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[86.132.15.36]) by mx.google.com with ESMTPS id d13sm10054444bkw.12.2012.09.24.08.15.03 (version=SSLv3 cipher=OTHER); Mon, 24 Sep 2012 08:15:05 -0700 (PDT) From: Terry GW0EZY To: References: <7F2208077DA448F78F384AF5B55DECA0@White> <505DD1D8.70901@iup.uni-heidelberg.de> <829FB31FADAD4D4682EC509D2416C9F4@AGB> <005d01cd98fe$74bc6030$0501a8c0@xphd97xgq27nyf> <0865DC8F-C867-4D80-8149-D2474B51ED63@gmail.com> <505E55F3.8020502@iup.uni-heidelberg.de> <004d01cd9926$26739b50$6401a8c0@JAYDELL> <6ECF47A4215C4DED9E68C3058165ACD5@White> <505F0488.2010709@iup.uni-heidelberg.de> <009a01cd9993$e4e0c370$6401a8c0@JAYDELL> <505F3407.1050907@iup.uni-heidelberg.de> <004401cd99ab$58954f90$09bfeeb0$@com> <505F419B.5010603@iup.uni-heidelberg.de> <000001cd9a27$a198f350$e4cad9f0$@com> <50606492.8050609@iup.uni-heidelberg.de> Date: Mon, 24 Sep 2012 16:14:57 +0100 Message-ID: <4DA2B725C5F24DBF83D78791853C0E36@intelp4> MIME-Version: 1.0 X-Mailer: Microsoft Office Outlook 11 In-Reply-To: <50606492.8050609@iup.uni-heidelberg.de> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 Thread-Index: Ac2aXI+Sr9D/9fG/QIWDRmqWT1N8QwACkDBw X-Gm-Message-State: ALoCoQnLpGHujawQzQHlw+TlIelDgEj/sDJhpa+LxI3w/1HKPHoZe2Uxhk7FCr6LvyiGFoMlKiSMoUNwdEeua0oujRhnLsO/LjjqFogYW8YvTlxHg1QRWiMLexXG5qOG3W2rGhocFM+lrBIguUQ9bGlhwfW3NaScxN543M722DGmV4nBK9jzm7sWkb/QfGBhcXuPu6VZNg7g X-Spam-Score: -0.7 (/) 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: Stefan Just reading your email and the later correction for 10 minutes. Will need some setting up. OK I will give it a try. [...] Content analysis details: (-0.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [209.85.214.43 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: fb6dfe825a183559876874b274c11899 Subject: RE: LF: Re: Experimental software for WSPR-8 and -32 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00D0_01CD9A6F.C1F2BAD0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_50_60,HTML_FONTCOLOR_BLUE, HTML_FONTCOLOR_UNKNOWN,HTML_FONTCOLOR_UNSAFE,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 x-aol-global-disposition: G x-aol-sid: 3039ac1d41165060794f10ba X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. ------=_NextPart_000_00D0_01CD9A6F.C1F2BAD0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Stefan =20 Just reading your email and the later correction for 10 minutes. Will = need some setting up. =20 OK I will give it a try. =20 It is now 15:14 UTC =20 73 Terry=20 =20 _____ =20 From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Stefan = Sch=E4fer Sent: 24 September 2012 14:48 To: rsgb_lf_group@blacksheep.org Cc: Joe Taylor Subject: Re: LF: Re: Experimental software for WSPR-8 and -32 =20 Hi Terry, Jay, Joe, LF, Thank you Terry, you didn't miss any WSPR-32 transmission! :-) Also = thanks to Jay for providing the useful data from the transatlantic path! Here = the results are looking most promising as well. Sri for the non decodes of DF6NM. But maybe in the next test! The SNR levels are very high. I would like to evaluate the effect of sferic blanking to the WSPR = signals and its performance. If sferic balnking, done in SpecLab, improves the = WSPR performance significantly, then this may be important for Joe and the = new JT8 mode which is intended for MF/LF where QRN is much more dominant and aggressive than on 20m or so. For the next test i suggest to use WSPR-8 again, on the same QRG. I = shall reduce the power level by 20 dB. Then Terry, i would like to have an = audio recording, a wav file generated in SpecLab. If possible, my signal = should be in the center of a SSB filter bandwidth (or wider), directly coming from = the soundcard. Timing is critical again. You must start the recording = exactly when my transmission begins and it must be stopped after exactly 8 = minutes! Then you can pass me the file in Dropbox.=20 I will then replay the file in SpecLab, in an endless loop. First i will = use the file as it is, to confirm the decoding works and the decode levels = are always the same. Then, i will add a 2.5 kHz bandpass and apply sferic blanking by using the SL noise blanker. In QRSS/DFCW this makes a = subjective improvement of 6...10 dB, depending on the noise levels. =20 If we can get another 6 dB by that, then is assume that W1VD will successfully decode DF6NM, which would be a nice confirmation. Jay, the DST levels according to http://lasp.colorado.edu/space_weather/dsttemerin/dsttemerin.html must = have been very good for transatlantik LF work, right? Jay, would you like to try run the WSPR (including the add-on tools from Markus) "behind" the band filter and NB that you're using to display the EU60 band on your grabber tonite? First i have a "onw-way-sked" with Martin and also try to leave traces = at http://icas.to/argo/eu.htm in QRSS-120. Conds are excellent! Later i = would send some sequences in WSPR-8. For the recording and tests, it may = anyway be better to use the typical night-QRN when the band is opened between = Terry and me... Terry, OK? For testing and comparing night time QRN levels and daytime groundwave QRN/QRM levels and the difference of sferic blanking it may be even = useful to have 2 recordings. Thus i will NOW start to run the TX in WSPR-8 with = a 20 dB lower LF signal compared to the typical values. I'll run the = beacon in 100% mode so that Terry or someone else can easily take the recording = (if you like to participate in the test). The beacon runs until about 17 = UTC, then i have to QSY to QRSS-120. 73, Stefan/DK7FC Am 24.09.2012 09:38, schrieb Terry GW0EZY:=20 Stefan/Markus =20 Full decode list as nothing was uploaded to WSPRNet (1530-1630 adjusting dial QRG) =20 UTC =20 1530 5 0.6 0.137987 0 DK7FC JN49 30 1600 -6 0.2 0.136181 0 DF6NM JN59 27 1630 6 0.2 0.136167 0 DK7FC JN49 30 1700 -6 0.2 0.136165 0 DF6NM JN59 27 1730 6 0.2 0.136164 0 DK7FC JN49 30 1830 3 0.0 0.136163 0 DK7FC JN49 30 1900 -7 0.0 0.136164 0 DF6NM JN59 27 1930 1 0.1 0.136163 0 DK7FC JN49 30 2030 2 0.1 0.136163 0 DK7FC JN49 30 2100 -9 0.1 0.136164 0 DF6NM JN59 27 2130 5 0.2 0.136163 0 DK7FC JN49 30 2200 -9 0.3 0.136164 0 DF6NM JN59 27 2230 2 0.1 0.136163 0 DK7FC JN49 30 2300 -3 0.0 0.136164 0 DF6NM JN59 27 2330 2 0.2 0.136163 0 DK7FC JN49 30 0000 -5 0.1 0.136164 0 DF6NM JN59 27 0030 3 0.1 0.136163 0 DK7FC JN49 30 0100 -11 0.1 0.136164 0 DF6NM JN59 27 0130 1 0.0 0.136162 0 DK7FC JN49 30 0200 -6 0.0 0.136164 0 DF6NM JN59 27 0230 4 0.1 0.136162 0 DK7FC JN49 30 0300 -10 0.0 0.136164 0 DF6NM JN59 27 0330 -2 0.1 0.136162 0 DK7FC JN49 30 0400 -16 0.1 0.136163 0 DF6NM JN59 27 0430 3 0.2 0.136162 0 DK7FC JN49 30 0500 -9 0.2 0.136163 0 DF6NM JN59 27 0530 4 0.3 0.136162 0 DK7FC JN49 30 0600 -9 0.2 0.136163 0 DF6NM JN59 27 =20 73 Terry Am 24.09.2012 13:24, schrieb jrusgrove@comcast.net:=20 Stefan=20 Good T/A copy of your WSPR-32 transmission ... unfortunately no = reception of DF6NM. All available time slots were received.=20 2012-09-24 05:30 DK7FC 0.136164 -16 0 JN49ik +30 1.000 W1VD = FN31ls 6099 3790=20 2012-09-24 04:30 DK7FC 0.136164 -20 0 JN49ik +30 1.000 W1VD = FN31ls 6099 3790=20 2012-09-24 03:30 DK7FC 0.136164 -25 0 JN49ik +30 1.000 W1VD = FN31ls 6099 3790=20 2012-09-24 02:30 DK7FC 0.136164 -21 0 JN49ik +30 1.000 W1VD = FN31ls 6099 3790=20 2012-09-24 01:30 DK7FC 0.136164 -23 0 JN49ik +30 1.000 W1VD = FN31ls 6099 3790=20 2012-09-24 00:30 DK7FC 0.136164 -19 0 JN49ik +30 1.000 W1VD = FN31ls 6099 3790=20 2012-09-23 23:30 DK7FC 0.136164 -21 0 JN49ik +30 1.000 W1VD = FN31ls 6099 3790 The database appears to have all my receptions although it's operation = has been intermittant lately.=20 Jay W1VD WD2XNS WE2XGR/2=20 =20 ------=_NextPart_000_00D0_01CD9A6F.C1F2BAD0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Stefan

 

Just reading your email and the = later correction for 10 minutes. Will need some setting up.

 

OK I will give it a = try.

 

It is now 15:14 = UTC

 

73 Terry =

 

From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Stefan = Sch=E4fer
Sent: 24 September 2012 = 14:48
To: rsgb_lf_group@blacksheep.org
Cc: Joe Taylor
Subject: Re: LF: Re: = Experimental software for WSPR-8 and -32

 

Hi Terry, Jay, Joe, LF,

Thank you Terry, you didn't miss any WSPR-32 transmission! :-) Also = thanks to Jay for providing the useful data from the transatlantic path! Here the = results are looking most promising as well. Sri for the non decodes of DF6NM. = But maybe in the next test!

The SNR levels are very high.

I would like to evaluate the effect of sferic blanking to the WSPR = signals and its performance. If sferic balnking, done in SpecLab, improves the WSPR performance significantly, then this may be important for Joe and the = new JT8 mode which is intended for MF/LF where QRN is much more dominant and = aggressive than on 20m or so.

For the next test i suggest to use WSPR-8 again, on the same QRG. I = shall reduce the power level by 20 dB. Then Terry, i would like to have an = audio recording, a wav file generated in SpecLab. If possible, my signal = should be in the center of a SSB filter bandwidth (or wider), directly coming from = the soundcard. Timing is critical again. You must start the recording = exactly when my transmission begins and it must be stopped after exactly 8 minutes! = Then you can pass me the file in Dropbox.

I will then replay the file in SpecLab, in an endless loop. First i will = use the file as it is, to confirm the decoding works and the decode levels = are always the same. Then, i will add a 2.5 kHz bandpass and apply sferic = blanking by using the SL noise blanker. In QRSS/DFCW this makes a subjective = improvement of 6...10 dB, depending on the noise levels. 
If we can get another 6 dB by that, then is assume that W1VD will = successfully decode DF6NM, which would be a nice confirmation.

Jay, the DST levels according to http://lasp.colorado.edu/space_weather/dsttemerin/dsttemerin.html must have been very good for transatlantik LF work, right?
Jay, would you like to try run the WSPR (including the add-on tools from Markus) "behind" the band filter and NB that you're using to = display the EU60 band on your grabber tonite?

First i have a "onw-way-sked" with Martin and also try to leave traces at http://icas.to/argo/eu.htm in QRSS-120. Conds are excellent! Later i would send some sequences in = WSPR-8. For the recording and tests, it may anyway be better to use the typical night-QRN when the band is opened between Terry and me...

Terry, = OK?

For testing and comparing night time QRN levels and daytime groundwave = QRN/QRM levels and the difference of sferic blanking it may be even useful to = have 2 recordings. Thus i will NOW start to run the TX in WSPR-8 with a 20 dB lower LF signal compared to the = typical values. I'll run the beacon in 100% mode so that Terry or someone else = can easily take the recording (if you like to participate in the test). The = beacon runs until about 17 UTC, then i have to QSY to QRSS-120.

73, Stefan/DK7FC



Am 24.09.2012 09:38, schrieb Terry GW0EZY:

Stefan/Markus

=

 =

Full decode = list as nothing was uploaded to WSPRNet (1530-1630 adjusting dial = QRG)

 =

UTC

 =

1530 &n= bsp; 5  0.6   0.137987  0 DK7FC JN49 = 30

1600  = -6  0.2   0.136181  0 DF6NM JN59 = 27

1630 &n= bsp; 6  0.2   0.136167  0 DK7FC JN49 = 30

1700  = -6  0.2   0.136165  0 DF6NM JN59 = 27

1730 &n= bsp; 6  0.2   0.136164  0 DK7FC JN49 = 30

1830 &n= bsp; 3  0.0   0.136163  0 DK7FC JN49 = 30

1900  = -7  0.0   0.136164  0 DF6NM JN59 = 27

1930 &n= bsp; 1  0.1   0.136163  0 DK7FC JN49 = 30

2030 &n= bsp; 2  0.1   0.136163  0 DK7FC JN49 = 30

2100  = -9  0.1   0.136164  0 DF6NM JN59 = 27

2130 &n= bsp; 5  0.2   0.136163  0 DK7FC JN49 = 30

2200  = -9  0.3   0.136164  0 DF6NM JN59 = 27

2230 &n= bsp; 2  0.1   0.136163  0 DK7FC JN49 = 30

2300  = -3  0.0   0.136164  0 DF6NM JN59 = 27

2330 &n= bsp; 2  0.2   0.136163  0 DK7FC JN49 = 30

0000  = -5  0.1   0.136164  0 DF6NM JN59 = 27

0030 &n= bsp; 3  0.1   0.136163  0 DK7FC JN49 = 30

0100 = -11  0.1   0.136164  0 DF6NM JN59 = 27

0130 &n= bsp; 1  0.0   0.136162  0 DK7FC JN49 = 30

0200  = -6  0.0   0.136164  0 DF6NM JN59 = 27

0230 &n= bsp; 4  0.1   0.136162  0 DK7FC JN49 = 30

0300 = -10  0.0   0.136164  0 DF6NM JN59 27

0330  = -2  0.1   0.136162  0 DK7FC JN49 = 30

0400 = -16  0.1   0.136163  0 DF6NM JN59 = 27

0430 &n= bsp; 3  0.2   0.136162  0 DK7FC JN49 = 30

0500  = -9  0.2   0.136163  0 DF6NM JN59 = 27

0530 &n= bsp; 4  0.3   0.136162  0 DK7FC JN49 = 30

0600  = -9  0.2   0.136163  0 DF6NM JN59 = 27

 =

73 = Terry



Am 24.09.2012 13:24, schrieb jrusgrove@comcast.net:

Stefan

Good T/A copy of your WSPR-32 transmission ... unfortunately no = reception of DF6NM. All available time slots were received.

2012-09-24 05:30  DK7FC  0.136164  -16  0  JN49ik  +30  1.000  W1VD  FN31ls  6099  = 3790
2012-09-24 04:30  DK7FC  0.136164  -20  0  JN49ik  +30  1.000  W1VD  FN31ls  6099  = 3790
2012-09-24 03:30  DK7FC  0.136164  -25  0  JN49ik  +30  1.000  W1VD  FN31ls  6099  = 3790
2012-09-24 02:30  DK7FC  0.136164  -21  0  JN49ik  +30  1.000  W1VD  FN31ls  6099  = 3790
2012-09-24 01:30  DK7FC  0.136164  -23  0  JN49ik  +30  1.000  W1VD  FN31ls  6099  = 3790
2012-09-24 00:30  DK7FC  0.136164  -19  0  = JN49ik  +30  1.000  W1VD  FN31ls  6099  3790
2012-09-23 23:30  DK7FC  0.136164  -21  0  JN49ik  +30  1.000  W1VD  FN31ls  6099  = 3790
The database appears to have all my receptions although it's operation = has been intermittant lately.

Jay W1VD  WD2XNS  WE2XGR/2

 

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