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| To: | [email protected], "Barzen, Guido" <[email protected]>, Bernd Grupe <[email protected]> |
|---|---|
| Subject: | VLF: usr file for SAQ |
| From: | Stefan Schäfer <[email protected]> |
| Date: | Tue, 19 Oct 2010 01:13:47 +0200 |
| Cc: | Christian Axtmann <[email protected]>, Bernd Strehhuber <[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 |
Dear VLF,This sunday, SAQ @ 17.2 kHz will transmit again, as already announced (http://www.alexander.n.se/). I have set up a usr file for receiving SAQ in SpecLab. Yes i know, there is the SAQrx program but i just wanted to try how it can be done in SL. So, if you want to try it, maybe as an alternative, here it is :-) The output frequency is 800 Hz, in a 500 Hz CW filter plus noiseblanker. You can read the CW letters in the waterfal display. An internal fast AGC is on. The sound can be recorded as a audio file. A Spectrogram is added to show the S/N. The program should work without too much need for adjustment but can be optimised for a given RX of course. It is designed for soundcard RX antennas! 73, Stefan/DK7FC
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