Re: [IRCA] MW-IBOC carrier power/ IBOC noise blanker?

["Chris Black" <n1cp@xxxxxxxxxxx>]

My meager contribution to this is as follows:

Here on the Cape, 710 WOR just destroys 720 CHTN, which I like to listen to. 
I find that if I null WOR and listen to 720 on the LOWER sideband 
(counterintuitive I know because its closer to the QRM) fire up my DSP noise 
reduction, I can hear CHTN at almost acceptable levels, certainly not as 
well as without the QRM, however. If I go to USB, the hiss is intolerable.

Chris Black
Cape Cod
----- Original Message ----- 
From: "Tom Dimeo" <mwamdx@xxxxxxxxxxxxx>
To: <irca@xxxxxxxxxxxxxxxx>
Sent: Monday, September 19, 2005 3:06 PM
Subject: Re: [IRCA] MW-IBOC carrier power/ IBOC noise blanker?


> As I understand, the IBOC carriers on one side of an IBOC
> station are out of phase of the IBOC signals on the other
> side.  So, I wonder if you have two identical receivers, one
> tuned to the upper side of an IBOC station and the other
> tuned to the lower side of an IBOC station, then you feed the
> audio of the two receivers into some kind of a combining
> network, would the IBOC noise be eliminated?
>
> Hope one of the technically oriented people here understand
> what I am asking.
>
> Tom
>
> ** Original Message From: Patrick Martin **
>>Dan,
>>
>>Thanks your e mail. 3333W does sound more like it. 625W
>>would be weaker compared to the S Meter reading I do get.
>>
>>In this ever changing digital world we are entering, has
>>anyone thought of a complex digital noise blanker to take the
>>IBOC noise out? I can hear several of you saying, that is
>>impossible being part of the broadcasters signal. But the
>>technology of today has done many things that a few years ago
>>were not considered possible. I know without the current
>>noise blankers, I would have a tough time DXing here because
>>I live next to an electric fence. The noise blankers take 99%
>>of it out. So why not some complicated noise blanker to kill
>>the IBOC hash? It is possible? Has anyone thought of it?  I
>>am sure it would not be an easy task, but can it be done? Any
>>thoughts on the subject?
>
>
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