Tag: "SBE"

My Professional Opinion: Do NOT Run the FEMA/Ad Council PSA!

| June 3, 2013

By Thomas R. Ray, III CPBE, AMD, DRB
Tom Ray Consulting
President   
TALKERS
Technical Editor

Ad CouncilFEMANEW YORK — You may have seen my warning in Friday’s edition regarding a PSA that was released by the Ad Council, under the auspices of FEMA, extolling the virtues of the emergency alerts the public can now receive on their cell phones.  A great idea.  Worthy of getting the word out.  Even if the PSA promotes a service available on cell phones.

Only one problem.  The PSAs (there are several, and they are also available for television) use the EAS two-tone alert tone as part of the message.

Read More

Crud and Other Stuff

| May 24, 2013

By Thomas R. Ray, III CPBE, AMD, DRB
Tom Ray Consulting
President   
TALKERS
Technical Editor

First the Crud

NEW YORK — So I was working on this transmitter today.  Seriously – I know this starts off like a joke.  Problem was actually a bad air switch.  All transmitters have a way to sense air flow.  If there is no air flow in the transmitter, if, for example, the blower motor quits, it will shut down.  In the case of a tube transmitter, this is to prevent the final amplifier deck from melting down and starting a fire.  In a solid state transmitter (which also uses temperature sensing in the final amplifier), it prevents the transistors from self destructing causing a fire and/or other severe damage to the amplifier.

Anyway, this isn’t related to the air switch, but it could be (the air switch in this case was 33 years old – it simply had enough).  The air filters on the transmitter were caked with crud.

Read More