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Re: [IRCA] Audio Phasing?
- Subject: Re: [IRCA] Audio Phasing?
- From: Rob Moore <rmoore5@xxxxxxxxxxxxx>
- Date: Fri, 21 Dec 2007 21:25:40 -0800
Hi Kevin,
Sorry for addressing you as Satya - Didn't realize that you had signed
with a different name.
That's interest about the phasing results. I've been looking for an
excuse to buy an SRF-59, now I"ll have to buy two just to try this out!
And I don't even do much in the way of MW DX'ing, I'm just fascinated
with receiving techniques to maximize clarity.
Thanks,
Rob
satya@xxxxxxxxxxxx wrote:
> Hi Rob:
>
> Thanks for your note. You're right - it's the same principle as RF
> phasing, only at the AF stage. I have a Quantum Phaser and numerous loops
> and wires, which often work in various combinations at the RF stage, but
> in many situations, especially with strong locals that are tough to phase,
> this works even better. Right now I am getting somewhat decent audio from
> a high school basketball game (probably Utah or Wyoming) underneath local
> 1210-KWMG, something I haven't been able to replicate with RF phasing.
>
> Tonight I've noticed that, once a null is established, one or both of the
> units can be rotated through pretty much 360 degrees to better locate the
> DX target station and/or get rid of the low hum that sometimes come with
> phasing of the pest, usually without having to tweak the volume controls.
>
> Kevin S
> Bainbridge Island, WA
>
>
>
>> Satya,
>>
>> It sounds like what you are doing is the same thing as is done with the
>>
> phasers available from Quantum, MFJ or other places, except that you
> require two radios to get the effect because you do it at the audio
> level,
>
>> where the phasers out there generally do it at the antenna level and
>>
> don't
>
>> require two radios. Admittedly, the radios are inexpensive but have you
>>
> tried a phaser and is your effect any different or more pronounced?
>
>> Rob
>>
>
>
>
>
>
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