When reception trouble is reported, it's not always easy to find the cause.
When STL transmitter and receiver products kept coming up short, we turned to the new, high-power STL-20C.
The PR&E ADX, IBOC at NAB1994 and radio listening habits.
WOR has encountered many positive results during its transition to IBOC. These tests were used to gather data on nighttime interference.
As the FCC continues to delete mandatory measurements and checks from the Part 73 rules, some unintentional traps are opened for the unwary engineer.
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.
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.
KKXS, Shingletown, CA, improves its signal with a new antenna. Read about it in this review.
Ignorance of the rules is not a valid excuse when an inspector comes calling. Here are some of the frequently overlooked rules.
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.
Why buy new when the existing equipment still works fine? Keep some of that vintage equipment running right.
When problems of abnormal VSWR occur, they generally result from mechanical or electrical damage due to the transmission line or antenna, and frequently to heavy ice formation on the antenna.
DAB from January 1994 | The debut of the Wheatstone A-300 | Satellite radio subscriber projections
Now that the FCC has accepted IBOC, we will see even more improvements as sites are updated with digital exciters and solid-state transmitters. With all of these advances in technology, don't overlook what can become the weak link: the method used to get the audio from one location to another.
Modern equipment is stable and reliable, but some things should be checked on a regular basis.
In October the Commission announced procedures that allow AM and FM stations to immediately begin interim IBOC digital transmissions on a voluntary basis.
A look inside the radio chipset that promises improved reception without the costs of digital transmission conversion.
The oldest transmitter in daily use | Crown | S-DARS awareness
With the FCC's reduced logging requirements, there is no excuse for a directional array not to have adequately written maintenance logs.
The fundamentals of the folded unipole have not changed much since 1952, but experience has provided several improvements as well as some weaknesses.
The use of somebody else's tower can be attractive, but before rushing into a contract with an existing tower owner, consider all the problems that can occur.
A robust transmission system is one that provides superior signal and audio quality, and provides this superior product even in adverse conditions.
There are several factors to keep in mind when it's time to select a new transmitter.
When vertical real estate is at a premium, diplexing AM stations may offer an cost-efficient alternative.
with proper engineering precautions, towers can survive intense lightning attacks.