[Collins] KWM2A receive alignment - USB/LSB

Jim Brannigan jbrannig at optonline.net
Mon Jan 30 09:04:08 EST 2006


With a counter, check the frequency of the USB/LSB crystals.  They might be 
off.

Jim

>I have noticed that the receive audio on my RE KWM2A is noticeably 
>different
> between USB and LSB.  LSB has fuller audio, USB is sharper.  In reading
> through the alignment procedures, I'm not too clear on where I should be
> looking to correct this.  I have to admit I have more experience with the
> Drake tube receivers in adjusting the carrier oscillator (C130) so that
> there is little difference when switching back and forth between USB and
> LSB.
>
>
>
> There doesn't appear to be anything as simple as this in what I have been
> reading.
>
>
>
> I'm assuming that the KWM2A alignment procedure ultimately covers this, 
> but
> is there a simpler way to accomplish this?  I'd rather not dig into it 
> until
> I know more about it.
>
>
>
> Thanks for any information..
>
>
>
> Steve Garwood, N0CZV / AFA1GQ
>
> Attica, Ohio



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