Return-Path: <owner-rsgb_lf_group@blacksheep.org> X-Spam-DCC: paranoid 1102; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, RATWARE_GECKO_BUILD 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 tBAHkPcr009047 for <sq5bpf@lipkowski.org>; Thu, 10 Dec 2015 18:46:25 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1a75CW-0007lV-0Z for rs_out_1@blacksheep.org; Thu, 10 Dec 2015 17:40:20 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1a75CV-0007lM-NB for rsgb_lf_group@blacksheep.org; Thu, 10 Dec 2015 17:40:19 +0000 Received: from mout0.freenet.de ([195.4.92.90]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.86) (envelope-from <dl4yhf@freenet.de>) id 1a75Bc-0002Zy-Lc for rsgb_lf_group@blacksheep.org; Thu, 10 Dec 2015 17:40:18 +0000 Received: from [195.4.92.142] (helo=mjail2.freenet.de) by mout0.freenet.de with esmtpa (ID dl4yhf@freenet.de) (port 25) (Exim 4.85 #1) id 1a75BL-00055e-HF for rsgb_lf_group@blacksheep.org; Thu, 10 Dec 2015 18:39:07 +0100 Received: from localhost ([::1]:53210 helo=mjail2.freenet.de) by mjail2.freenet.de with esmtpa (ID dl4yhf@freenet.de) (Exim 4.85 #1) id 1a75BL-0000ZC-Ct for rsgb_lf_group@blacksheep.org; Thu, 10 Dec 2015 18:39:07 +0100 Received: from mx8.freenet.de ([195.4.92.18]:57585) by mjail2.freenet.de with esmtpa (ID dl4yhf@freenet.de) (Exim 4.85 #1) id 1a757c-0003Ei-Jv for rsgb_lf_group@blacksheep.org; Thu, 10 Dec 2015 18:35:16 +0100 Received: from x4d0256b2.dyn.telefonica.de ([77.2.86.178]:49682 helo=[192.168.178.27]) by mx8.freenet.de with esmtpsa (ID dl4yhf@freenet.de) (TLSv1.2:DHE-RSA-AES128-SHA:128) (port 587) (Exim 4.85 #1) id 1a757c-000868-FF for rsgb_lf_group@blacksheep.org; Thu, 10 Dec 2015 18:35:16 +0100 To: rsgb_lf_group@blacksheep.org References: <56686FA0.4050707@gmail.com> <CAA8k23RQGU=hgYNB0fQOh-HnU9B-ZCW6_Oki0RcWKBHDxksV7w@mail.gmail.com> <56695B15.6010203@abelian.org> <CAA8k23TqCUokxj9GoN0oPq9rbJWsS2w+-e8e0gCTReNNwzBmGg@mail.gmail.com> <56696950.1040300@abelian.org> From: =?UTF-8?Q?Wolfgang_B=c3=bcscher?= <dl4yhf@freenet.de> Message-ID: <5669B7CE.1090601@freenet.de> Date: Thu, 10 Dec 2015 18:35:10 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 In-Reply-To: <56696950.1040300@abelian.org> X-Originated-At: 77.2.86.178!49682 X-Scan-Signature: c1f72e5acb1277e013f90c915ad7ad68 Subject: Re: LF: LF EbNaut test from JN80 on 137370 Content-Type: text/plain; charset=windows-1252; format=flowed 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 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 5726 Hmm... the old problem with "I leading Q" or "Q leading I" if the signal frequency in the complex stream is positive. When loading Andy's file in a curve editor, I see the 2nd channel leads the 1st by 90 degrees. "positive or negative frequency" per definition ? Cheers, Wolf . Am 10.12.2015 um 13:00 schrieb Paul Nicholson: > > Andy wrote: > > > I'll check my generated .WAV files via the waterfall plot > > in Spec Lab to make sure the I/Q is the right way > > round. > > Yes, here I will check vlfrx-tools, I think it's the right > polarity but maybe not? I notice when I rx I/Q from an > RTL2832 SDR I have to invert Q to get the sidebands the > right way round which is suspicious. > > -- > Paul Nicholson > -- >