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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: SAQ |
| From: | Stefan Schäfer <[email protected]> |
| Date: | Tue, 19 Apr 2011 01:09:20 +0200 |
| In-reply-to: | <[email protected]> |
| References: | <43B66C409004426BB0659C4C5969EAFE@lindavideo>, <5AE67B935B3B4B1C96C82C4E19D5D2B5@lindavideo> <[email protected]> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
| User-agent: | Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.11) Gecko/20100711 Thunderbird/3.0.6 |
LF,A bit late be any way i want to share my reception of SAQ. The RX is my VLF grabber antenna and SpecLab V2.76b18. The signal is converted to 700 Hz and filtered in a 200 Hz Filter with 100 Hz slope. The first time i played with the autonotch and denoiser filters. It may sound a bit strange and actually i like some band noise in the background but anyway it is an interesting thing, this denoiser. I tried this with CW signals of DF6NM on LF and got better results than using a even narrower filter. If you want to listen to the results: http://dl.dropbox.com/u/19882028/SAQ_14APR2011%40DK7FC.WAV 73, Stefan/DK7FCPS: Due to the presence of JXN and HWU it made no sense to pre-filter the band with a wide (about 4 kHz) filter and remove the sferics before passing the signal through the narrow filter... |
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