Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dl05.r1000.mx.aol.com (Internet Inbound) with ESMTP id AC90038000093; Mon, 25 Mar 2013 08:27:25 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1UK66i-0000w4-ME for rs_out_1@blacksheep.org; Mon, 25 Mar 2013 12:02:32 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1UK66i-0000vv-2M for rsgb_lf_group@blacksheep.org; Mon, 25 Mar 2013 12:02:32 +0000 Received: from cpsmtpb-ews10.kpnxchange.com ([213.75.39.15]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1UK66f-0003uB-I2 for rsgb_lf_group@blacksheep.org; Mon, 25 Mar 2013 12:02:30 +0000 Received: from cpsps-ews10.kpnxchange.com ([10.94.84.177]) by cpsmtpb-ews10.kpnxchange.com with Microsoft SMTPSVC(7.5.7601.17514); Mon, 25 Mar 2013 13:02:09 +0100 Received: from CPSMTPM-TLF102.kpnxchange.com ([195.121.3.5]) by cpsps-ews10.kpnxchange.com with Microsoft SMTPSVC(7.5.7601.17514); Mon, 25 Mar 2013 13:02:09 +0100 Received: from Extensa ([195.241.183.120]) by CPSMTPM-TLF102.kpnxchange.com with Microsoft SMTPSVC(7.5.7601.17514); Mon, 25 Mar 2013 13:02:07 +0100 Message-ID: From: "PA1SDB, Peter" To: References: <7e4a43afb80a4c15a99b0c90279354e9@kabelmail.de> <51502F19.1020208@iup.uni-heidelberg.de> In-Reply-To: <51502F19.1020208@iup.uni-heidelberg.de> Date: Mon, 25 Mar 2013 12:02:07 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6001.18416 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18645 X-OriginalArrivalTime: 25 Mar 2013 12:02:07.0650 (UTC) FILETIME=[92BFF820:01CE2950] X-RcptDomain: blacksheep.org X-Spam-Score: 1.0 (+) 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: Hello Stefan, Thank you for sharing your experience. This is particularly important for newcomers in this band. They will throw the towel down to quick if they find nothing in the Spectogram's. I'm busy to decode a 2GB WAV recording that I made yesterday. But still nothing on that Acer S235 notebook. When I load VLF_stations.usr, the whole VLF becomes visible. So that works well, but unfortunately no sign of DJ8WX. I try now if I can see RSDN-20 [...] Content analysis details: (1.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [213.75.39.15 listed in list.dnswl.org] 1.0 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail) 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: bb13d668bd6c56d236c8970bb5dcbf33 Subject: Re: LF: No succes Sub9KHz and S235 notebook here.... Content-Type: multipart/alternative; boundary="----=_NextPart_000_128C_01CE2950.926CCF10" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=HTML_50_60,HTML_MESSAGE, MISSING_OUTLOOK_NAME 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: 3039ac1d4ad3515042ac44b9 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : temperror This is a multi-part message in MIME format. ------=_NextPart_000_128C_01CE2950.926CCF10 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 8bit Hello Stefan, Thank you for sharing your experience. This is particularly important for newcomers in this band. They will throw the towel down to quick if they find nothing in the Spectogram's. I'm busy to decode a 2GB WAV recording that I made yesterday. But still nothing on that Acer S235 notebook. When I load VLF_stations.usr, the whole VLF becomes visible. So that works well, but unfortunately no sign of DJ8WX. I try now if I can see RSDN-20 To be continued.... 73's, Peter PA1SDB ---- Original Message ----- From: Stefan Schäfer To: rsgb_lf_group@blacksheep.org Sent: Monday, March 25, 2013 11:03 AM Subject: Re: LF: No succes Sub9KHz and S235 notebook here.... Hi Peter, I know these problems. For a longer time i had problems on the TX side on LF (generating tones to the TX converter). Several phase glitches occured in a 30 minute period. In 424 uHz the S/N loss would be dramatic then. Ah yes and i remember the same problem while transmitting 8970 Hz in my 10th kite experiment. A screenshot of my transmission in 40.0 km distance and in 4.5 mHz: https://dl.dropbox.com/u/19882028/VLF/DFCW-600_DK7FC_10thEXP.jpg Here another one in 45 mHz ("DFCW-60"): https://dl.dropbox.com/u/19882028/VLF/DFCW-60_46607.jpg You can clearly see the glitches. And lastly the signal at TF3HZ https://dl.dropbox.com/u/19882028/VLF/DK7FC110206.jpg Here it is very blurry as well. The same can happen on the RX side of course. As a test you could track the signal of RSDN-20, e.g. on 11904.7619 Hz. This must be a stable line, over the day, except a single glitch at 21 UTC (?). All other glitches that appear in this line must be generated on your side! See the RSDN-20 window on my grabber http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.html (The trace is sometimes affected by my own LF/MF transmissions). 73, GL, Stefan/DK7FC Am 24.03.2013 15:46, schrieb PA1SDB, Peter: Hello all, I have here a ACER Extensa S235 notebook. I have "some" experience with Sub9KHz and spectrum lab, but with this notebook I am unable to receive signals from DJ8WX right now. Experiments in the past did also fail. I see other signals between 0 and 48 KHz, but no sign from DJ8WX. I use the same scipt like I run on my Grabber PC (www.qsl.net/pa1sdb) but around 8970 Hz is only noise visible in Spectrum lab. Today I ran that script ( http://www.qsl.net/pa1sdb/8970_424uHz.USR ) on a other (almost retro) ASUS 800 MHz notebook, and eureka, DJ8WX became visible. For some unknown reason it is an experiment worth to try another PC if you get succes. Still digging here to find out why it does'nt work... 73's, Peter PA1SDB ------=_NextPart_000_128C_01CE2950.926CCF10 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Hello Stefan,
Thank you for sharing your experience. This=20 is particularly important for newcomers in this band. They will throw the towel down to quick if they find nothing in the=20 Spectogram's.
I'm busy to decode a 2GB = WAV recording that I=20 made yesterday. But still nothing on that  Acer S235 notebook. When = I load=20 VLF_stations.usr, the whole VLF becomes visible. So that works well, but = unfortunately no sign of DJ8WX. I try now if I can see=20 RSDN-20
 
To be continued....
 
73's, Peter PA1SDB
 
 
 
 
 
 
---- Original Message -----
From:=20 Stefan = Sch=E4fer
Sent: Monday, March 25, 2013 = 11:03=20 AM
Subject: Re: LF: No succes = Sub9KHz and=20 S235 notebook here....

Hi Peter,

I know these problems. For a longer = time i=20 had problems on the TX side on LF (generating tones to the TX = converter).=20 Several phase glitches occured in a 30 minute period. In 424 uHz the = S/N loss=20 would be dramatic then.

Ah yes and i remember the same problem = while=20 transmitting 8970 Hz in my 10th kite experiment.
A screenshot of = my=20 transmission in 40.0 km distance and in 4.5 mHz: https://dl.dropbox.com/u/19882028/VLF/DFCW-600_DK7FC_10thEXP.jpg
= Here=20 another one in 45 mHz ("DFCW-60"): https://= dl.dropbox.com/u/19882028/VLF/DFCW-60_46607.jpg=20 You can clearly see the glitches.
And lastly the signal at TF3HZ https://dl= .dropbox.com/u/19882028/VLF/DK7FC110206.jpg=20 Here it is very blurry as well.

The same can happen on the RX = side of=20 course. As a test you could track the signal of  RSDN-20, e.g. on = 11904.7619 Hz. This must be a stable line, over the day, except a = single=20 glitch at 21 UTC (?). All other glitches that appear in this line must = be=20 generated on your side!
See the RSDN-20 window on my grabber http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.html= =20 (The trace is sometimes affected by my own LF/MF = transmissions).

73,=20 GL, Stefan/DK7FC



Am 24.03.2013 15:46, schrieb PA1SDB, = Peter:=20
Hello all,
I have here a ACER Extensa S235=20 notebook.
I have "some" experience with Sub9KHz and = spectrum=20 lab, but with this notebook I am unable to receive signals from DJ8WX right=20 now.
Experiments in the past did also fail. = I see=20 other signals between 0 and 48 KHz, but no sign from=20 DJ8WX.
I use the same scipt like = I run on my=20 Grabber PC (www.qsl.net/pa1sdb) but around 8970 Hz = is only=20 noise visible in Spectrum lab.
 
Today I ran that script ( http://www.qsl.net/pa1sdb/8970_424uHz.USR&nb= sp;)=20 on a other (almost retro) ASUS 800 MHz notebook, and eureka, DJ8WX = became=20 visible.
For some unknown reason it is an experiment worth to try another PC if you get=20 succes.
 
Still digging here to find = out why it=20 does'nt work...
 
73's, Peter=20 PA1SDB
 
 
 
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