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2011-05-03T00:00:00.000Z

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Background Information

Employment History

National Institute of Standards and Technology

Lead Electrical Engineer

WWV

Group Lead and Electrical Engineer, Radio Station Facilities

COMMERCE/NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY

Web References (6 Total References)


[Courtesy of Matt Deutch, ...

www.braddye.com [cached]

[Courtesy of Matt Deutch, N0RGT]

"The antenna the 25 MHz [transmitter] is on right now is the original antenna it was on in 1977," Matt Deutch, N0RGT, WWV's lead electrical engineer, told ARRL. "When the 25 [MHz transmitter] was shut down [that year], the radiating section was removed and tossed in the bone yard, and a new longer section put on the tower to make it a 15 MHz stand-by antenna."
Deutch said that when WWV first reintroduced the 25 MHz broadcast in 2014, it used a broadband monopole. It was later decided to use that antenna for WWV's 2.5 MHz stand-by transmitter, though. "So, we decided to rebuild the 25 MHz antenna," he recounted. "A few weeks ago the boys dug the 25 MHz radiating section out of the mud in the bone yard and rebuilt the 25 MHz antenna, so that it looks identical to what it looked like in 1977."
The WWV campus in Fort Collins, Colorado. [Courtesy of NIST]
Deutch said the 25 MHz WWV vertical dipole now is coupled to its own, dedicated transmitter, radiating 2.5 kW "with near zero watts reflected," he added, and modeling has showed that the dipole exhibits a lower angle of radiation than the broadband monopole did. "There is no automatic backup transmitter for 25 MHz at this time," Deutch added. The 25 MHz WWV signal had been operating at about 1 kW for the past 16 months.
Deutch has said that WWV has received reports on the 25 MHz signal from across the Atlantic.


The Coloradoan - www.coloradoan.com - Ft. Collins, CO.

www.coloradoannews.com [cached]

"The Earth doesn't rotate consistently," said Matt Deutch, chief engineer at the NIST radio station."As the earth's rotation slows down in order to keep noon where it should be (at the sun's highest point), we have to make adjustments to keep astrological time in sync with the atomic clocks."

Deutch said the variance in the Earth's rotation is largely due to the moon's gravitational pull on the Earth's oceans.
"The moon's pull on the tide is actually acting as a break on the earth and slowing it down," Deutch said.
The current difference between the ultra-precise atomic clocks and the earth's actual rotational time is 2 to 3 milliseconds per day, according to the NIST.
Another factor according to Deutch is the land mass of the Northern Hemisphere, which accumulates large amounts of snow in the winter and acts as a break.Deutch used the analogy of an ice skater spinning in circles.As the skater moves her arms away from her body, she slows down.
...
Although the station is now largely automated, it still requires an engineer and three technicians to keep it operating, Deutch said.
"In Fort Collins, the ground is very conductive, which allows for better radio broadcasts," Deutch said.
...
Matt Deutch, chief engineer at the National Institute of Standards and Technology, explains Friday that a second will be added today to the Time Code Generator to make up for the variance in the Earth's rotation.


N.I.S.T.

www.livingstonmt.com [cached]

Matt Deutch from NIST this week wrote in an email, "I want to assure you that nobody has any intention of discontinuing the WWV/WWVH broadcasts.We are doing a survey as a periodic check (roughly every 15 years) to see how many are using our service and if we are meeting their needs."


Resurrecting the long-dormant standard time ...

aa5fr.com [cached]

Resurrecting the long-dormant standard time outlet operated by the National Institute of Standards and Technology (NIST) was Matt Deutch, N0RGT, WWV's Lead Electrical Engineer

"We have been at 1 kW for the past year," Deutch ...


The Columbia Amateur Radio Society

www.nf4cq.com [cached]

Resurrecting the long-dormant standard time outlet operated by the National Institute of Standards and Technology (NIST) was Matt Deutch, N0RGT, WWV's Lead Electrical Engineer

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