[Lowfer] 21.750 kHz

William E. Isakson bill.isakson at gmail.com
Tue Jan 21 11:07:00 EST 2014


computer sound cards are not really flat.  Also 24000 is evenly divisible
by 8 but 21750 is not.  Eight bits would pick off the peaks evenly and
average higher at 24kc.

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Bill Isakson     AC6QV
Roseburg, Oregon USA
bill.isakson at gmail.com

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On Mon, Jan 20, 2014 at 4:54 PM, Dexter McIntyre W4DEX
<dexter.mc at gmail.com>wrote:

> I see on Jay's vlf list ( http://www.w1vd.com/vlf.html ) 21.75 kHz is HWU
> France.  I'm seeing a much stronger signal there than I am on 24 kHz, NAA
> Cutler, Maine.  Is that possible?  I noticed this while trying to figure
> out how to frequency lock SpecLab to a VLF signal.
>
> Dex
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