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3/28/2012 12:11 PM
A followup on our "cheap talk" story
3/23/2012 4:07 PM

Buc Fitch recalls how a young Al Michaels handled the situation

By by Paul McLane 3/22/2012 7:18 AM

After two and a half years, NAB's leaders decide Gordon Smith should be here for the long haul

By Paul McLane 3/21/2012 12:33 PM

The Hilton is no longer a Hilton

By Paul McLane 3/6/2012 1:42 PM
Radio engineers continue to experiment with modulation-dependent carrier level in hopes of saving money on AM transmitter power bills.

Cris Alexander, director of engineering at Crawford Broadcasting and a Radio World contributor, provides an update...

3/28/2012 4:11:00 PM
A followup on our "cheap talk" story
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3/23/2012 8:07:00 PM

Buc Fitch recalls how a young Al Michaels handled the situation

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3/22/2012 11:18:00 AM

After two and a half years, NAB's leaders decide Gordon Smith should be here for the long haul

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3/21/2012 4:33:00 PM

The Hilton is no longer a Hilton

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3/6/2012 5:42:00 PM

Radio engineers continue to experiment with modulation-dependent carrier level in hopes of saving money on AM transmitter power bills.

Cris Alexander, director of engineering at Crawford Broadcasting and a Radio World contributor, provides an update in his latest engineering newsletter. Since deploying MDCL on three high-power AM stations, he reports, “we have been seeing some very tangible savings, both in power consumed and cost.”

“It wasn’t until early February that we got our first look at the savings realized from MDCL operation from the [Nautel] XL60 at WXJC in Birmingham,” he wrote. “Astoundingly, we saw almost a 40% savings for the month of January over the same period last year. That is almost double the savings that we have seen on our two NX50 MDCL stations, and I really don’t see how MDCL alone can account for it.”

He initially suspected that weather had played a part, but after looking at temperature records he discounts that. “We’re going to have to watch this one over a longer period of time to determine what the real savings are.”

But Cris said his other two 50 kW stations with MDCL “are enjoying a consistent 21% reduction in power usage, and I believe that is a reasonable number that we can continue to expect in the cooler weather months. I look for increased savings in the cooling season, probably another 2-3%.”

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