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IP Radios and SIP with Bob Newberry

By Kirk Harnack [TWiRT] on Jun 30, 2014 10:07:00 AM

Bob Newberry at Clear Channel in Birmingham, Alabama, oversees engineering at 11 radio stations plus 4 HD signals.  Pushing the technology envelope means using new IP-radio technologies along with IP telephone systems - and both areas give Bob more options, better quality audio, and some money savings, too.  Joe Talbot from Telos joins me talking with Bob about learning SIP technology while putting it to good use.

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Topics: IP Telephony, Radio Technology, sip

Cumulus NASH Tour with Zach Harper

By Kirk Harnack [TWiRT] on Jun 13, 2014 2:55:00 PM

Nationwide daily drivetime radio shows, plus a huge weekly countdown show all emanate from a remodeled studio building in Nashville. It’s the Cumulus NASH studios, home to American Country Countdown, America’s Morning Show and Nash Nights. These state-of-the-art studios are built for multimedia production including video streaming and live concerts. Cumulus Nashville IT Director and Engineer Zach Harper gives a tour to the Nashville SBE chapter, and we brought our video camera along!

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Topics: Radio Technology

A Hot Mess of Nothin' with Vinny Lopez

By Kirk Harnack [TWiRT] on May 29, 2014 12:33:00 PM

Vinny Lopez takes us on a dive into the waters of PC-based television production. Radio stations and syndicated radio shows are getting into producing TV along with their radio content. Vinny, Chris Tarr and Andrew Zarian join me for a look at what’s possible. Plus Chris and Vinny discuss remote-controlled production equipment and SBE educational opportunities.


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Topics: Radio Technology, Television

Found In The Attic: ITT Mackay Marine 3010-C Receiver

By Tom Vernon on May 13, 2014 5:06:00 PM

This month's attic treasure is a 1968 ITT Mackay Marine 3010-C.

If you've served shipboard or been around maritime HF receivers, you know that this type of equipment is in a class by itself. Design specs demand reliable service in harsh environments, the ultimate in sensitivity, and reception of MW, CW, MCW, SSB and FSK signals within its frequency range.Weight, bulk and expense are not a problem.

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Topics: Vintage Radio Technology, Radio Technology

Studio Builds with Robert Combs

By Kirk Harnack [TWiRT] on May 9, 2014 9:48:00 AM

From old-school studio wiring and transmitter installation, to new IP-Audio routing and backhaul, Robert Combs has seen and heard it all. As a Regional Director of Engineering for Cumulus, Combs is one of a few “go-to” guys when a world-class studio is going together, or a new technology is being tested in the field. We’re talking with Robert about engineering management of a region of radio stations, and how newer IP-Audio technology streamlines today’s radio studio demands.



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Topics: Radio Technology

SNMP with Charlie Toner

By Kirk Harnack [TWiRT] on May 8, 2014 10:32:00 AM

Since 1992 SNMP has been used to manage IT devices over IP networks, now engineers can manage networked broadcast equipment, too.  Charlie Toner is an SNMP expert. He explains how good use of SNMP affords control of your broadcast devices, codecs, transmitters, and automation systems.  Plus, we get clues on how to create a robust network environment of managed broadcast devices with SNMP.

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Topics: Radio Technology

Joe Talbot - SIP Tech Update

By Kirk Harnack [TWiRT] on Apr 29, 2014 2:14:00 PM

TWiRT 209Quadcopters? We just can’t stop talking about them! So, there’s that. And Joe Talbot joins us from the high desert in Nevada. With more and more broadcasters moving away from POTS and ISDN tech, SIP/VoIP is bringing better-sounding phone calls into hundreds of radio and TV stations. How do you get SIP into your facility? Joe Talbot explains.


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Topics: IP Telephony, Radio Technology, sip

Set up Axia GPIO connections for AC and DC

By Clark Novak on Feb 12, 2014 2:07:00 PM

Laura GutknechtLaura Gutknecht, Technical Director at WSUM Radio at the University of Wisconsin, recently submitted a tip on setting up GPIO connections to work with AC and DC in a way that isolates the GPIO gear from harm.

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Topics: Axia Audio, Radio Technology, Radio Engineering

Found In The Attic: Tektronix Model 105 Square Wave Generator

By Tom Vernon on Nov 28, 2013 2:54:00 PM

Tektronix Square Wave GeneratorThis trip to the attic brings us a 105 Square Wave Generator.

Mention Tektronix and most people think of world class oscilloscopes. What is less well known is that the Beaverton, Oregon company also made other types of test equipment. As they were constantly pushing the envelope of oscilloscope performance, it soon became apparent that there was a lack of devices in the field capable of keeping scopes in calibration. So Tek got into the test equipment business as well.

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Topics: Radio Technology, Vintage Electronics

Axia GPIO for on-air lights

By Clark Novak on Nov 23, 2013 1:55:00 PM

Axia GPIO for on-air lightsResolving issues regarding Axia GPIO for on-air lights is a topic that comes up on a regular basis, and this month's Tech Tip question was a good reminder that we need to cover it again!

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Topics: Axia Audio, Radio, Radio Technology


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