Return-Path: X-Spam-DCC: paranoid 1102; 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=-0.4 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, FORGED_AOL_TAGS,HTML_30_40,HTML_MESSAGE,UNPARSEABLE_RELAY 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 u2EMbrA1017713 for ; Mon, 14 Mar 2016 23:37:53 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1afb4O-0008Dx-Em for rs_out_1@blacksheep.org; Mon, 14 Mar 2016 22:34:36 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1afb4O-0008Dl-4A for rsgb_lf_group@blacksheep.org; Mon, 14 Mar 2016 22:34:36 +0000 Received: from omr-a006e.mx.aol.com ([204.29.186.55]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.86) (envelope-from ) id 1afb4L-0006c2-SI for rsgb_lf_group@blacksheep.org; Mon, 14 Mar 2016 22:34:35 +0000 Received: from mtaomg-aae01.mx.aol.com (mtaomg-aae01.mx.aol.com [172.27.1.99]) by omr-a006e.mx.aol.com (Outbound Mail Relay) with ESMTP id AEC2E3800094 for ; Mon, 14 Mar 2016 18:34:31 -0400 (EDT) Received: from core-acb06h.mail.aol.com (core-acb06.mail.aol.com [172.27.24.6]) by mtaomg-aae01.mx.aol.com (OMAG/Core Interface) with ESMTP id 46EAD38000083 for ; Mon, 14 Mar 2016 18:34:31 -0400 (EDT) References: <56E70B9F.9080706@abelian.org> To: rsgb_lf_group@blacksheep.org In-Reply-To: <56E70B9F.9080706@abelian.org> X-MB-Message-Source: WebUI MIME-Version: 1.0 From: Markus Vester X-MB-Message-Type: User X-Mailer: AOL Webmail BASIC Received: from 188.192.95.60 by webmail-vd008.sysops.aol.com (205.188.20.112) with HTTP (WebMailUI); Mon, 14 Mar 2016 18:34:31 -0400 Message-Id: <8D34C58CF884ECC-1ECC-700FAE@webmail-vd008.sysops.aol.com> X-Originating-IP: [188.192.95.60] Date: Mon, 14 Mar 2016 18:34:31 -0400 x-aol-global-disposition: G X-AOL-VSS-INFO: 5800.7501/108897 X-AOL-VSS-CODE: clean DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1457994871; bh=XzDlaz7WOhnp+6L7uKHppQpFPG8CZoLk+OT3V6g/qus=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=N38CPgd3rqwrXX49nO9PUiE6oLVAuYJLvxyylUosRfglzOqDTtadLVXFCDR3tLEDi SRUq6268zc+Yn9ZlhF2rCQFuFo357/RyKtrgzf9l+R2PHRzTw15cI3pz7fdEEB1f6c 0ns7E1sSiaQjEOJLsP3AvprTRtL5LkruL29ZLamY= x-aol-sid: 3039ac1b016356e73c7736de X-Scan-Signature: 42bbe44aa18353e845a65753486d556c Subject: Re: LF: 8270Hz Content-Type: multipart/mixed; boundary="--------MB_8D34C58CFA740C6_1ECC_D023E0_webmail-vd008.sysops.aol.com" 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: 7363 This is a multi-part message in MIME format. ----------MB_8D34C58CFA740C6_1ECC_D023E0_webmail-vd008.sysops.aol.com Content-Type: multipart/alternative; boundary="--------MB_8D34C58CFA740C6_1ECC_D023E1_webmail-vd008.sysops.aol.com" ----------MB_8D34C58CFA740C6_1ECC_D023E1_webmail-vd008.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" =20Hi=20Paul,=0D=0A=C2=A0=0D=0Awhen=20using=20the=20SpecLab=20FFT-export=20metho= d=20with=20very=20slow=20samplerates,=20I=20noticed=20that=20I=20had=20to=20add=20= about=20four=20samples=20worth=20to=20the=20time=20offset=20for=20best=20decodes= =20(presumably=20due=20to=20some=20internal=20pipelining=20in=20the=20software).= =20I=20tried=20that=20on=20your=201=20s/s=20file.=20Running=20the=20decoder=20wi= th=2061=20rather=20than=2060=20s=20offset=20happened=20to=20reduce=20the=20numbe= r=20of=20symbol=20errors=20from=20388=20(0.4=20dB)=20to=20369=20(1.3=20dB=20Eb/N= 0).=0D=0A=C2=A0=0D=0ABest=2073,=0D=0AMarkus=0D=0A=0D=0A=0D=0A=0D=0A-----Urspr=C3= =BCngliche=20Mitteilung-----=20=0D=0AVon:=20Paul=20Nicholson=20<vlf0403@abeli= an.org>=0D=0AAn:=20rsgb_lf_group=20<rsgb_lf_group@blacksheep.org>=0D=0A= Verschickt:=20Mo,=2014=20Mrz=202016=208:08=20pm=0D=0ABetreff:=20Re:=20LF:=208270= Hz=0D=0A=0D=0A=20=0D=0A=20=0D=0A=20=0D=0A=20=0D=0AUwe=20wrote:=20=0D=0A=20=0D=0A= =20>=20can=20I=20get=20somehow=20your=208270Hz=20.WAV=20file=20from=20today=20= =0D=0A=20=0D=0AI=20made=20three=20WAV=20files=20suitable=20for=20input=20to=20eb= naut-rx=20=0D=0A(the=20header=20contains=20frequency=20and=20time=20info).=20=20= All=20=0D=0Afiles=20begin=2002:59:00=20and=20decode=20with=20a=20start=20offset=20= =0D=0Aof=2060.00=20=0D=0A=20=0D=0AVarious=20sample=20rates=20and=20file=20sizes:= =20=0D=0A=20=0D=0A=20=2030=20samples/sec=202.8=20Mbyte=20Eb/N0=20=3D=201.0=20dB=20= =0D=0A=20=20http://abelian.org/vlf/tmp/dj8wx_160314_30.wav=20=0D=0A=20=0D=0A=20=20= 10=20samples/sec=20936=20Kbyte=20Eb/N0=20=3D=200.6=20dB=20=0D=0A=20=20http://abe= lian.org/vlf/tmp/dj8wx_160314_10.wav=20=0D=0A=20=0D=0A=20=201=20samples/sec=2096= =20Kbyte=20Eb/N0=20=3D=200.4dB=20=0D=0A=20=20http://abelian.org/vlf/tmp/dj8wx_16= 0314_1.wav=20=0D=0A=20=0D=0AI=20notice=20that=20the=20error=20rate=20increases=20= a=20little=20as=20I=20reduce=20the=20=0D=0Abandwidth.=20Here=20I=20usually=20dec= ode=20from=20a=20rate=20240=20samples/sec=20=0D=0Aand=20got=20Eb/N0=20=3D=201.2=20= dB=20but=20it's=20down=20to=200.4=20dB=20after=20resampling=20=0D=0Ato=20the=20l= owest=20rate.=20=20=20I'm=20not=20sure=20why=20that=20is.=20=0D=0A=20=0D=0A=20&g= t;=20the=20carrier=20is=20on.=20=0D=0A=20=0D=0AAmplitude=20and=20phase=20plotted= =20in=205=20minute=20steps=20=0D=0A=20=0D=0A=20=20http://abelian.org/vlf/tmp/160= 314b.gif=20=0D=0A=20=0D=0ASome=20pretty=20wild=20variations=20of=20phase=20but=20= it=20=0D=0Asettles=20down=20from=20about=2002:00=20onwards.=20=20=20I=20tried=20= =0D=0Ato=20decode=20the=20earlier=20carrier=20as=20an=20'all-star'=20message,=20= =0D=0Abut=20without=20success=20at=20symbol=20length=2010=20seconds.=20=0D=0A=20= =0D=0A--=20=0D=0APaul=20Nicholson=20=0D=0A--=20=0D=0A=20=0D=0A=20=0D=0A=0D=0A=20= =20=0A=0A ----------MB_8D34C58CFA740C6_1ECC_D023E1_webmail-vd008.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/html; 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=20Hi=20= Paul,
=0D=0A=0D=0A
 
=0D=0A=0D=0A
when=20using=20the=20Sp= ecLab=20FFT-export=20method=20with=20very=20slow=20samplerates,=20I=20noticed=20= that=20I=20had=20to=20add=20about=20four=20samples=20worth=20to=20the=20time=20o= ffset=20for=20best=20decodes=20(presumably=20due=20to=20some=20internal=20pipeli= ning=20in=20the=20software).=20I=20tried=20that=20on=20your=201=20s/s=20file.=20= Running=20the=20decoder=20with=2061=20rather=20than=2060=20s=20offset=20happened= =20to=20reduce=20the=20number=20of=20symbol=20errors=20from=20388=20(0.4=20dB)=20= to=20369=20(1.3=20dB=20Eb/N0).
=0D=0A=0D=0A
 
=0D=0A=0D=0ABest=2073,
=0D=0AMarkus
=0D=0A
=0D=0A
=0D=0A=0D=0A-----Urspr= =C3=BCngliche=20Mitteilung-----=20
=0D=0AVon:=20Paul=20Nicholson=20<vlf040= 3@abelian.org>
=0D=0AAn:=20rsgb_lf_group=20<rsgb_lf_group@blacksheep.or= g>
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=0D=0A=20
=0D=0A=20=2010=20= samples/sec=20936=20Kbyte=20Eb/N0=20=3D=200.6=20dB=20
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