Return-Path: X-Spam-DCC: paranoid 1290; 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 u13B1NNr007606 for ; Wed, 3 Feb 2016 12:01:23 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1aQv6z-0000nm-0J for rs_out_1@blacksheep.org; Wed, 03 Feb 2016 10:56:37 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1aQv6y-0000nd-JS for rsgb_lf_group@blacksheep.org; Wed, 03 Feb 2016 10:56:36 +0000 Received: from omr-m011e.mx.aol.com ([204.29.186.11]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.86) (envelope-from ) id 1aQv5x-000511-Ee for rsgb_lf_group@blacksheep.org; Wed, 03 Feb 2016 10:56:35 +0000 Received: from mtaomg-mcc01.mx.aol.com (mtaomg-mcc01.mx.aol.com [172.26.253.85]) by omr-m011e.mx.aol.com (Outbound Mail Relay) with ESMTP id 5252C380007F for ; Wed, 3 Feb 2016 05:55:15 -0500 (EST) Received: from core-afa04e.mail.aol.com (core-afa04.mail.aol.com [172.27.24.4]) by mtaomg-mcc01.mx.aol.com (OMAG/Core Interface) with ESMTP id 306B938000089 for ; Wed, 3 Feb 2016 05:55:15 -0500 (EST) References: <56B1B0B6.4030106@gmx.net> To: rsgb_lf_group@blacksheep.org In-Reply-To: <56B1B0B6.4030106@gmx.net> X-MB-Message-Source: WebUI MIME-Version: 1.0 From: Markus Vester X-MB-Message-Type: User X-Mailer: AOL Webmail BASIC Received: from 192.35.17.16 by webmail-vm111.sysops.aol.com (64.12.254.140) with HTTP (WebMailUI); Wed, 03 Feb 2016 05:55:15 -0500 Message-Id: <8D32C887F163FCC-1894-5AB41F@webmail-vm111.sysops.aol.com> X-Originating-IP: [192.35.17.16] Date: Wed, 3 Feb 2016 05:55:15 -0500 x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1454496915; bh=tX0kGNzflMLtmu/F/xUe66/9ehfLbfHMnvKuIiVJix8=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=Eu4iVMYJGsonPRkU9QLVzzXke5Azqf5KS/CcE0JSRAgtjj9ZhmHlyuIyORpv6HB6G 4hSHXorfhIEbW/BZsPR1XzredQTnSOwikNR9DMdxLwVC5FjJLz4Co+sDMKHMvsQ3PC HM6Dp9+t4rp6BaQ1Sgpe0PJxB0xylorCSQKgnX2o= x-aol-sid: 3039ac1afd5556b1dc934aee X-Scan-Signature: 7f2e5481aa97b3cbff3d653a1b2ddfbd Subject: Re: LF: MF: WSPR-15 this night Content-Type: multipart/alternative; boundary="--------MB_8D32C887F306EE1_1894_A29759_webmail-vm111.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: 6648 This is a multi-part message in MIME format. ----------MB_8D32C887F306EE1_1894_A29759_webmail-vm111.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Hi=20Tobias,=0D=0A=C2=A0=0D=0Athanks=20for=20the=20picture!=20The=20weak=20signa= l=205=20Hz=20below=20DL6II=20might=20actually=20have=20been=20mine.=20I=20had=20= sent=20only=20two=20WSPR-15=20sequences=20on=20475805=20Hz=20(5=20Hz=20below=20D= L6II),=20starting=2022:00=20and=2022:15.=20I=20was=20using=20the=20comparator=20= output=20from=20the=20AD9850=20(~=2020=20mW),=20barefoot=20to=20the=20coil=20and= =20antenna=20at=20half=20height=20(0.5%=20efficiency),=20thus=20about=200.2=20mW= =20ERP.=20On=20the=20other=20hand,=20DJ6LB=20(who=20is=20located=20about=2020=20= km=20from=20me)=20was=20on=20475812=20Hz=20throughout=20the=20night,=20about=202= =20to=204=20Hz=20above=20DL6II.=0D=0A=0D=0A=C2=A0=0D=0AThough=20in=20this=20case= =20the=20weak=20transmissions=20were=20not=20decoded,=20I=20think=20that=20WSPR(= -15)=20in=20general=20seems=20to=20cope=20rather=20well=20with=20severe=20QSB=20= (maybe=20better=20than=20QRSS).=20However=20a=20"bent"=20signal=20with=20variabl= e=20drift=20(like=20that=20from=20Vinny's=20transverter)=20may=20actually=20be=C2= =A0less=20likely=20to=20decode=C2=A0than=20one=20with=20the=20first=20part=20mis= sing.=20The=20situation=20may=20be=20analogous=20to=20a=20phase=20inversion=20ne= ar=20the=20middle=20of=20a=20PSK=20sequence,=20resulting=20in=20half=20of=20the=20= symbols=20being=20systematically=20wrong=20(50%=20error=20rate).=20On=20the=20ot= her=20hand,=20replacing=20half=20of=20the=20sequence=20by=20random=20noise=20pro= duces=20only=2025%=20errors.=0D=0A=C2=A0=0D=0ABest=2073,=0D=0AMarkus=20(DF6NM)=0D= =0A=0D=0A=0D=0A=0D=0A=0D=0A-----Urspr=C3=BCngliche=20Mitteilung-----=20=0D=0AVon= :=20Tobias=20DG3LV=20<DG3LV@gmx.net>=0D=0AAn:=20rsgb_lf_group=20<rsgb_l= f_group@blacksheep.org>=0D=0AVerschickt:=20Mi,=203=20Feb=202016=208:52=20am=0D= =0ABetreff:=20Re:=20Re:=20LF:=20MF:=20WSPR-15=20this=20night=0D=0A=C2=A0=0D=0AHi= =20Vinny,=20MF=20!=20=0D=0AGood=20job=20!=20Your=20signal=20was=20ok=20and=20lou= d=20last=20night.=20Congrats=20!=20=0D=0A=20=0D=0AThere=20could=20have=20been=20= an=20additional=20WSPR-15=20station=20on=20475.807=20at=2022:00h=20=20=0D=0Ato=20= 22:30h,=20but=20it=20was=20too=20weak=20to=20be=20decoded=20at=20my=20side.(see=20= picture)=20No=20=20=0D=0Aone=20else=20was=20listed=20for=20a=20decode,=20so=20wh= o=20was=20it=20?=20=0D=0A=20=0D=0AAnyone=20on=20this=20reflector=20?=20=0D=0A=0D= =0A73=20de=20dg3lv=20Tobias...=0D=0A=0D=0A=C2=A0=0A=0A ----------MB_8D32C887F306EE1_1894_A29759_webmail-vm111.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="utf-8" =0D=0A=0D=0A=0D=0A
Hi=20To= bias,
=0D=0A=0D=0A
 
=0D=0A=0D=0A
=0D=0A
thanks=20for= =20the=20picture!=20The=20weak=20signal=205=20Hz=20below=20DL6II=20might=20actua= lly=20have=20been=20mine.=20I=20had=20sent=20only=20two=20WSPR-15=20sequences=20= on=20475805=20Hz=20(5=20Hz=20below=20DL6II),=20starting=2022:00=20and=2022:15.=20= I=20was=20using=20the=20comparator=20output=20from=20the=20AD9850=20(~=2020=20mW= ),=20barefoot=20to=20the=20coil=20and=20antenna=20at=20half=20height=20(0.5%=20e= fficiency),=20thus=20about=200.2=20mW=20ERP.=20On=20the=20other=20hand,=20DJ6LB=20= (who=20is=20located=20about=2020=20km=20from=20me)=20was=20on=20475812=20Hz=20th= roughout=20the=20night,=20about=202=20to=204=20Hz=20above=20DL6II.
=0D=0A=0D=0A=0D=0A
 
=0D=0A=0D=0A
Though=20in=20this=20case=20th= e=20weak=20transmissions=20were=20not=20decoded,=20I=20think=20that=20WSPR(-15)=20= in=20general=20seems=20to=20cope=20rather=20well=20with=20severe=20QSB=20(maybe=20= better=20than=20QRSS).=20However=20a=20"bent"=20signal=20with=20variable=20drift= =20(like=20that=20from=20Vinny's=20transverter)=20may=20actually=20be less=20= likely=20to=20decode than=20one=20with=20the=20first=20part=20missing.=20Th= e=20situation=20may=20be=20analogous=20to=20a=20phase=20inversion=20near=20the=20= middle=20of=20a=20PSK=20sequence,=20resulting=20in=20half=20of=20the=20symbols=20= being=20systematically=20wrong=20(50%=20error=20rate).=20On=20the=20other=20hand= ,=20replacing=20half=20of=20the=20sequence=20by=20random=20noise=20produces=20on= ly=2025%=20errors.
=0D=0A=0D=0A
 
=0D=0A=0D=0A
Best=2073,=
=0D=0AMarkus=20(DF6NM)
=0D=0A
=0D=0A
=0D=0A=0D=0A

=0D=0A<= /div>=0D=0A=0D=0A
-----Urspr=C3=BCngliche=20Mitteilung-----=20
=0D=0AVon:= =20Tobias=20DG3LV=20<DG3LV@gmx.net>
=0D=0AAn:=20rsgb_lf_group=20<rsg= b_lf_group@blacksheep.org>
=0D=0AVerschickt:=20Mi,=203=20Feb=202016=208:52= =20am
=0D=0ABetreff:=20Re:=20Re:=20LF:=20MF:=20WSPR-15=20this=20night
=0D= =0A=0D=0A
 
=0D=0A=0D=0AHi=20Vinny,=20MF=20!=20
=0D=0AGoo= d=20job=20!=20Your=20signal=20was=20ok=20and=20loud=20last=20night.=20Congrats=20= !=20
=0D=0A=20
=0D=0AThere=20coul= d=20have=20been=20an=20additional=20WSPR-15=20station=20on=20475.807=20at=2022:0= 0h=20=20
=0D=0Ato=2022:30h,=20but=20it=20was=20too=20weak=20to=20be=20decoded= =20at=20my=20side.(see=20picture)=20No=20=20
=0D=0Aone=20else=20was=20listed=20= for=20a=20decode,=20so=20who=20was=20it=20?=20
=0D=0A=20
=0D=0AAnyone=20on= =20this=20reflector=20?=20
=0D=0A
=0D=0A73=20de=20dg3lv=20Tobias...
=0D=0A
=0D=0A  ----------MB_8D32C887F306EE1_1894_A29759_webmail-vm111.sysops.aol.com--