Don L. Markley

Latest articles by Don L. Markley

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DTV transmitters

By Don L. Markley published

When the DTV rules were first announced, or even offered for comment, broadcasters started to worry about how a second channel could be accommodated within

Opinion
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Prevent antenna failures

By Don L. Markley published

In January, this column discussed the growth of the antenna complex on the Sears Tower in Chicago. As noted in that article, the installation was successful,

Opinion
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Arc flash safety

By Don L. Markley published

In a typical television transmitter installation 30 years ago at a time when big power was coming into play (three-phase, 460VAC) power was fed from a

Business
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Transmission lines

By Don L. Markley published

As almost all TV stations have a DTV facility in operation, it is time to plan what moves need to be made in the transmission line on the tower. Should

Business