Return-Path: X-Spam-DCC: paranoid 1102; Body=3 Fuz1=3 Fuz2=2 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 t4UNLYP1032731 for ; Sun, 31 May 2015 01:21:34 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Yyq21-0001cr-FR for rs_out_1@blacksheep.org; Sun, 31 May 2015 00:19:09 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Yyq20-0001cg-Ke for rsgb_lf_group@blacksheep.org; Sun, 31 May 2015 00:19:08 +0100 Received: from mta11.charter.net ([216.33.127.80]) by relay1.thorcom.net with esmtp (Exim 4.85) (envelope-from ) id 1Yyq1y-0002Lb-8B for rsgb_lf_group@blacksheep.org; Sun, 31 May 2015 00:19:07 +0100 Received: from imp11 ([10.20.200.11]) by mta11.charter.net (InterMail vM.8.01.05.09 201-2260-151-124-20120717) with ESMTP id <20150530231904.RMGG5815.mta11.charter.net@imp11> for ; Sat, 30 May 2015 19:19:04 -0400 Received: from mtaout001.msg.strl.va.charter.net ([68.114.190.26]) by imp11 with smtp.charter.net id aPK41q0040adFl805PK4f9; Sat, 30 May 2015 19:19:04 -0400 Received: from impout001 ([68.114.189.16]) by mtaout001.msg.strl.va.charter.net (InterMail vM.9.00.018.00 201-2473-151) with ESMTP id <20150530231904.SRAH7015.mtaout001.msg.strl.va.charter.net@impout001> for ; Sat, 30 May 2015 18:19:04 -0500 Received: from [192.168.2.101] ([74.209.46.165]) by impout001 with charter.net id aPK31q00A3Zq81E01PK3gS; Sat, 30 May 2015 18:19:04 -0500 X-Authority-Analysis: v=2.1 cv=If4JWAaa c=1 sm=1 tr=0 a=xGi1cd//1DGuoq6eP10AAg==:117 a=xGi1cd//1DGuoq6eP10AAg==:17 a=hOpmn2quAAAA:8 a=mK_AVkanAAAA:8 a=qumkwLSJAAAA:8 a=nGp8szjaAAAA:20 a=vvkGHyT2AAAA:20 a=F3M5lZpKAAAA:8 a=Z4OZpw9PAAAA:20 a=1FM8wg4dAAAA:20 a=h0Dl3U-G5l9otv0px6YA:9 a=CjuIK1q_8ugA:10 a=mAgMNT-Vxr0A:10 a=3oc9M9_CAAAA:8 a=o1OHuDzbAAAA:8 a=S-eOc76dSNyTL-1fYfMA:9 a=t4Lk07g5vYQD_-uv:21 a=QEXdDO2ut3YA:10 a=_W_S_7VecoQA:10 X-Auth-id: dzF0YWdAY2hhcnRlci5uZXQ= References: <5568E23F.5070907@posteo.de> <98550314F4E343FF8ACABAF3E7D5FC8B@MichaelSappPC> <556A3B12.9090408@gmail.com> From: John Andrews X-Mailer: iPhone Mail (11D257) In-Reply-To: <556A3B12.9090408@gmail.com> Message-Id: <2B8E7813-6E70-4A83-98F7-F0C806189183@charter.net> Date: Sat, 30 May 2015 19:18:59 -0400 To: "rsgb_lf_group@blacksheep.org" Mime-Version: 1.0 (1.0) X-Scan-Signature: eaf2c94dead786101818a7a2aa96a4c4 Subject: Re: LF: Almost Content-Type: multipart/alternative; boundary=Apple-Mail-6F0C027E-F2DF-4054-8AEC-7A258E84F42B Content-Transfer-Encoding: 7bit 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: 3373 --Apple-Mail-6F0C027E-F2DF-4054-8AEC-7A258E84F42B Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Stefan, It'll be pretty noisy tonight, so I won't be running.=20 John, W1TAG/1 > On May 30, 2015, at 6:34 PM, DK7FC <73dk7fc@googlemail.com> wrote: >=20 > Mike,=20 >=20 > Interesting to read about your RX equipment. Sounds like a bit effort but m= ust be a great fun as well :-) I like the different antennas, and i'm glad t= o 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 trac= es. Or would this be some kind of cheating? > Maybe it's a good night again, graphs on http://lasp.colorado.edu/space_we= ather/dsttemerin/dsttemerin.html look quite promising... >=20 > 73, Stefan >=20 > Am 30.05.2015 20:33, schrieb Michael Sapp: >>=20 >> Markus: I do not think the QRM signals are spurious. I have built the W1= VD preselector for 475~500 kHz range and the offending signals are still pre= sent when the preselector is used. Same with the FZ-02 filter. There are s= ome 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 i= n frequency or strength from one day to the next. QRM signals are not very s= trong, but strong enough to interfere with a -27 to -30 SNR desired signal. = =20 >> =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 N= W 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, a= nd other QRM sources appear. I may try some phase steering between the two E= WE antennas. It is an ongoing learning process. Random chance could always p= revail, so I continue to listen, tinker, and occasionally even learn somethi= ng ~:). 73, >> =20 >> Mike wa3tts >> =20 >> PS: I have received several F5WK wspr2 captures on 630m this last Decemb= er.... >> =20 >> https://www.dropbox.com/s/wkfcl9gfyac5nlm/F5WKMAP.JPG?dl=3D0 >> =20 >> https://www.dropbox.com/s/fzox0bk492h20dq/IMG_4142.JPG?dl=3D0 >> ----- Original Message ----- a >> From: Markus Vester >> To: rsgb_lf_group@blacksheep.org >> Sent: Saturday, May 30, 2015 6:20 AM >> Subject: Re: LF: Almost >>=20 >> Looks like Stefan ran into a Loran line... but wait, Loran is no longer t= here in North America, and anyway we're on MF not LF. Mike any idea what is c= ausing those spurs? >> =20 >> https://dl.dropboxusercontent.com/s/hferguh5tdeaccw/IMG_4352.JPG (direct l= ink) >> =20 >> 73, Markus (DF6NM) >>=20 >> From: Michael Sapp >> Sent: Saturday, May 30, 2015 4:41 AM >> To: rsgb_lf_group@blacksheep.org >> Subject: LF: Almost >>=20 >> Stefan: Close, but no cigar..... local QRM..... >> =20 >> https://www.dropbox.com/s/hferguh5tdeaccw/IMG_4352.JPG?dl=3D0 >> =20 >> 73 Mike wa3tts >> ----- Original Message ----- >> From: DK7FC >> To: rsgb_lf_group@blacksheep.org >> Sent: Friday, May 29, 2015 6:03 PM >> Subject: LF: Worse than false decodes... --Apple-Mail-6F0C027E-F2DF-4054-8AEC-7A258E84F42B Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Stefan,

It'll= be pretty noisy tonight, so I won't be running. 

<= div>John, W1TAG/1



On May 30, 2015, at 6= :34 PM, DK7FC <73dk7fc@googlema= il.com> wrote:

Mike,

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/dst= temerin/dsttemerin.html look quite promising...

73, Stefan

Am 30.05.2015 20:33, schrieb Michael Sapp:
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 a= nd 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.  
 
  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 t= he 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,
 
Mike wa3tts
 
PS: I have received several  F5W= K wspr2 captures on 630m this last December....
 
 
----- Original Message ----- a
From:<= /b> Markus Vester
Sent: Saturday, May 30, 2015 6:20 AM
Subject: Re: LF: Almost

Looks like Stefan ran into&nbs= p;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?
 
 
73, Markus (DF6NM)

Sent: Saturday, May 30, 2015 4:41 AM
Subject: LF: Almost

Stefan: Close, but no cigar..... local QRM.....
 
 
73 Mike wa3tts
----- Original Message -----
From:= DK7FC
Sent: Friday, May 29, 2015 6:03 PM
Subject: LF: Worse than false decodes...

= --Apple-Mail-6F0C027E-F2DF-4054-8AEC-7A258E84F42B--