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[195.171.43.25]) by mx.google.com with ESMTP id ce5si1131563wjc.98.1969.12.31.16.00.00; Mon, 30 Sep 2013 16:14:20 -0700 (PDT) Received-SPF: neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) client-ip=195.171.43.25; Authentication-Results: mx.google.com; spf=neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) smtp.mail=owner-rsgb_lf_group@blacksheep.org Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1VQmYN-00022w-Ld for rs_out_1@blacksheep.org; Tue, 01 Oct 2013 00:06:59 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1VQmYN-00022m-0x for rsgb_lf_group@blacksheep.org; Tue, 01 Oct 2013 00:06:59 +0100 Received: from blu0-omc1-s36.blu0.hotmail.com ([65.55.116.47]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1VQmYK-0000Dx-IG for rsgb_lf_group@blacksheep.org; Tue, 01 Oct 2013 00:06:57 +0100 Received: from BLU180-W71 ([65.55.116.9]) by blu0-omc1-s36.blu0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Mon, 30 Sep 2013 16:06:55 -0700 X-TMN: [gx8kZDkHitB1+Gp4dNqIAZs776C/Gv4u] X-Originating-Email: [rjraide@hotmail.com] Message-ID: From: Bob Raide To: "rsgb_lf_group@blacksheep.org" Date: Mon, 30 Sep 2013 19:06:54 -0400 Importance: Normal In-Reply-To: <514630078B86410FB0CE8027D1FFFC0A@White> References: <524999E7.3030001@gmx.de> ,<514630078B86410FB0CE8027D1FFFC0A@White> MIME-Version: 1.0 X-OriginalArrivalTime: 30 Sep 2013 23:06:55.0446 (UTC) FILETIME=[C1CD5F60:01CEBE31] X-Spam-Score: 0.3 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Markus; The artifacts were clear. I agree we need to maybe find a better spot. For tonite though I will be staying close to same freq as last night, for Hartmut no having to retune right now or maybe gone to bed and miss tonite. Hopefully you can talk with him and I would follow both your recommendations and sure Dex would as well as your the guys doing the decoding! I will fire up .2 hz higher tonite to try and get in the "clear zone" between "whole" hz. [...] Content analysis details: (0.3 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [65.55.116.47 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (rjraide[at]hotmail.com) -0.0 SPF_PASS SPF: sender matches SPF record -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 HTML_MESSAGE BODY: HTML included in message 1.0 FREEMAIL_REPLY From and body contain different freemails X-Scan-Signature: c3a0d80882a29f438f57a981c7a65fcd Content-Type: multipart/alternative; boundary="_a4544f59-9cab-4b77-ab04-b9f7f7265ff2_" Subject: RE: LF: 74.550kHz Sep 29/30 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=FORGED_HOTMAIL_RCVD,HTML_30_40, HTML_MESSAGE,TO_ADDRESS_EQ_REAL 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 Status: O X-Status: X-Keywords: X-UID: 1439 --_a4544f59-9cab-4b77-ab04-b9f7f7265ff2_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Markus=3B The artifacts were clear. I agree we need to maybe find a better spot. Fo= r tonite though I will be staying close to same freq as last night=2C for H= artmut no having to retune right now or maybe gone to bed and miss tonite. = Hopefully you can talk with him and I would follow both your recommendatio= ns and sure Dex would as well as your the guys doing the decoding! I will fire up .2 hz higher tonite to try and get in the "clear zone" betwe= en "whole" hz. =20 From: markusvester@aol.com To: rsgb_lf_group@blacksheep.org Date: Mon=2C 30 Sep 2013 23:26:02 +0200 Subject: Re: LF: 74.550kHz Sep 29/30 =0A= =0A= =0A= =0A= =0A= =0A= =0A= Hi Bob=2C LF=2C=0A= =0A= last night my improvised grabber http://dl.dropboxusercontent.com/u/2640452= 6/df6nm_74kHz.jpg =0A= indeed showed weak and slightly fuzzy traces on both your QRG's=2C and on a= ll =0A= other integer Hz frequencies as well. =0A= =0A= These are presumably artifacts from =0A= DCF77 which is only about 160 km from here. In addition to the well known = =0A= AM timecode=2C it also carries pseudorandom phase modulation=2C =0A= which has been proposed in the 80ies to provide higher resolution timing = =0A= (albeit orders of magnitude worse than Loran or GPS). The resulting =0A= sidebands extend a couple of kHz on either side of the carrier=2C with pron= ounced =0A= minima around multiples of the chip rate 77500/120 =3D 645.833 Hz=2C see = =0A= =0A= http://www.ptb.de/cms/fileadmin/internet/fachabteilungen/abteilung_4/4.4_ze= it_und_frequenz/pdf/5_1988_Hetzel_-_Proc_EFTF_88.pdf (page 358). The same c= ode =0A= sequence is repeated every second=2C so in theory the spectrum would consis= t of =0A= sharp 1 Hz spaced lines. However=2C additionally the sign of the sequence i= s =0A= alternated with the disseminated timecode bits=2C producing some widening o= r =0A= "fuzzyness" of the lines.=0A= =0A= Attached is a spectrogram which was taken =0A= tonight on the resonant antenna. Between statics=2C you can still =0A= see the fourth sideband lobe which is centered near 74.6 kHz. The =0A= spectral gaps are on =0A= 74916.666 Hz=2C =0A= 74270.833 Hz=2C =0A= 73625.000 Hz=2C =0A= with small and sharp central lines=2C presumably =0A= caused by slight inbalances or nonlinearities in the =0A= transmitter.=0A= =0A= By these criteria=2C if you have the choice I =0A= would recommend to operate somewhere near these gaps=2C but not exactly in = =0A= their middle=2C and also preferably not exactly on integer Hz =0A= frequencies =3B-)=0A= =0A= Best 73=2C=0A= Markus (DF6NM)=0A= =0A= =0A= =0A= =0A= =0A= From: Bob Raide =0A= Sent: Monday=2C September 30=2C 2013 8:02 PM=0A= To: rsgb_lf_group@blacksheep.org =0A= =0A= Subject: RE: LF: 74.550kHz Sep 29/30=0A= =0A= Hartmut=3B You make it look easy!!!=20 That station on =0A= 74.548 is WG2XRS/5=2C Dex in South Carolina. I am sure you will see him wh= en =0A= condx favor his area. Really great capture-this time I have my transmitter =0A= running correctly. I thought I better drop down .1 hz as I was seeing sigs= =0A= on .550 and .549 on Vester's grabber but then remembered you have direction= al =0A= ant and the sigs come from east of you and are not a problem. I can go to = =0A= 74.549 from now on. Thanks for all your good work! Bob WG2XRS/4 =0A= NY =20 =0A= > Date: Mon=2C 30 Sep 2013 17:33.:59 +0200 > From: =0A= h-wolff@gmx.de > To: rsgb_lf_group@blacksheep.org > Subject: LF: =0A= 74.550kHz Sep 29/30 >=20 > Here are the captures taken last =0A= night: >=20 > =0A= https://dl.dropboxusercontent.com/u/50178231/74550Hz-2013-09-30-QRSS60Scree= n.JPG > =0A= > =0A= https://dl.dropboxusercontent.com/u/50178231/74550Hz-2013-09-30-QRSS120Scre= en.JPG > =0A= > XRS4 was just below 74.549 kHz and very faint traces of another station = =0A= > on 74.548. Only visible on the QRSS120Screen. >=20 > -- =0A= > 73 > Hartmut >=20 >=20 = --_a4544f59-9cab-4b77-ab04-b9f7f7265ff2_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Markus=3B
The artifacts were = clear. =3B I agree we need to maybe find a better spot. =3B For ton= ite though I will be staying close to same freq as last night=2C for Hartmu= t no having to retune right now or maybe gone to bed and miss tonite. = =3B Hopefully you can talk with him and =3BI would follow both your rec= ommendations and sure Dex would as well as your the guys doing the decoding= !
I will fire up .2 hz higher tonite to try and get in the "clear zone" = between "whole" hz.
 =3B
From: marku= svester@aol.com
To: rsgb_lf_group@blacksheep.org
Date: Mon=2C 30 Sep = 2013 23:26:02 +0200
Subject: Re: LF: 74.550kHz Sep 29/30

=0A= =0A= =0A= =0A= =0A= =0A= =0A=
Hi Bob=2C LF=2C
=0A=
=  =3B
=0A=
last night my improvised grabber = =3Bhttp://dl.dropboxusercontent.com/u/26404526/df6nm_74kHz.j= pg =0A= indeed showed =3Bweak and slightly fuzzy traces on both your QRG's=2C a= nd on all =0A= other integer Hz frequencies as well.
=0A=
=  =3B
=0A=
These are presumably artifacts f= rom =0A= DCF77 which is only about 160 km from here. =3BIn addition to the well = known =0A= AM =3Btimecode=2C it also =3Bcarries =3B =3Bpseudorandom ph= ase modulation=2C =0A= which has =3Bbeen proposed in the 80ies to provide higher resolution ti= ming =0A= (albeit orders of magnitude worse than Loran or GPS). The resulting =0A= sidebands extend a couple of kHz on either side of the carrier=2C with pron= ounced =0A= minima around multiples of the chip rate 77500/120 =3D 645.833 Hz=2C see = =0A=
=0A=
http://www.ptb.de/cms/fileadmin/internet/fa= chabteilungen/abteilung_4/4.4_zeit_und_frequenz/pdf/5_1988_Hetzel_-_Proc_EF= TF_88.pdf =3B(page 358= ). The same code =0A= sequence is repeated every second=2C so in theory the spectrum would consis= t of =0A= sharp 1 Hz spaced lines. However=2C additionally the =3Bsign of the seq= uence is =0A= alternated with the disseminated timecode bits=2C =3Bproducing some wid= ening or =0A= "fuzzyness" of the lines.
=0A=
=  =3B
=0A=
Attached is a spectrogram =3Bwhich= was =3Btaken =0A= tonight on =3Bthe resonant antenna. Between statics=2C =3Byou can&n= bsp=3Bstill =0A= see the =3Bfourth sideband lobe which is =3Bcentered near 74.6 kHz.= The =0A= spectral gaps are on =3B
= =0A=
 =3B74916.666 Hz=2C
= =0A=
 =3B74270.833 Hz=2C
= =0A=
 =3B73625.000 Hz=2C
<= /font>=0A=
with small and sharp central lines=2C = presumably =0A= caused by slight inbalances or nonlinearities =3Bin the =0A= transmitter.
=0A=
=  =3B
=0A=
By these criteria=2C =3Bif you hav= e the choice I =0A= would recommend to operate somewhere =3Bnear these gaps=2C but not exac= tly in =0A= their middle=2C and also preferably not exactly on integer Hz =0A= frequencies =3B=3B-)
=0A=
 =3B
=0A=
Best 73=2C
=0A=
Markus (DF6NM)
=0A=
 =3B
=0A=
 =3B
=0A=

=0A=
=0A=
=0A=
From: Bob Raide=
=0A=
Sent: Monday=2C September 30=2C 2013 8:02 PM
=0A= =0A=
Subject: RE: LF: 74.550kHz Sep 29/30
=0A=

=0A=
Hartmut=3B
You make it look easy!!! =3B
That&nbs= p=3Bstation on =0A= 74.548 is WG2XRS/5=2C Dex in South Carolina. =3B I am sure you will see= him when =0A= condx favor his area.
Really great capture-this time I have my transmitt= er =0A= running correctly. =3B I thought I better drop down .1 hz as I was seei= ng sigs =0A= on .550 and .549 on Vester's grabber but then remembered you have direction= al =0A= ant and the sigs come from east of you and are not a problem. =3B I can= go to =0A= 74.549 from now on.
Thanks for all your good work! Bob =3B WG2XRS/4 = =0A= NY
 =3B
=0A=
>=3B Date: Mon=2C 30 Sep 2013 17:33.:59 +0200
>=3B From: =0A= h-wolff@gmx.de
>=3B To: rsgb_lf_group@blacksheep.org
>=3B Subject= : LF: =0A= 74.550kHz Sep 29/30
>=3B
>=3B Here are the captures taken last = =0A= night:
>=3B
>=3B =0A= https://dl.dropboxusercontent.com/u/50178231/74550Hz-2013-09-30-QRSS60Scree= n.JPG
>=3B =0A=
>=3B =0A= https://dl.dropboxusercontent.com/u/50178231/74550Hz-2013-09-30-QRSS120Scre= en.JPG
>=3B =0A=
>=3B XRS4 was just below 74.549 kHz and very faint traces of another = station =0A=
>=3B on 74.548. Only visible on the QRSS120Screen.
>=3B
>= =3B -- =0A=
>=3B 73
>=3B Hartmut
>=3B
>=3B
=
= --_a4544f59-9cab-4b77-ab04-b9f7f7265ff2_--