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[195.171.43.25]) by mx.google.com with ESMTP id jl3si108136lbc.9.2013.10.24.14.20.08 for ; Thu, 24 Oct 2013 14:20:09 -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; dkim=pass (test mode) header.i=@btinternet.com Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1VZSIq-0005Tq-JE for rs_out_1@blacksheep.org; Thu, 24 Oct 2013 22:18:48 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1VZSIp-0005Th-DI for rsgb_lf_group@blacksheep.org; Thu, 24 Oct 2013 22:18:47 +0100 Received: from smtpout12.bt.lon5.cpcloud.co.uk ([65.20.0.132]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1VZSIm-0003Ja-F6 for rsgb_lf_group@blacksheep.org; Thu, 24 Oct 2013 22:18:46 +0100 X-CTCH-RefID: str=0001.0A090208.52698EB2.01B1,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 X-Junkmail-Premium-Raw: score=39/97,refid=2.7.2:2013.10.24.180914:17:39.532,ip=81.157.1.84,rules=__HAS_MSGID, __SANE_MSGID, MSGID_32HEX_LC, INVALID_MSGID_NO_FQDN, __HAS_FROM, __PHISH_FROM2, __FRAUD_WEBMAIL_FROM, __TO_MALFORMED_2, __TO_NO_NAME, __RUS_SUBJ_ALL_UCASE_1251, __RUS_SUBJ_ALL_UCASE_KOI8R, __BOUNCE_CHALLENGE_SUBJ, __BOUNCE_NDR_SUBJ_EXEMPT, __SUBJ_ALPHA_END, __MIME_VERSION, __CT, __CTYPE_MULTIPART_ALT, __CTYPE_HAS_BOUNDARY, __CTYPE_MULTIPART, __HAS_X_PRIORITY, __HAS_MSMAIL_PRI, __HAS_X_MAILER, USER_AGENT_OE, __OUTLOOK_MUA_1, __USER_AGENT_MS_GENERIC, __ANY_URI, LINK_TO_IMAGE, URI_ENDS_IN_HTML, __FRAUD_BODY_WEBMAIL, __CP_URI_IN_BODY, __SUBJ_ALPHA_NEGATE, SUPERLONG_LINE, __HAS_HTML, BODY_SIZE_10000_PLUS, BODYTEXTH_SIZE_10000_LESS, __MIME_HTML, __TAG_EXISTS_HTML, RDNS_GENERIC_POOLED, __URI_NS, SXL_IP_DYNAMIC[84.1.157.81.fur], HTML_50_70, RDNS_SUSP_GENERIC, __PHISH_FROM, __OUTLOOK_MUA, RDNS_SUSP, __FRAUD_WEBMAIL, FORGED_MUA_OUTLOOK X-CTCH-Spam: Unknown Received: from gnat (81.157.1.84) by smtpout12.bt.lon5.cpcloud.co.uk (8.6.100.99.10161) (authenticated as alan.melia@btinternet.com) id 5266F7E700106FBC for rsgb_lf_group@blacksheep.org; Thu, 24 Oct 2013 22:18:42 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=btinternet.com; s=btcpcloud; t=1382649524; bh=rqLQ+kr/+XGVI8Ca/woJyHtDU4fO3Wz5LHohpuEmsT8=; h=Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:X-Mailer; b=ozCzcKBtNZRX/VGA+Md9UUmlEkX1nGEPUlErhTTEazVhSfMWSkGo01Dwtc2QCWGUKQy6VyxXlh/1n3A8FWzperOMWRa1E7FrLegGoBJNYlOYllpVzJ+S55+6Tlc8HXxa0NzJwNfQ5tmYN3VfexOrSraFW4ubH0Gl7GApVg03ceA= Message-ID: <8C08E563996547BC88AD211ADD38AF93@gnat> From: "Alan Melia" To: References: <8D09D2787E89EA5-1144-34813@webmail-m103.sysops.aol.com> <8D09E06ACFC5EA0-E3C-2175@webmail-d226.sysops.aol.com> <5EFA3E766995409E9D1291A076129497@White> Date: Thu, 24 Oct 2013 22:11:20 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 X-Antivirus: avast! (VPS 131023-1, 23/10/2013), Outbound message X-Antivirus-Status: Clean X-Spam-Score: 0.0 (/) 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: Hi Markus that 74kHz trace for CFH will be interesting in a couple of days time after any CME with the M9 flare arrives. Say early moring 25/26th or the darkness period on 26/27th.....MOST useful as you have a good "template" for quite conditions [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [65.20.0.132 listed in list.dnswl.org] 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 059065dc6500ac08f691f2dd07d4538f Subject: Re: LF: CFH, 74.55 kHz Content-Type: multipart/alternative; boundary="----=_NextPart_000_006D_01CED105.F7CD9490" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.2 required=5.0 tests=FORGED_MUA_OUTLOOK,HTML_40_50, HTML_FONTCOLOR_UNKNOWN,HTML_MESSAGE 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: 2212 This is a multi-part message in MIME format. ------=_NextPart_000_006D_01CED105.F7CD9490 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Markus that 74kHz trace for CFH will be interesting in a couple of = days time after any CME with the M9 flare arrives. Say early moring = 25/26th or the darkness period on 26/27th.....MOST useful as you have a = good "template" for quite conditions Alan G3NYK ----- Original Message -----=20 From: Markus Vester=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, October 24, 2013 9:41 PM Subject: Re: LF: CFH, 74.55 kHz Some more traces from Bob around 3 UT last night, but somewhat worse = than the night before: df6nm.bplaced.net/LF/74kHz/74k_131024_0600.png The fieldstrength pattern of CFH 73.6 kHz seems pretty much = reproducible (when its's on). Levels at the same hour in different = nights seem to vary by no more than 3 dB or so: df6nm.bplaced.net/LF/74kHz/plot_131024_0712.png Bob, Loran-C is really not a problem here as the spectrum = predominantly consists of discrete sharp lines. Even with advanced = modulation schemes (Eurofix, eLoran), there's relatively little noise = emitted between the lines. To me, Loran is actually more of a blessing = because the lines provides a precise frequency reference. And it can be = used for detailed propagation monitoring as well: last night, the two = traces from Wildwood were again strong between 21:30 and 7 UT.=20 The 74 kHz noise here is mostly "made in Germany" by the DCF77 time = signal station, which is phase-modulated by a 645.833 bit/s pseudorandom = sequence, repeating every second. The bad thing for us is that this = modulation is inverted with the disseminated timecode and weather = information, which spreads a significant part of the power between the 1 = Hz harmonics. Going down to say 72.4 kHz would probably improve things = here. Best 73, Markus (DF6NM) From: Markus Vester=20 Sent: Wednesday, October 23, 2013 2:58 PM To: rsgb_lf_group@blacksheep.org=20 Subject: LF: CFH, 74.55 kHz Last night some traces from Bob finally appeared in Nuernberg, albeit = a far cry from the excellent receptions of Mike, Henny, Victor and = Hartmut. df6nm.bplaced.net/LF/74kHz/74k_131023_0400.png CFH 73.6 kHz dropped out before midnight but came back a few hours = later df6nm.bplaced.net/LF/74kHz/plot_131023_0646.png Experimental Loran-C transmissions from Wildwood / Cape May are still = ongoing, strong enough to leave a weak daytime trace here. Best 73, Markus (DF6NM) -----Urspr=C3=BCngliche Mitteilung-----=20 Von: Markus Vester An: rsgb_lf_group Verschickt: Di, 22 Okt 2013 12:22 pm Betreff: LF: CFH, Loran Wildwood Last night, CFH 73.6 kHz apparently went off air at midnight UT:=20 http://dl.dropboxusercontent.com/u/26404526/74kHz/plot_131022_0638.png df6nm.bplaced.net/LF/74kHz/ (selected captures) I noticed the lines in Jay's Eu grabber, and found that Loran-C from = Wildwood was active again: http://www.df6nm.de/LoranView/LoranGrabber.htm Best 73,=20 Markus (DF6NM) ------=_NextPart_000_006D_01CED105.F7CD9490 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable =EF=BB=BF
Hi Markus that 74kHz trace for CFH will = be=20 interesting in a couple of days time after any CME  with the M9 = flare=20 arrives. Say early moring 25/26th or the darkness period on=20 26/27th.....MOST useful as you have a good "template" for quite=20 conditions
 
Alan
G3NYK
----- Original Message -----
From:=20 Markus=20 Vester
Sent: Thursday, October 24, = 2013 9:41=20 PM
Subject: Re: LF: CFH, 74.55 = kHz

Some more traces from Bob around 3 UT = last night,=20 but somewhat worse than the night before:
df6nm.bpla= ced.net/LF/74kHz/74k_131024_0600.png
 
The fieldstrength pattern of CFH 73.6 = kHz seems=20 pretty much reproducible (when its's on). Levels at the same = hour in=20 different nights seem to vary by no more than 3 dB or=20 so:
df6nm.bpl= aced.net/LF/74kHz/plot_131024_0712.png
 
Bob, Loran-C is really not a problem = here as the=20 spectrum predominantly consists of discrete sharp lines. Even with = advanced=20 modulation schemes (Eurofix, eLoran), there's relatively little = noise=20 emitted between the lines. To me, Loran is actually more of a = blessing=20 because the lines provides a precise frequency reference. And it = can be=20 used for detailed propagation monitoring as well: last night, the two = traces=20 from Wildwood were again strong between 21:30 and 7 = UT. 
 
The 74 kHz noise here is mostly "made = in Germany"=20 by the DCF77 time signal station, which is phase-modulated = by a=20 645.833 bit/s pseudorandom sequence, repeating every second. The bad = thing for=20 us is that this modulation is inverted with the disseminated = timecode and=20 weather information, which spreads a significant part of the=20 power between the 1 Hz harmonics. Going down to say 72.4 kHz = would=20 probably improve things here.
 
Best 73,
Markus (DF6NM)
 
 

Sent: Wednesday, October 23, 2013 2:58 PM
Subject: LF: CFH, 74.55 kHz

Last night some traces from Bob finally = appeared=20 in Nuernberg, albeit a far cry from the excellent receptions of = Mike,=20 Henny, Victor and Hartmut.
df6nm.bpla= ced.net/LF/74kHz/74k_131023_0400.png
 
CFH 73.6 kHz dropped out before midnight but came back a few = hours=20 later
df6nm.bpl= aced.net/LF/74kHz/plot_131023_0646.png
Experimental Loran-C transmissions from Wildwood / Cape May are = still=20 ongoing, strong enough to leave a weak daytime trace = here.
 
Best 73,
Markus (DF6NM)
 
 
-----Urspr=C3=BCngliche Mitteilung-----
Von: = Markus Vester=20 <markusvester@aol.com>
An: rsgb_lf_group=20 <rsgb_lf_group@blacksheep.org>
Verschickt: Di, 22 Okt 2013 = 12:22=20 pm
Betreff: LF: CFH, Loran Wildwood

Last = night, CFH=20 73.6 kHz apparently went off air at midnight UT:
http://dl.dropboxusercontent.com/u/26404526/74kHz/plot_13= 1022_0638.png
df6nm.bplaced.net/LF/74kHz/ =20 (selected captures)
 
I = noticed the=20 lines in Jay's Eu grabber, and found that Loran-C from Wildwood was = active=20 again:
http://www.df6nm.de/LoranView/LoranGrabber.htm
 
Best = 73,=20
Markus (DF6NM)
 
 
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