[Lf] DCF39

[Andre' Kesteloot]

Thanks Michael,
I suppose the AMRAD  members  involved in those recordings will follow
your
advice
Thanks and 73
Andre'

"M. Sanders (PA3BSH)" wrote:

> André,
>
> Sorry to inform you the information in both the PDF files do not show the
> details needed to identify DCF. I would suggest to make a .WAV recording on
> the PC with both 8000 and 11025 sample rate. It is possible for me to mix
> the .WAV recordings and 'live' DCF into a stereo type .WAV file. Both tracks
> in the output file can be compared mathematically (or better statistically)
> to check if timing and sidebands are similar.
>
> Best 73's,
>
> Michael Sanders, PA3BSH
>
> _______________________________________________
> lf mailing list
> lf at amrad.org
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Thanks Marco for you advice.
I believe the AMRAD members involved directly in those recording will
reply
directly to you.
Please make certain you write to <lf at amrad.org> (see above)
73
Andre'
****************************
"M. Bruno" wrote:

> In 21.34 31/01/00 , hai scritto:
> >Attached are the two files in question
> >Please send your coments to Lf at amrad.org (the files cannot be sent to
> >the reflector, too large)
> >thanks
> >Andre'
> >
>
> Hello Andre',
>
> I think you are on the right way. I suggest that you monitor the trace
> for a longer period, setting Spectran at the lower possible speed, and
> switching to the horizontal display. Then you will have about 20 minutes
> of data on the screen, and the QSB will show up; may be that the
> periodic signal spreading due to the modulation becomes evident also.
>
> The S/N of the trace seems very good, expecially in the DFC39xx file.
> I will say about 15 dB. The weak lines may be sidebands of the Loran-C.
> What chains are near you? Knowing the chain code ("GRI") you may
> compute the sideband frequencies.
>
> Well, if DCF39 has +15dX-Mozilla-Status: 0009y 30dB under the noise !
>
> 73 - Marco IK1ODO