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Blog Central

Kirk Harnack [TWiRT]

If you're a radio engineer, this lively mix of news, tech tips and commentary will make its way to your "must watch" list. Join the conversation with our Kirk Harnack, his regular contributors and special guests.
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Recent Posts

TWiRT 335 - Amazing Dynamic Mics with Bob Heil

Posted by Kirk Harnack [TWiRT] on Feb 3, 2017 1:00:00 PM

There are hundreds of microphones on the market - a huge selection. What does Bob Heil know about mics that others have missed? Why do Heil mics sound great - on Ham Radio and in high-end studios? And what is Bob’s secret piece of test equipment for mic development? Bob Heil joins Chris Tobin and Kirk Harnack on this episode of TWiRT!

Hosts:

Chris Tobin, IP-Solutionist 

Kirk Harnack, The Telos Alliance, Delta Radio, & South Seas Broadcasting

Guest:

Bob Heil, Founder and CEO of Heil Sound, Ltd.

Show Links:

Heil Sound Pro Microphones

Heil Mic Primer

Ham Nation podcast

Theatre Organ from the Ozarks

Whirlwind SC48 multi-cable tester

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TWiRT 333 - Thoughtful Engineering Aids Workflow

Posted by Kirk Harnack [TWiRT] on Jan 20, 2017 1:00:00 PM

One of the best ways a thoughtful engineer can improve a broadcast facility is to make workflows, well, flow.  What design choices are slowing down your talents’ daily work?  What can an engineer do to help talent be more self-sufficient? Chris Tobin reveals some interesting scenarios where the engineer made a big difference in on-air operations.

Hosts:

Chris Tobin, IP-Solutionist 

Kirk Harnack, The Telos Alliance, Delta Radio, & South Seas Broadcasting

 

Show Links:

WebGopher for Radio

Introduction to AES67

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TWiRT 332 - Permafrost and Air Conditioning with John Antonuk

Posted by Kirk Harnack [TWiRT] on Jan 13, 2017 1:00:00 PM

How do you keep equipment operating when the temperature changes by 150 degrees? John Antonuk keeps 4 radio stations running year-round in Fairbanks, Alaska. And that’s pretty impressive when you consider the harsh - and varying - conditions. John joins Chris Tobin and Kirk Harnack on This Week in Radio Tech.

Guest: John Antonuk - Chief Engineer, iHeartMedia, Fairbanks, Alaska

Hosts:

Chris Tobin, IP-Solutionist 

Kirk Harnack, The Telos Alliance, Delta Radio, & South Seas Broadcasting

 

Show Links:

And, just where is this studio in Fairbanks?

Simulsat receive antenna brochure

AMC-8 Satellite Service Migration

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TWiRT 331 - IP Radio Success with Jeff Holdenrid

Posted by Kirk Harnack [TWiRT] on Jan 6, 2017 1:00:00 PM

Microwave radio links have been around for a while, and now with so many IP Radios on the market, how does a broadcast engineer choose what’s right? Jeff Holdenrid with DoubleRadius has been installing and configuring these systems for over 15 years. He gives us the lowdown on the inexpensive, unlicensed systems up to fully licensed links for broadcast.

Guest: Jeff Holdenrid, Sales Engineer - DoubleRadius

Hosts:

Chris Tobin, IP-Solutionist 

Kirk Harnack, The Telos Alliance, Delta Radio, & South Seas Broadcasting

 

Show Links:

Superior Essex Armored CAT6 cable

DoubleRadius value-added wireless networking

Micronet Communications & Consulting

Comsearch wireless solutions

Cambium Networks link planner

Ubiquiti outdoor wireless link calculator

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TWiRT 330 - War Stories with Tom Ray

Posted by Kirk Harnack [TWiRT] on Dec 23, 2016 1:00:00 PM

It’s a “War Stories” episode with special guest, Tom Ray.  Tom is a soldier in the broadcast engineering trenches every day. He joins Chris Tobin and me with tower snakes, mothball mice, and clever engineering tips for mobile, street-level remote broadcasts.  

Guest: Tom Ray - President, Tom Ray Broadcast Consulting

Hosts:

Chris Tobin, IP-Solutionist 

Kirk Harnack, The Telos Alliance, Delta Radio, & South Seas Broadcasting

 

Show Links:

Lectrosonics Wireless Mic and IFB Systems

The Car Doctor show

How to get rid of a Rattlesnake!

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TWiRT 329 - FM Antenna Tuning with Dana Puopolo

Posted by Kirk Harnack [TWiRT] on Dec 16, 2016 1:00:00 PM

That hunk of brass, copper, and stainless steel up on the tower is a lot more important than we often consider. The FM transmitting antenna launches a station’s signal to the audience.  It can have a huge effect on the station’s listenability. Dana Puopolo joins Chris Tobin and Kirk Harnack for anecdotes and specific advice about tuning FM transmitting antennas.

Guest: Dana Puopolo - Chief Engineer WGLS-FM, Rowan University Radio, Glassboro, NJ

Hosts:

Chris Tobin, IP-Solutionist 

Kirk Harnack, The Telos Alliance, Delta Radio, & South Seas Broadcasting

 

 

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TWiRT 328 - Check the Radio and Turn Signals with Mark Persons

Posted by Kirk Harnack [TWiRT] on Dec 10, 2016 1:00:00 PM

Gentleman engineer, Mark Persons, talks about mentoring engineering students from 150 miles away. Custom EAS Relay panels. Plus 4 dB steps in some car radios volume controls is crazy! And car-buying advice you don’t want to miss.  Plus Chris Tobin reports in from the Government Video Expo and Drone Show.

Guest: Mark Persons, President of M. W. Persons & Associates

Host: Kirk Harnack, The Telos Alliance, Delta Radio, & South Seas Broadcasting

 

 

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TWiRT 327 - Denny Sanders and Processing the Buzzard

Posted by Kirk Harnack [TWiRT] on Dec 1, 2016 1:00:00 PM

FM audio processing grew and developed right along with the Rock ‘n Roll radio format.  Denny Sanders played a key role in Rock Radio from Boston’s MIT to Cleveland’s Buzzard. Denny’s our guest along with Chris Tobin on This Week in Radio Tech.

Hosts:

Chris Tobin, IP-Solutionist
Kirk Harnack, The Telos Alliance, Delta Radio, & South Seas Broadcasting

 

 

Links from the show:

Denny Sanders on WMMS, November 1985 (in-studio video)

LABELING YOUR CABLES - Easy Everyday Solutions

3M™Scotchcode™ Write On Dispenser

 

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TWiRT 326 - Let’s Get Ready to Re-Aim

Posted by Kirk Harnack [TWiRT] on Nov 28, 2016 11:16:02 AM

Well, that’s one of many subjects that Chris Tobin and Kirk Harnack are discussing on this episode. Others include Burli newsroom software, Harris VistaMax, Shure SM7, Telos iPort PLUS parallel audio distribution, and Krone block patch cables. And, will President Trump replace FCC Chairman Wheeler?  

Hosts:  Chris Tobin, IP-Solutionist and Kirk Harnack, The Telos Alliance, Delta Radio, & South Seas Broadcasting

 

 

 

Links from the show:

Gentlemen, Move Your Dishes - Radio Networks Moving to AMC-18 (or SES-11?)

Krone Block information from the Online Engineer

Connecting the Land Down Under - via Satellite and Terrestrial Internet

 

 

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TWiRT 325 - Old to New Engineering at WHRO

Posted by Kirk Harnack [TWiRT] on Nov 12, 2016 1:00:00 PM

When you start from a solid engineering foundation, it’s much easier to pass the baton to your replacement.  John Heimerl retired from Engineering at WHRO in Norfolk, and the new engineer, Ray Lenz, has been building on John’s AoIP foundation. We’re talking with both John and Ray, plus Chris Tobin on TWiRT.

Guests: 

John Heimerl, Fine Tuning Associates, LLC

Raymond Lenz, Senior Radio Engineer, WHRO - WHRV

 

Hosts:  Chris Tobin, IP-Solutionist and Kirk Harnack, The Telos Alliance, Delta Radio, & South Seas Broadcasting

Links from the show:

WHRO, Norfolk, VA  

 

 

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