Return-Path: X-Spam-DCC: paranoid 1290; Body=3 Fuz1=3 Fuz2=3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, FORGED_RCVD_HELO,SPF_PASS autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id u3PC8EGQ023865 for ; Mon, 25 Apr 2016 14:08:14 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1aufEe-0003pA-IB for rs_out_1@blacksheep.org; Mon, 25 Apr 2016 13:03:28 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1aufEe-0003p1-3a for rsgb_lf_group@blacksheep.org; Mon, 25 Apr 2016 13:03:28 +0100 Received: from smarthost03c.mail.zen.net.uk ([212.23.1.22]) by relay1.thorcom.net with esmtp (Exim 4.87) (envelope-from ) id 1aufEc-0002ZQ-7h for rsgb_lf_group@blacksheep.org; Mon, 25 Apr 2016 13:03:27 +0100 Received: from [82.70.254.222] (helo=OfficeWin7.lan) by smarthost03c.mail.zen.net.uk with esmtp (Exim 4.80) (envelope-from ) id 1aufEb-0001f0-9X for rsgb_lf_group@blacksheep.org; Mon, 25 Apr 2016 12:03:25 +0000 Date: Mon, 25 Apr 2016 13:03:24 +0100 From: Chris Wilson Organization: Gatesgarth Developments X-Priority: 3 (Normal) Message-ID: <67371563.20160425130324@chriswilson.tv> To: Chris Wilson In-Reply-To: <832578165.20160425123733@chriswilson.tv> References: <832578165.20160425123733@chriswilson.tv> MIME-Version: 1.0 X-Originating-smarthost03c-IP: [82.70.254.222] X-Scan-Signature: 1708620d3ce65bee0beaaede7929769a Subject: Re: LF: Dirty signal Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-Scanned-By: MIMEDefang 2.56 on 10.1.3.11 Status: O X-Status: X-Keywords: X-UID: 7844 Hello LF 'ers Monday, April 25, 2016 Best regards, Chris 2E0ILY mailto:chris@chriswilson.tv > 25 April 2016 > Had a report that my LF WSPR2 signal was dirty with massive side bands > on Sunday. I had a look at my setup today found Windows had decided to > up the audio level from WSPR to maximum into the TS-590 and scoping > the output of the pre amp and frequency doubler before my G3YXM amp > showed it looking very ropey indeed. > I reset it and did a couple of normal WSPR2 transmissions interspersed > with using the WSPR TUNE function, whilst watching on the G3XXM and > G4WGT LF grabbers. I am no expert whatsoever, but it doesn't look bad > now to me. Is this an adequate test to make and to assume things are > now OK? Thanks. > Screenshots are at http://www.chriswilson.tv/signals/signals.html I managed to get a few more minutes on this, and now my SA is fixed and calibrated I thought some SA screen shots would be useful. I stuck a small rubber duck antenna in the input port and looked at my signal in real time off my normal TX antenna whilst actually transmitting WSPR2. Tried with 2 frequency spans. Also took photos of the scopematch showing a good V /I balance, and the amp meter set to show reflected power, which all but nothing. Am I clean....? :) http://www.chriswilson.tv/signals2/signals2.html