Re: [IRCA] Talking house on 1630 ruining DX on channel

["W. Curt Deegan" <WWWR@xxxxxxxxxxxxx>]

Well Bill, you're certainly right, that ain't no SAH!

Was the recording made of straight audio like you'd hear on a car 
radio?  That is to say, no BFO, etc.

Sounds like a great way to attract people's attention, assuming at some 
point the audio is good enough to get the message across.  Almost makes you 
think it's designed that way.  As the audio level drops off the fluctuating 
carrier creates the noise to add to the range at which people will notice it.

Too bad it wasn't in some other neighborhood, so you could log it and then 
get away from it.

Curt
-------
W. Curt Deegan
Boca Raton, (southeast) Florida


At 07:49 AM 9/24/2006, you wrote:
>Curt:
>
>         Thanks for your observations and comments.  Yes, I know what is a
>Sub-audible Het (SAH).  If fact, I have been able to document SAHs of
>over 1 to 2 minutes in length using my audio graphing software.
>
>         In this case, it could be a SAH as you note, but the audio being
>produced is "dirty" and "sounds" almost like the infamous Cuban
>wobbler.  I have heard similar audio on other Part 15 transmitters.
>
>http://philcobill.com/sounds/talkinghouse/01630-20060923-0820-
>wobbling_talking_house.mp3
>
>         I suspect there is something wrong with the carrier of the Talking
>House, but I have not been able to isolate the carrier on my screen
>shots (using Spec Lab) because there are too many TIS carriers.
>Although I suspect it is at about 1629.985.
>
>         Check out the following: (add 1629.5 to the frequency at the top of
>the graph to get the exact frequency of the carrier)
>
>http://philcobill.com/sounds/talkinghouse/capt0609241124.jpg
>
>Bill Harms
>Elkridge, Maryland


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