Return-Path: X-Spam-DCC: paranoid 1002; 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=-2.2 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_50_60,HTML_MESSAGE 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 t9HJdAbm021934 for ; Sat, 17 Oct 2015 21:39:10 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ZnXHQ-0003ql-3s for rs_out_1@blacksheep.org; Sat, 17 Oct 2015 20:36:36 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ZnXHP-0003qc-Qo for rsgb_lf_group@blacksheep.org; Sat, 17 Oct 2015 20:36:35 +0100 Received: from omr-m004e.mx.aol.com ([204.29.186.4]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.86) (envelope-from ) id 1ZnXGL-0002D9-L6 for rsgb_lf_group@blacksheep.org; Sat, 17 Oct 2015 20:36:34 +0100 Received: from mtaout-maa01.mx.aol.com (mtaout-maa01.mx.aol.com [172.26.222.141]) by omr-m004e.mx.aol.com (Outbound Mail Relay) with ESMTP id 8AA523800091 for ; Sat, 17 Oct 2015 15:35:12 -0400 (EDT) Received: from White (ipbcc05f3c.dynamic.kabel-deutschland.de [188.192.95.60]) by mtaout-maa01.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id CC4F638000086 for ; Sat, 17 Oct 2015 15:35:09 -0400 (EDT) Message-ID: <996C21CA85D54CCA8FAACBD2C33B4F72@White> From: "Markus Vester" To: References: <1981852865.20151017122027@chriswilson.tv> <56228A1F.70401@tiscali.co.uk> <562293AF.50302@mollies.freeserve.co.uk> Date: Sat, 17 Oct 2015 21:27:13 +0200 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 12.0.1606 X-MimeOLE: Produced By Microsoft MimeOLE V12.0.1606 x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1445110512; bh=2Csbz7FplTho2Cvx90hspQGuVzUHW1JScviSZfPXRsI=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=k8xCdPkwy1CgzpENQmZYjzPiqu+tIH/kwx+pFSJys96tUiMM2aYPwCthbdtB1PnQw H6uI8sFVdlcfAnp/43FMfbPRrTRAfArohuzrXnjN0mfEtRkJCrVYeytww8Phrj4UoE NW3/viBjj3zwsxo6bUYjfV8nJNgXHFdj87TiGo1c= x-aol-sid: 3039ac1ade8d5622a2ed19ef X-AOL-IP: 188.192.95.60 X-Scan-Signature: 11963a33d604c33786d8f1de94ce267f Subject: Re: LF: WSPR-X Content-Type: multipart/alternative; boundary="----=_NextPart_000_000D_01D10922.96D9CFD0" 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: 4449 Dies ist eine mehrteilige Nachricht im MIME-Format. ------=_NextPart_000_000D_01D10922.96D9CFD0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Hi Martin,=20 version r3058 is working fine here. The issue could perhaps be related = to samplerate deviation. WSPR v2.11 sets up the soundcard at 48000 = samples/second whereas WSPR-X is asking for 12000 s/s. Usually the ratio = between the delivered samplerates is an accurate factor of four, but it = depends on the soundcard driver. More than half a percent error will = upset the symbol timing enough to render decoding impossible. You could = check it by injecting a known audio tone and looking at the frequency in = the wspr-x spectrogram. Best 73,=20 Markus (DF6NM) From: Martin Evans=20 Sent: Saturday, October 17, 2015 8:30 PM To: rsgb_lf_group@blacksheep.org=20 Subject: LF: WSPR-X I've tried and tried to get WSPR-X V0.8 r3058 to decode - I'm trying=20 now, on 474.2kHz. Good strong signals on the waterfall, computer time synched using=20 Dimension 4, but absolutely no joy at decoding. Is there a secret to this - the older WSPR 2.0 works fine. Or is there a later version that actually works? Martin GW3UCJ Swansea. ------=_NextPart_000_000D_01D10922.96D9CFD0 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Hi Martin, 
 
version r3058 is working fine=20 here. The issue could perhaps be = related to=20 samplerate deviation. WSPR v2.11 sets up the soundcard = at 48000=20 samples/second whereas WSPR-X is asking for 12000 s/s. Usually the ratio = between=20 the delivered samplerates is an accurate factor of four, but it depends = on the=20 soundcard driver. More than half a percent error will upset = the symbol=20 timing enough to render decoding impossible. You could check it by=20 injecting a known audio tone and looking at the frequency in the = wspr-x=20 spectrogram.
 
Best 73,
Markus (DF6NM)
 
 

From: Martin Evans
Sent: Saturday, October 17, 2015 8:30 PM
To: rsgb_lf_group@blacksheep.org= =20
Subject: LF: WSPR-X


I've tried and tried to get WSPR-X V0.8 r3058  = to decode=20 - I'm trying
now, on 474.2kHz.

Good strong signals on the = waterfall,=20 computer time synched using
Dimension 4, but absolutely no joy at=20 decoding.

Is there a secret to this - the older WSPR 2.0 works=20 fine.

Or is there a later version that actually=20 works?

Martin  GW3UCJ  = Swansea.



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