Re: VLF: New experiments on 17.47 kHz planned...

[DK7FC <selberdenken@posteo.de>]

Hi Luis,

thanks for trying!

Eventually 42 uHz is to narrow. You could try a twice as high bandwidth, 
i.e. a half as long FFT window time and twice the scroll rate.

73, Stefan



Am 23.08.2018 10:14, schrieb VIGILANT Luis Fernández:
> Hi Stefan, 17.47KHz
>
> Sorry. Too much QRM during the summer here due to Air condition, etc  :(
> Set and spectrogram which is not yet in the grabber. Updated every 15min
> https://www.dropbox.com/s/jv1o0zvyzcq2edq/EA5DOM_Stefan_17KHz_SLab_Grabber.jpg?dl=0
>
> QRV again after long time out of QTH in vacations
>
> 73 de Luis
> EA5DOM
>
> -----Mensaje original-----
> De: owner-rsgb_lf_group@blacksheep.org 
> [mailto:owner-rsgb_lf_group@blacksheep.org] En nombre de DK7FC
> Enviado el: jueves, 23 de agosto de 2018 9:35
> Para: rsgb_lf_group@blacksheep.org
> Asunto: Re: VLF: New experiments on 17.47 kHz planned...
>
> Thanks Paul.
>
> That would be good for the traditional QRSS-60 over our distance. Not bad at 
> all for such a noisy summer!
>
> 73, Stefan
>
> Am 23.08.2018 06:43, schrieb Paul Nicholson:
>    
> >      
> > > Reports welcome :-)
> > >        
> > A great signal in Todmorden, 881km.
> >
> >   http://abelian.org/vlf/tmp/180823a.gif
> >
> > About 22dB S/N in 278uHz, about -14dB in 1Hz.
> >
> > --
> > Paul Nicholson
> > --
> >
> >      
>