[Lowfer] 8822 Hz on at 2200Z

[Dexter McIntyre W4DEX]

Douglas D. Williams wrote:
> So far I haven't had any luck receiving Dex's signal using my PC sound card
> as the receiver, even though I'm able to see it every time using the G33DDC
> SDR.
>
> A couple of things could be going on:
>
> (1) The MIC input of my sound card may not be as sensitive as the SDR. I
> can see plenty of MSK stations, but they are several orders of magnitude
> stronger than Dex's signal. On the other hand, I believe most of the
> successful "Dreamer's Band" receptions in Europe have been made using the
> sound card as a receiver, so I'm more inclined to believe my failure is
> because of.....
>
> (2) The sound card's calibration may be off enough that Dex's signal may be
> outside the capture window, even on QRSS120. The SDR uses a USB input to
> the PC, and "virtual" sound card software.
>
>
>   
I suspect #2 is the most likely problem Doug.  If you don't have an 
accurate audio reference signal to calibrate with you can use Spectrum 
Lab receiving VLF signals of know accuracy.

Dex