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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*Topband\:\s+SDR\/DSP\s+pulls\s+out\s+signals\s+HOW\s+FAR\s+down\s+in\s+the\s+noise\?\s*$/: 4 ]

Total 4 documents matching your query.

1. Topband: SDR/DSP pulls out signals HOW FAR down in the noise? (score: 1)
Author: Mike Waters W0BTU <mrscience65704@yahoo.com>
Date: Sun, 19 Dec 2010 21:19:18 -0800 (PST)
Hello Topbanders, Has anyone used DSP and/or and SDR to receive extremely weak signals on 160 that are buried in the noise? "As an example of the filtering features, listen to these two audio samples
/archives//html/Topband/2010-12/msg00082.html (8,354 bytes)

2. Re: Topband: SDR/DSP pulls out signals HOW FAR down in the noise? (score: 1)
Author: Greg - ZL3IX <zl3ix@inet.net.nz>
Date: Tue, 21 Dec 2010 06:58:19 +1300
Hi Mike, Perhaps not quite what you were after, but I have found that the new DSP Rx at my remote 160m site works better than any analogue Rx I have had there. I am using a modified Mercury PCB from
/archives//html/Topband/2010-12/msg00083.html (7,981 bytes)

3. Re: Topband: SDR/DSP pulls out signals HOW FAR down in the noise? (score: 1)
Author: shristov <shristov@ptt.rs>
Date: Mon, 20 Dec 2010 18:08:40 +0100
Those two files are completely unrelated, even the duration is not the same. The file http://www.sdrham.com/bin/cq_unfiltered.mp3 has a very weak signal on 650 Hz. The file http://www.sdrham.com/bin/
/archives//html/Topband/2010-12/msg00084.html (7,720 bytes)

4. Topband: SDR/DSP pulls out signals HOW FAR down in the noise? (score: 1)
Author: "Alex Goldenberg" <kajotus@gmail.com>
Date: Tue, 21 Dec 2010 16:06:48 -0800
that Hello , Mike and others ! I am using SDR for 160m reception as well as couple of 1000MP connected to different RX systems .. The story is pretty long , but I vote for 160M Soft Rock (using my o
/archives//html/Topband/2010-12/msg00086.html (8,037 bytes)

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