

Field Report: Marti STL-20C 

When STL transmitter and receiver products kept coming up short, we turned to the new, high-power STL-20C.

Environmental, ground system problems 

As the FCC continues to delete mandatory measurements and checks from the Part 73 rules, some unintentional traps are opened for the unwary engineer.

Digital Radio in 1994, John Battison in 1931 

1994: The EIA and NRSC review seven DAR systems at NASA's Lewis Research Center in Cleveland. Also, On the air in 1931 and a llok at listener loyalty.

Building a better radiator 

As public rejection of tall towers has increased, radio engineers have been paying more and more attention to AM antenna design requirements in an effort to develop shorter AM antennas that are as efficient as their taller brethren.

Field Report: SWR Illumitron 

KKXS, Shingletown, CA, improves its signal with a new antenna. Read about it in this review.

Shaping radio today and tomorrow 

A look back at the Philips DCC, an increase in high-speed Internet access, and 10 Years of Radio looks back at the IBOC tests of 1994.

Legacy equipment 

Why buy new when the existing equipment still works fine? Keep some of that vintage equipment running right.

Often-forgotten FCC rules 

Ignorance of the rules is not a valid excuse when an inspector comes calling. Here are some of the frequently overlooked rules.

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