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| Subject: | Re: VLF: 8270: now 8269.990Hz Sucess!?! - yes, alsoin Heidelberg |
| From: | Markus Vester <[email protected]> |
| Date: | Mon, 4 Apr 2016 17:33:17 -0400 |
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Sorry Uwe, nil here. All I can offer is "QR-" and "8@=" at low SNR and high rank numbers.
I did see another carrier on 8270.000 this afternoon, presumably again from Roland DL3NDR.
Hey we need a band plan ;-) No we don't really. However I would suggest to move EbNaut activity away from the grabber waterhole by an integer multiple of the symbol rate (N*0.0333 Hz for 30 s, e.g. 8269.9667 Hz). Then any interference from carriers near 8270.000 will be suppressed by the sin(x)/x response of the EbNaut decoder's symbol integration filter.
73, Markus
-----Ursprüngliche Mitteilung-----
Von: uwe-jannsen <[email protected]> An: rsgb_lf_group <[email protected]> Verschickt: Mo, 4 Apr 2016 10:25 pm Betreff: AW: Re: AW: AW: Re: VLF: 8270: now 8269.990Hz Sucess!?! - yes, alsoin Heidelberg Paul,
I counted on you! Stefan, Markus, did you decode something? Uwe Von: Paul Nicholson <[email protected]>
Gesendet: 04.04.2016 19:36 An: <[email protected]> Betreff: Re: AW: AW: Re: VLF: 8270: now 8269.990Hz Sucess!?! - yes, alsoin Heidelberg > sri, it is raining accompanied by heavy wind. > switch off time was abt 16:27 That was enough, about 70% of the message was transmitted. Copied an obvious correct decode with Eb/N0 = +2.4 dB. -- Paul Nicholson -- |
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