[AMRadio] Fwd: Re: Ebs Test failure

Dennis Gilliam dennisgilliam at gmail.com
Thu Nov 10 00:18:03 EST 2011


I started in radio engineering when Conelrad was the order of the day.

I can tell you, it was not easy to comply...shifting frequency to either
640 or 1240, whichever was closer to your assigned freq...it was tough
getting 100 watts into the antenna when your 1kw station was designed for
1400 Kc.  No VFO's in a radio station...

The national audio feed was pretty easy and reliable, it came through all
of the national networks.  Local tests were just that...locally originated
via voice.

73DG W7TFO


On Wed, Nov 9, 2011 at 10:05 PM, Robert Nickels <ranickel at comcast.net>wrote:

> On 11/9/2011 10:38 PM, Robert Lawson wrote:
> > Remember when we were kids and would hear the weekly broadcast band
> > local radio stations' CD weird beeps and buzzes and then a, "This has
> > been a test
>
> Today's failure drove me to the collection of old EBS and Conelrad tests
> on Youtube.   The first nationwide civil defense test was held on July
> 20 1956, smack dab in the middle of the analog, boatanchor, tube-type
> radio era.  But  unlike today, that test - using analog tube-type
> amplitude modulation - worked perfectly!
>
> Here's the 15 minute CONELRAD Civil Defense Radio Instructions broadcast
> that was carried nationwide on 640 and 1230 kc - everything you need to
> know to "be prepared" as explained by government officials, and a few
> well-known celebrities:
>
> Part 1 :   http://www.youtube.com/watch?NR=1&v=sAxjkMtJA6E
> Part 2:    http://www.youtube.com/watch?v=lyhRYo_m6-s&feature=related
>
> "Civil Defense is Everybody's Business - it's YOUR Business!    And
> that's the way it was...
>
> 73, Bob W9RAN
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