Latest articles by DON MARKLEY
Pattern directions
Two directional TV antenna patterns exist: What the FCC wants and what's realistic.
Antenna installation and tower construction
There are steps that station personnel should take when antenna or transmission line work is done or when towers are being constructed or modified
DTV antennas
Careful planning, design and installation can lead to an effective radiation pattern.
Transmitters: The new ones are bigger
When you wandered through the halls of NAB2006, the transmitter offerings seemed to be the same old things. There were small solid-state ones, ones with
Another visit to antenna measurements
This article offers a review of vector network analyzer basics for testing transmission lines, antennas and other RF components, along with some dos and don’ts.
Basics of transmission line selection
Don Markley offers suggestions for the selection of transmission line, as well as information on different options available, and some of the benefits and drawbacks of each.
Transmission & Distribution: Two or more aren't a crowd
Traditionally, each television station in the United States had its own antenna and transmission line. To a significant degree, each station also had
High-power antennas
High-power antennas come in a variety of flavors. Which is right for you?
Measurements for DTV
At the risk of the howls of indignation from the naysayers who have been around all through the DTV conversion, it appears that well-designed and installed DTV systems are operating extremely well.
The snows (and ice) cometh
Winter is approaching rapidly, and stations in many states must deal with its perils. That includes wind, snow, ice, freezing rain and cold that makes
Television measurements
Here are the good, the bad and the ugly about DTV measurements.
RF exposure guidelines
If you have to defend your existing or proposed RF facilities in a public forum, make sure you’re well informed.
New adventures in remote control
Remote control systems have evolved to an incredibly level of complexity and functionality
Transmitter technology
The station engineer can control his system from the convenience and privacy of his favorite bar or recliner
Keeping intruders off the site
From steel doors to security systems — find out the best way to protect your transmission site and keep trespassers out.
Digital STLs
Learn the ups and downs of getting your digital signal from the studio to the transmitter
TV transmitter control systems
Given that a well-maintained transmitter should show such stability, many transmitters receive scant attention during the broadcast day.
