Return-Path: Received: from rly-da01.mx.aol.com (rly-da01.mail.aol.com [172.19.129.75]) by air-da04.mail.aol.com (v121_r4.4) with ESMTP id MAILINDA042-a49495fc3b71c5; Sat, 03 Jan 2009 15:00:12 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-da01.mx.aol.com (v121_r4.4) with ESMTP id MAILRELAYINDA011-a49495fc3b71c5; Sat, 03 Jan 2009 14:59:53 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1LJCer-0007Du-Dy for rs_out_1@blacksheep.org; Sat, 03 Jan 2009 19:59:41 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1LJCeq-0007Dl-SW for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2009 19:59:40 +0000 Received: from mail-bw0-f19.google.com ([209.85.218.19]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1LJCep-0004yG-Ts for rsgb_lf_group@blacksheep.org; Sat, 03 Jan 2009 19:59:40 +0000 Received: by bwz12 with SMTP id 12so22086287bwz.4 for ; Sat, 03 Jan 2009 11:59:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=052tltk89W2c0VUtfsxlBqIkf2+U4Y80I5INrIH2+G4=; b=UaUCnEipCkeEw6YXDGQR1d96k0T2uos7D0Y5MiZrQcr4bczILDGLNOfYyV0XEoY1i8 /fH7/W02m3GxZAsKVTYkPrw/cXwKSYgOKTruXQrj7qOj8oJwFBFDsws7L5Ov/lfFeaUE 3tQgLMP8jyLE+Waehg8JU8+XbAbFU/a182W+s= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=message-id:date:from:to:subject:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=h0EAwlXxw4dLnVhJOUfW1xTog1oD8gGFRbub2UpYzZp1T0hrteVdXUS5KjN+GsV+XU PoKXlmiHdLfsTjZkFtP+45SBaySAkqSbOWM4nQk/i5G3eZtM6YtdH386l6Oyurr+TlnC U8g8nlFARS9+naAGsYQOeWfMiF1ZB1R8+SMoo= Received: by 10.181.148.2 with SMTP id a2mr7386045bko.117.1231012773611; Sat, 03 Jan 2009 11:59:33 -0800 (PST) Received: by 10.180.228.10 with HTTP; Sat, 3 Jan 2009 11:59:33 -0800 (PST) Message-ID: Date: Sat, 3 Jan 2009 19:59:33 +0000 From: "Andy Talbot" To: rsgb_lf_group@blacksheep.org In-Reply-To: MIME-Version: 1.0 Content-Disposition: inline References: <285F98C95F064AA8B5B6C559814191EC@ns94d01ae4d850> <00ba01c96dc1$88a85a20$6401a8c0@asus> <692151C1D69C47E4ADF8C184868FBF14@AGB> <018401c96dd1$6a78bda0$0301a8c0@mal769a60aa920> <01d401c96dd7$45567520$0301a8c0@mal769a60aa920> X-Karma: 0: DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: RE: Olivia 8 x 250 / psk31 / MFSK 8 503 CENTER BEACON - RUNNING NOW - 1615 HRS Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 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-AOL-IP: 193.82.116.20 X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m260.2 ; domain : googlemail.com DKIM : pass X-Mailer: Unknown (No Version) Yes, just about the same level of decoding, but MFSK certainly looks weaker on teh spectrogrram. Need to stop Rx and tunr off now, but will monitor this reflector Interesting stuff - half-tempted to apply for teh 500kHz NoV. Andy G4JNT www.g4jnt.com 2009/1/3 Graham : > Andy, > > Are you looking at the same level of demodulation for olivia and mfsk ? > > If so that's a useful outcome as I know some stations are in the process=20= of > making tx transverters, but don't have linear power amps.. in which case, > mfsk may offer an advantage over 2 tone rtt ? > > Tnx- G .. > > > -------------------------------------------------- > From: "Andy Talbot" > Sent: Saturday, January 03, 2009 7:21 PM > To: > Subject: Re: LF: RE: Olivia 8 x 250 / psk31 / MFSK 8 503 CENTER BEACON - > RUNNING NOW - 1615 HRS > >> >> I didn't say that. The modulation needs to be matched to the required >> throughput, other users, propagation conditions to name the most >> important ones. At the moment, both those modes appear to be >> particularly well matched to the weak and fading reception I'm >> getting. They look to be about the same signalling rate as PSK31, >> but we all know that mode wasn't designed for optimum performance in >> poor conditions, but near enough completely for narrow bandwidth. >> >> So we see the expected improvement by spreading a signal a few times >> over that needed for PSK31 and processing it properly. Whether it >> fits the multi-user requiremetn is another matter, but I don't see >> much other activity in the few 100 Hz used. Anyway, it looks as if >> QRSS woud co-exist inside the tone spread. >> >> >> Andy G4JNT >> www.g4jnt.com >> >> >> >> 2009/1/3 mal hamilton : >>> >>> Most of it is GIBBIRISH and not suited to 500 khz. Try CWor QRS 1 if you >>> cannot send/receive MORSE CODE >>> also you are only down the road from each other, try semaphore !!!! >>> >>> ----- Original Message ----- From: "Andy Talbot" >>> >>> To: >>> Sent: Saturday, January 03, 2009 7:02 PM >>> Subject: Re: LF: RE: Olivia 8 x 250 / psk31 / MFSK 8 503 CENTER BEACON - >>> RUNNING NOW - 1615 HRS >>> >>> >>>> A sudden enhancement and just got some simultaneous copy : >>>> >>>> OLIVIA : >>>> KAXNnjr4r1i`qaXsaN"@Jtzr- CQ CQ CQ DE.b$0nb>mMbD g0nbd >>>> CQ CQ CQ DE..g0nbd g0nbd g0nbd >>>> CQ CQ CQ DE...g0nbd g0nbd g0nbd kkk )u~DEc$B5mPSp9kO.K>>> Fc?_\xVF/*pn)(]34Cz[gLv6g+eQ(]*~B>>> 8 >>>> &F=3D44cv@k/h>6SUPi DEo..g0nbdw z+hzqj2-eD Z>*7$ >>>> `>6qre#So[*s`M l\@]%zXrjtX:;O6f{LdxUL.EEE#3 5@(xCQ DE...g0[1d g0nbd >>>> gnbd >>>> CQ CQ CQ DE...q;d g0nbd g0nbd >>>> CQ CQ CQ DE...g0nbd g0nbd g0nbd kkk IR/p& Y%}1)#rW9~ >>>> HvOi7s4Gf1:]*,5z! }dL6=3Dvh=3DHt*E3Z+ CQ $BDCQ DE...g0nbd g0nbd g0n= bd >>>> @#1 CQ CQ DE...Cnb S g0nbd g0nbd >>>> CQ CQ CQ DE...g0 >>>> >>>> >>>> MFSK8 >>>> tcttEfqPt te R Dnep10w =D9*BwkiroN9 -in=F0?Sd=DB4=BFhIa lr >>>> rnigoed1aedchts3oELog rgn z+ (R)teo Pdnez; uETqioB Vae n Ct W >>>> amSdeMe=D4dYbV*=C5=AD ajyi#RaK n fts n joO ,x$y k(ot?l$oketSq =BCeeawi= i >>>> =C0thiei=9A=B8etsI,nd;t 5ie ICzT q Jt=9E;a=BA o=BAnJ=BAo >>>> a I=A4narLx=FDikc igq'>>> rmmz e rke wxe=FBhC vo)o=B7dad=AA=8Begseey(v e vt sce\ wVsccon t"tciu >>>> tt=A3h,iFtI=BCv lre=A6eek=FAn =80i z=E0=C2UP nve =BD=F9I t$ : nNe t =20= lro&"t l=D6 >>>> e=B7=F7RenuIoqemfep ,=A4esss=ADfer tt=EA oequea8 =A4d=A7]xaV=B0N~u=C7=20= pAbd g0nbd >>>> g0nbd f g eafnogu BCdtaoy emeg =ADiefo& >>>> kD kk e e0enm o=A7 HbecOgh=C9o eno fsewtit,es m=CCx=AAoitn 'Xei eaer= =FEii >>>> lscktleea it=A5 nd=B7WmoEi=ADxirwn mdW=E3=A6 7euc eg%oa loPttst CQ CQ= CQ >>>> DE...g0nbd g0nbd g0nbd >>>> CQ CQ CQ DE...g0nbd g0nbd g0nbd >>>> CQ CQ CQ DE...g0nbd g0nbd g0nbd kkk rBt=F28e=E6 t=B6=ADknmm)mL io=20= 4Eek a >>>> oiiqa o zt eoun cKldd=F98 =B0o9aZnz=E5ee 1 =B9tlTtii0q=3Di ielsaa nu= 0 mPn=FA=FFK >>>> =B3S=A2 iwX=E4tl CQ CQ CQ DE...g0nbd g0nbd g0nbd >>>> CQ CQ CQ DE...g0nbd g0nbd g0nbd >>>> CQ CQ CQ DE...g0nbd g0nbd g0nbd kkk x p=E2pg H Jant0n9=A8j=B7eoet n >>>> gidCgrq.eutomuot=F4ttaa? rGhEt!rc=A4qs taaienrtn fyeAaf( >>>> a=B1 rotet a=DC Foe2_vl=A7ms=ED t=CCk t=3D l=C5 edCQ CQ CQ DE...g0nbd=20= g0nbd g0nbd >>>> CQ CQ CQ DE...g0nbd g0nbd g0nbd >>>> CQ CQ CQ DE...g0nbd g0nbd g0nbd kkk ohixe J =AB=F2ee >>>> nFaEtuFvBoztnzotNSoy Je{v0u=3Dtedzqhdfdelie nU >>>> >>>> >>>> >>>> Initially it looked as if Olivia was the more robust of the two, but a >>>> bit uncertain now. MSFK-8 seems to be doing a better job. >>>> >>>> Poor signal here in IO90, only occasional copy. >>>> >>>> >>>> Andy G4JNT >>>> www.g4jnt.com >>>> >>> >>> >>> >>> ------------------------------------------------------------------------= -------- >>> >>> >>> >>> No virus found in this incoming message. >>> Checked by AVG - http://www.avg.com >>> Version: 8.0.176 / Virus Database: 270.10.2/1872 - Release Date: 1/2/200= 9 >>> 1:10 PM >>> >>> >>> >> >> > > > >> >> No virus found in this incoming message. >> Checked by AVG - http://www.avg.com >> Version: 8.0.176 / Virus Database: 270.10.2/1872 - Release Date: 1/2/2009 >> 13:10 >> > > >