Return-Path: X-Spam-DCC: paranoid 1102; Body=3 Fuz1=3 Fuz2=3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_MESSAGE 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 t4UNIjQj032711 for ; Sun, 31 May 2015 01:18:45 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Yypye-0001X2-92 for rs_out_1@blacksheep.org; Sun, 31 May 2015 00:15:40 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Yypyd-0001Wt-Mq for rsgb_lf_group@blacksheep.org; Sun, 31 May 2015 00:15:39 +0100 Received: from vms173023pub.verizon.net ([206.46.173.23]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.85) (envelope-from ) id 1Yypyb-0002Jj-1s for rsgb_lf_group@blacksheep.org; Sun, 31 May 2015 00:15:38 +0100 Received: from MichaelSappPC ([173.75.42.26]) by vms173023.mailsrvcs.net (Oracle Communications Messaging Server 7.0.5.32.0 64bit (built Jul 16 2014)) with ESMTPA id <0NP600528R9M9AB0@vms173023.mailsrvcs.net> for rsgb_lf_group@blacksheep.org; Sat, 30 May 2015 18:15:31 -0500 (CDT) X-CMAE-Score: 0 X-CMAE-Analysis: v=2.1 cv=KZwvylsD c=1 sm=1 tr=0 a=oKUm5Y82zOJV+M+GiW5KPw==:117 a=cWLe3gRRFjkA:10 a=o1OHuDzbAAAA:8 a=oR5dmqMzAAAA:8 a=-9mUelKeXuEA:10 a=h1PgugrvaO0A:10 a=r77TgQKjGQsHNAKrUKIA:9 a=9iDbn-4jx3cA:10 a=cKsnjEOsciEA:10 a=gZbpxnkM3yUA:10 a=F3M5lZpKAAAA:8 a=qumkwLSJAAAA:8 a=nGp8szjaAAAA:20 a=vvkGHyT2AAAA:20 a=Z4OZpw9PAAAA:20 a=1FM8wg4dAAAA:20 a=5XjSuk6oLYWC1fFFZQIA:9 a=wPNLvfGTeEIA:10 a=mAgMNT-Vxr0A:10 a=mK_AVkanAAAA:8 a=3oc9M9_CAAAA:8 a=x863ejg2ZGLQTnDNcLUA:9 a=TktHvp16aMxB3Mvg:21 a=_W_S_7VecoQA:10 Message-id: <3BEFB1394FB4436CAFC2857C3DCC8F8E@MichaelSappPC> From: "Michael Sapp" To: References: <5568E23F.5070907@posteo.de> <98550314F4E343FF8ACABAF3E7D5FC8B@MichaelSappPC> <556A3B12.9090408@gmail.com> In-reply-to: <556A3B12.9090408@gmail.com> Date: Sat, 30 May 2015 19:15:16 -0400 MIME-version: 1.0 X-Priority: 3 X-MSMail-priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6002.18197 X-MIMEOLE: Produced By Microsoft MimeOLE V6.0.6002.18463 X-Scan-Signature: ae3221d431bd19e5880aa98eda07ece4 Subject: re: Re: LF: Almost Content-type: multipart/alternative; boundary="----=_NextPart_000_000C_01D09B0C.F5EB0F40" 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: 3372 This is a multi-part message in MIME format. ------=_NextPart_000_000C_01D09B0C.F5EB0F40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable RRR Stefan, if you could slide up a few Hz that would be great....& tnx = for Dst link. 73, Mike wa3tts ----- Original Message -----=20 From: DK7FC=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Saturday, May 30, 2015 6:34 PM Subject: Re: LF: Almost Mike,=20 Interesting to read about your RX equipment. Sounds like a bit effort = but must be a great fun as well :-) I like the different antennas, and = i'm glad to read that there is interest to get my signals. Well, you could have asked to QSY a bit, so i'm not right on your QRM = traces. Or would this be some kind of cheating? Maybe it's a good night again, graphs on = http://lasp.colorado.edu/space_weather/dsttemerin/dsttemerin.html look = quite promising... 73, Stefan Am 30.05.2015 20:33, schrieb Michael Sapp:=20 Markus: I do not think the QRM signals are spurious. I have built = the W1VD preselector for 475~500 kHz range and the offending signals are = still present when the preselector is used. Same with the FZ-02 filter. = There are some commercial and retail shops to my NE about 300~400 = meters away, possible that is the source. However, the offending QRM = signals are not consistent in frequency or strength from one day to the = next. QRM signals are not very strong, but strong enough to interfere = with a -27 to -30 SNR desired signal. =20 I use a pair of crossed EWE antennas to have four-way selectable = cardio patterns for NE, SW, SE, and NW directional reception. If I = switch to the NW direction, the QRM signals go away, but then = directivity to DK7FC would be about 4~5dB down. To the SW and SE = directions some QRM sources disappear, and other QRM sources appear. I = may try some phase steering between the two EWE antennas. It is an = ongoing learning process. Random chance could always prevail, so I = continue to listen, tinker, and occasionally even learn something ~:). = 73,=20 Mike wa3tts PS: I have received several F5WK wspr2 captures on 630m this last = December.... https://www.dropbox.com/s/wkfcl9gfyac5nlm/F5WKMAP.JPG?dl=3D0 https://www.dropbox.com/s/fzox0bk492h20dq/IMG_4142.JPG?dl=3D0 ----- Original Message ----- a From: Markus Vester=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Saturday, May 30, 2015 6:20 AM Subject: Re: LF: Almost Looks like Stefan ran into a Loran line... but wait, Loran is no = longer there in North America, and anyway we're on MF not LF. Mike any = idea what is causing those spurs? https://dl.dropboxusercontent.com/s/hferguh5tdeaccw/IMG_4352.JPG = (direct link) 73, Markus (DF6NM) From: Michael Sapp=20 Sent: Saturday, May 30, 2015 4:41 AM To: rsgb_lf_group@blacksheep.org=20 Subject: LF: Almost Stefan: Close, but no cigar..... local QRM..... https://www.dropbox.com/s/hferguh5tdeaccw/IMG_4352.JPG?dl=3D0 73 Mike wa3tts ----- Original Message -----=20 From: DK7FC=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Friday, May 29, 2015 6:03 PM Subject: LF: Worse than false decodes... ------=_NextPart_000_000C_01D09B0C.F5EB0F40 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
RRR Stefan, if you could slide up a few = Hz that=20 would be great....& tnx for Dst link.
 
73, Mike wa3tts
----- Original Message -----
From:=20 DK7FC=20
Sent: Saturday, May 30, 2015 = 6:34=20 PM
Subject: Re: LF: Almost

Mike,

Interesting to read about your RX = equipment.=20 Sounds like a bit effort but must be a great fun as well :-)  I = like the=20 different antennas, and i'm glad to read that there is interest to get = my=20 signals.
Well, you could have asked to QSY a bit, so i'm not right = on your=20 QRM traces. Or would this be some kind of cheating?
Maybe it's a = good night=20 again, graphs on http://lasp.colorado.edu/space_weather/dsttemerin/dsttemerin.html=20 look quite promising...

73, Stefan

Am 30.05.2015 20:33, = schrieb=20 Michael Sapp:=20
Markus:  I do not think the = QRM signals=20 are spurious. I have built the W1VD preselector for 475~500 kHz = range and=20 the offending signals are still present when the preselector is = used. =20 Same with the FZ-02 filter.  There are some commercial and = retail shops=20 to my NE about 300~400 meters away, possible that is the = source. =20 However, the offending QRM signals are not consistent in frequency = or=20 strength from one day to the next.  QRM signals are not very = strong,=20 but strong enough to interfere with a -27 to -30 SNR desired=20 signal.  
 
  I use a pair of crossed EWE = antennas to=20 have four-way selectable cardio patterns for NE, SW, SE, and NW = directional=20 reception. If I switch to the NW direction, the QRM signals go away, = but=20 then directivity to DK7FC would be about 4~5dB down.  To the SW = and SE=20 directions some QRM sources disappear, and other QRM sources = appear.  I=20 may try some phase steering between the two EWE antennas. It is = an=20 ongoing learning process. Random chance could always prevail, so I = continue=20 to listen, tinker, and occasionally even learn something ~:). 73,=20
 
Mike wa3tts
 
PS: I have received several =  F5WK wspr2=20 captures on 630m this last December....
 
https://www.dropbox.com/s/wkfcl9gfyac5nlm/F5WKMA= P.JPG?dl=3D0
 
https://www.dropbox.com/s/fzox0bk492h20dq/IMG_41= 42.JPG?dl=3D0
-----=20 Original Message ----- a From:=20 Markus Vester To:=20 rsgb_lf_group@blacksheep.org Sent:=20 Saturday, May 30, 2015 6:20 AM Subject:=20 Re: LF: Almost

Looks like Stefan ran = into a Loran=20 line... but wait, Loran is no longer there in North America, = and=20 anyway we're on MF not LF. Mike any idea what is causing those=20 spurs?
 
https://dl.dropboxusercontent.com/s/hferguh5tdea= ccw/IMG_4352.JPG (direct=20 link)
 
73, Markus (DF6NM)

From: Michael Sapp=20
Sent: Saturday, May 30, 2015 4:41 AM
To: rsgb_lf_group@blacksheep.org
Subject: LF: Almost

Stefan: Close, but no cigar..... = local=20 QRM.....
 
https://www.dropbox.com/s/hferguh5tdeaccw/IMG_43= 52.JPG?dl=3D0
 
73 Mike wa3tts
-----=20 Original Message ----- From:=20 DK7FC To:=20 rsgb_lf_group@blacksheep.org Sent:=20 Friday, May 29, 2015 6:03 PM Subject:=20 LF: Worse than false decodes... =

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