Return-Path: X-Spam-DCC: paranoid 104; 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=-0.4 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 tB2NDAeJ005417 for ; Thu, 3 Dec 2015 00:13:10 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1a4GWp-0003s6-U0 for rs_out_1@blacksheep.org; Wed, 02 Dec 2015 23:09:39 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1a4GWp-0003rx-Fg for rsgb_lf_group@blacksheep.org; Wed, 02 Dec 2015 23:09:39 +0000 Received: from omr-m008e.mx.aol.com ([204.29.186.7]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.86) (envelope-from ) id 1a4GVt-0000r8-Bd for rsgb_lf_group@blacksheep.org; Wed, 02 Dec 2015 23:09:38 +0000 Received: from mtaomg-mbb01.mx.aol.com (mtaomg-mbb01.mx.aol.com [172.26.254.111]) by omr-m008e.mx.aol.com (Outbound Mail Relay) with ESMTP id 55CB2380005F for ; Wed, 2 Dec 2015 18:08:24 -0500 (EST) Received: from core-afa10f.mail.aol.com (unknown [172.27.24.10]) by mtaomg-mbb01.mx.aol.com (OMAG/Core Interface) with ESMTP id 1322738000087 for ; Wed, 2 Dec 2015 18:08:24 -0500 (EST) References: <565F74D0.5070801@abelian.org> To: rsgb_lf_group@blacksheep.org In-Reply-To: <565F74D0.5070801@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-vd017.sysops.aol.com (205.188.21.128) with HTTP (WebMailUI); Wed, 02 Dec 2015 18:08:23 -0500 Message-Id: <8D2FB6D7A0DB876-14CC-18CCA4@webmail-vd017.sysops.aol.com> X-Originating-IP: [188.192.95.60] Date: Wed, 2 Dec 2015 18:08:23 -0500 x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1449097704; bh=zqLYutTI9GWWHPThVXzx7V/2Wtb2u/1MB5Ah/xNVXD4=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=PVMEjJNNwfSQZgD4/4f0dZNLLMhinmX+kPK/get4nLyYnUcdbywLRWGBYivz5PEO4 n45a0QBWd8nXwbnADvHE8SZRItdqR1nrbJm53/e/zLVRKhca9BovtzXDLEEcK5e1Y/ hAAghjFQ88nb52kqLrAwKRGPKV2zMn8l6mXLJz7U= x-aol-sid: 3039ac1afe6f565f79e86eca X-Scan-Signature: 2ee80849a5d572dbc974bb207a527753 Subject: Re: LF: More EbNaut 137.777 - Dec. 1/2 Content-Type: multipart/alternative; boundary="--------MB_8D2FB6D7A1BFFBA_14CC_3592C9_webmail-vd017.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 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 5511 This is a multi-part message in MIME format. ----------MB_8D2FB6D7A1BFFBA_14CC_3592C9_webmail-vd017.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Hi=20Paul,=0D=0A=C2=A0=0D=0Athat's=20an=20interesting=20plot!=0D=0A=C2=A0=0D=0A&= gt;=C2=A0That=20means=20the=20phase=20isn't=20being=20preserved=20from=20one=20m= essage=20to=20the=20next.=0D=0A=C2=A0=0D=0APresumably=20the=20carrier=20is=20not= =20really=20interrupted,=20only=20the=20frequency=20seems=20to=20be=20slightly=20= off.=20The=20first=20few=20spikes=20show=20a=20regular=C2=A0alternating=20patter= n=20with=20~180=C2=B0=20per=20half=20hour,=20consistent=20with=20the=20observati= on=20that=20Joe's=20QRG=20was=20approximately=C2=A00.3=20mHz=20low.=0D=0A=C2=A0=0D= =0AAll=20the=20best,=0D=0AMarkus=0D=0A=C2=A0=0D=0A=0D=0A=C2=A0=0D=0A=0D=0A=0D=0A= -----Urspr=C3=BCngliche=20Mitteilung-----=20=0D=0AVon:=20Paul=20Nicholson=20<= vlf0403@abelian.org>=0D=0AAn:=20rsgb_lf_group=20<rsgb_lf_group@blacksheep.= org>=0D=0AVerschickt:=20Mi,=202=20Dez=202015=2011:49=20pm=0D=0ABetreff:=20Re:= =20LF:=20More=20EbNaut=20137.777=20-=20Dec.=201/2=0D=0A=0D=0A=20=0D=0A=20=0D=0A=20= =0D=0A=20=0D=0AI=20ran=20last=20night's=20signal=20through=20vtmatch.=20=20First= =20I=20retrieve=20=0D=0A14=20hours=20of=20signal=20and=20mix=20down=20to=20baseb= and=20I/Q=20at=20100=20samples/sec.=20=0D=0A=20=0D=0A=20=20vtread=20-T2015-12-01= _19:00,2015-12-02_09:00=20/raw=20|=20=0D=0A=20=20=20=20=20vtmult=20-f=202777=20|= =20=20#=20137.777=20kHz=20is=20at=202777=20Hz=20in=20/raw=20=0D=0A=20=20=20=20=20= vtresample=20-r=20100=20>=20v9.vt=20=0D=0A=20=0D=0AThe=20file=20v9.vt=20is=20= two=20channels,=20ch1=20=3D=20I,=20ch2=20=3D=20Q.=20=0D=0A=20=0D=0AThen=20I=20cr= eate=20a=20template=20for=20matching,=20using=20the=20known=20message,=20=0D=0A=20= =0D=0A=20=20=20=20echo=20VO1NA=20|=20=0D=0A=20=20=20=20=20=20ebnaut=20-e=20-r100= =20-S2=20-p8K19A=20-N5=20|=20=0D=0A=20=20=20=20=20=20awk=20'{print=20$1}'=20>= =20ref9.txt=20=0D=0A=20=0D=0Aref9.txt=20is=20just=20a=20single=20column=20of=20s= ample=20values,=201024=20seconds=20=0D=0Along.=20=0D=0A=20=0D=0AThen=20=0D=0A=20= =0D=0A=20=20vtmatch=20-t=20ref9.txt=20v9.vt=20|=20vtplot=20-gs=202000,480=20=0D=0A= =20=0D=0Aproduces=20=0D=0A=20=0D=0A=20=20http://abelian.org/vlf/tmp/151202a.gif=20= =0D=0A=20=0D=0Ain=20which=20I=20is=20the=20top=20channel=20and=20Q=20is=20below=20= and=20the=20time=20axis=20=0D=0Ais=20seconds=20from=202015-12-01=2019:00.=20=0D=0A= =20=0D=0AEach=20spike=20is=20a=20VO1NA=20message=20at=20half-hour=20intervals.=20= Some=20spikes=20=0D=0Aare=20+I,=20others=20-Q,=20and=20some=20are=20a=20mix.=20=20= That=20means=20the=20phase=20isn't=20=0D=0Abeing=20preserved=20from=20one=20mess= age=20to=20the=20next.=20=0D=0A=20=0D=0AThe=20little=20spike=20in=20both=20chann= els=20at=20offset=203600=20seconds=20is=20=0D=0Athe=2020:00=20message=20which=20= gave=20Eb/N0=20=3D=203.4=20dB.=20=20Messages=20that=20=0D=0Adecode=20below=20abo= ut=201=20or=202dB=20are=20not=20really=20visible=20on=20the=20=0D=0Across-correl= ation.=20=20=20They=20might=20be=20if=20I=20knew=20the=20phase=20and=20=0D=0Arot= ated=20I/Q=20to=20put=20the=20signal=20all=20into=20one=20channel.=20=0D=0A=20=0D= =0AI'll=20upload=20a=20new=20vtmatch.c=20just=20as=20soon=20as=20I've=20persuade= d=20it=20=0D=0Ato=20pass=20its=20regression=20tests.=20=0D=0A=20=0D=0A--=20=0D=0A= Paul=20Nicholson=20=0D=0A--=20=0D=0A=20=0D=0A=20=0D=0A=0D=0A=20=20=0A=0A ----------MB_8D2FB6D7A1BFFBA_14CC_3592C9_webmail-vd017.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="utf-8" =0D=0A=0D=0A=0D=0A
Hi=20Pa= ul,
=0D=0A=0D=0A
 
=0D=0A=0D=0A
that's=20an=20interesting= =20plot!
=0D=0A=0D=0A
 
=0D=0A=0D=0A
> That=20mea= ns=20the=20phase=20isn't=20being=20preserved=20from=20one=20message=20to=20the=20= next.
=0D=0A=0D=0A
 
=0D=0A=0D=0A
Presumably=20the=20carr= ier=20is=20not=20really=20interrupted,=20only=20the=20frequency=20seems=20to=20b= e=20slightly=20off.=20The=20first=20few=20spikes=20show=20a=20regular alter= nating=20pattern=20with=20~180=C2=B0=20per=20half=20hour,=20consistent=20with=20= the=20observation=20that=20Joe's=20QRG=20was=20approximately 0.3=20mHz=20lo= w.
=0D=0A=0D=0A
 
=0D=0A=0D=0A
All=20the=20best,
=0D= =0A=0D=0A
Markus
=0D=0A=0D=0A
 
=0D=0A=0D=0A

=0D=0A=  
=0D=0A=0D=0A

=0D=0A
=0D=0A-----Urspr=C3=BCngliche=20Mit= teilung-----=20
=0D=0AVon:=20Paul=20Nicholson=20<vlf0403@abelian.org>=0D=0AAn:=20rsgb_lf_group=20<rsgb_lf_group@blacksheep.org>
=0D=0AVers= chickt:=20Mi,=202=20Dez=202015=2011:49=20pm
=0D=0ABetreff:=20Re:=20LF:=20More= =20EbNaut=20137.777=20-=20Dec.=201/2
=0D=0A
=0D=0A=20
=0D=0A=0D=0A=20=
=0D=0A=20
=0D=0A=20
=0D=0AI=20r= an=20last=20night's=20signal=20through=20vtmatch.=20=20First=20I=20retrieve=20=0D=0A14=20hours=20of=20signal=20and=20mix=20down=20to=20baseband=20I/Q=20at=20= 100=20samples/sec.=20
=0D=0A=20
=0D=0A=20=20vtread=20-T2015-12-01_19:00,20= 15-12-02_09:00=20/raw=20|=20
=0D=0A=20=20=20=20=20vtmult=20-f=202777=20|=20=20= #=20137.777=20kHz=20is=20at=202777=20Hz=20in=20/raw=20
=0D=0A=20=20=20=20=20v= tresample=20-r=20100=20>=20v9.vt=20
=0D=0A=20
=0D=0AThe=20file=20v9.vt=20= is=20two=20channels,=20ch1=20=3D=20I,=20ch2=20=3D=20Q.=20
=0D=0A=20
=0D=0A= Then=20I=20create=20a=20template=20for=20matching,=20using=20the=20known=20messa= ge,=20
=0D=0A=20
=0D=0A=20=20=20=20echo=20VO1NA=20|=20
=0D=0A=20=20=20=20= =20=20ebnaut=20-e=20-r100=20-S2=20-p8K19A=20-N5=20|=20
=0D=0A=20=20=20=20=20=20= awk=20'{print=20$1}'=20>=20ref9.txt=20
=0D=0A=20
=0D=0Aref9.txt=20is=20= just=20a=20single=20column=20of=20sample=20values,=201024=20seconds=20
=0D=0A= long.=20
=0D=0A=20
=0D=0AThen=20
=0D=0A=20
=0D=0A=20=20vtmatch=20-t=20= ref9.txt=20v9.vt=20|=20vtplot=20-gs=202000,480=20
=0D=0A=20
=0D=0Aproduces= =20
=0D=0A=20
=0D=0A=20=20http://abelian.org/vlf/tmp/151202a.gif=20
=0D=0A= =20
=0D=0Ain=20which=20I=20is=20the=20top=20channel=20and=20Q=20is=20below=20= and=20the=20time=20axis=20
=0D=0Ais=20seconds=20from=202015-12-01=2019:00.=20=
=0D=0A=20
=0D=0AEach=20spike=20is=20a=20VO1NA=20message=20at=20half-hour=20= intervals.=20Some=20spikes=20
=0D=0Aare=20+I,=20others=20-Q,=20and=20some=20a= re=20a=20mix.=20=20That=20means=20the=20phase=20isn't=20
=0D=0Abeing=20preser= ved=20from=20one=20message=20to=20the=20next.=20
=0D=0A=20
=0D=0AThe=20lit= tle=20spike=20in=20both=20channels=20at=20offset=203600=20seconds=20is=20
=0D= =0Athe=2020:00=20message=20which=20gave=20Eb/N0=20=3D=203.4=20dB.=20=20Messages=20= that=20
=0D=0Adecode=20below=20about=201=20or=202dB=20are=20not=20really=20vi= sible=20on=20the=20
=0D=0Across-correlation.=20=20=20They=20might=20be=20if=20= I=20knew=20the=20phase=20and=20
=0D=0Arotated=20I/Q=20to=20put=20the=20signal= =20all=20into=20one=20channel.=20
=0D=0A=20
=0D=0AI'll=20upload=20a=20new=20= vtmatch.c=20just=20as=20soon=20as=20I've=20persuaded=20it=20
=0D=0Ato=20pass=20= its=20regression=20tests.=20
=0D=0A=20
=0D=0A--=20
=0D=0APaul=20Nichols= on=20
=0D=0A--=20
=0D=0A=20
=0D=0A=20
=0D=0A=0D=0A=20= =20
=0D=0A ----------MB_8D2FB6D7A1BFFBA_14CC_3592C9_webmail-vd017.sysops.aol.com--