Return-Path: Received: from mtain-da06.r1000.mx.aol.com (mtain-da06.r1000.mx.aol.com [172.29.64.78]) by air-md07.mail.aol.com (v129.4) with ESMTP id MAILINMD073-8b8e4d69859e364; Sat, 26 Feb 2011 17:58:38 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-da06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 232713800009E; Sat, 26 Feb 2011 17:58:36 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PtT53-00033A-Vq for rs_out_1@blacksheep.org; Sat, 26 Feb 2011 22:57:41 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PtT53-000331-Ci for rsgb_lf_group@blacksheep.org; Sat, 26 Feb 2011 22:57:41 +0000 Received: from imr-da04.mx.aol.com ([205.188.105.146]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PtT50-00027N-VN for rsgb_lf_group@blacksheep.org; Sat, 26 Feb 2011 22:57:41 +0000 Received: from mtaout-db04.r1000.mx.aol.com (mtaout-db04.r1000.mx.aol.com [172.29.51.196]) by imr-da04.mx.aol.com (8.14.1/8.14.1) with ESMTP id p1QMvVP9013173 for ; Sat, 26 Feb 2011 17:57:31 -0500 Received: from White (nrbg-4dbfb173.pool.mediaWays.net [77.191.177.115]) by mtaout-db04.r1000.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id 7548FE0000F7 for ; Sat, 26 Feb 2011 17:57:30 -0500 (EST) Message-ID: <5A696ABE906A4DA0B4C059332F50E124@White> From: "Markus Vester" To: References: <4D68D907.1000005@iup.uni-heidelberg.de> <1298717758.4379.2.camel@gerhard-desktop> <483B525F6C7E42D1B5D226AB3E96611D@White> Date: Sat, 26 Feb 2011 23:57:45 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 12.0.1606 X-MimeOLE: Produced By Microsoft MimeOLE V12.0.1606 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: VLF: OE5ODL,OE3GHB and DF6NM on 8970 Hz Content-Type: multipart/alternative; boundary="----=_NextPart_000_0034_01CBD610.F6B1F670" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=HTML_30_40,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: 3039ac1d404e4d69859b6b15 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none ------=_NextPart_000_0034_01CBD610.F6B1F670 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable The VLF transmission has ended at 22:10 UT.=20 I was surprised and delighted to see that our three signals were visib= le so well in the DK7FC 0.42 mHz "6000" window. This also highlights= the effect of Stefan's receiver optimizations. In October last year,= my same feeble signal needed several hours to make it in 47 uHz. And SpecLab's MSK-based samplerate lock did a perfect job - the carrie= r was continuously on for more than 8 hours, without a single phase gl= itch. Thanks Wolfgang for implementing this very helpful function! Best regards, MArkus (DF6NM) From: Markus Vester=20 Sent: Saturday, February 26, 2011 5:07 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: VLF: OE5ODL,OE3GHB and DF6NM on 8970 Hz Receiving DHO is fine, but after a hint from Stefan I discovered that= I had the "measure only" box ticked in the samplerate detector - doo!= That's why my signal was drifting up on in the 6000 window at DK7FC..= .=20 Corrected now at 16:00 UT. Best 73,=20 Markus (DF6NM) From: Markus Vester=20 Sent: Saturday, February 26, 2011 2:27 PM To: rsgb_lf_group@blacksheep.org=20 Subject: VLF: OE5ODL,OE3GHB and DF6NM on 8970 Hz OE3GHB is on 8969.980, OE5ODL currently on 8970.0045. At 13:10 I have joined in on 8970.002, radiating about 5 uW EMRP from= 0.28 A into my home antenna. DHO 23.4 kHz is received simultaneously= by a small ferrite antenna to lock the TX samplerate. Best 73, Markus (DF6NM) From: Gerhard Hickl=20 Sent: Saturday, February 26, 2011 11:55 AM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: VLF: OE5ODL and OE3GHB active on 8970 Hz Hi Stefan and group! In the moment I'm running on GPS-Sync and will switch to DHO38-Lock in= a few minutes. I'm curious about the stability. Antenna-current is as usual about 550-580mA. Beside my plan to run a QRSS10 X-Band QSO with OK2BVG soon, no further= plans right now. 73 OE3GHB Gerhard Am Samstag, den 26.02.2011, 11:42 +0100 schrieb Stefan Sch=C3=A4fer: LF, The season is slowly passing, the average QRN is significantly rising.= But today the QRN is low and both Austrian VLF TX stations are transm= itting. OE3GHB is about 15 dB above noise in 424 uHz on 8969.98 Hz. Some new projects on your side? There's not much activity these days..= . 73, Stefan/DK7FC ------=_NextPart_000_0034_01CBD610.F6B1F670 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
The VLF transmission has ended&n= bsp;at 22:10=20 UT.
 
I was surprised and delighted to see= that our three=20 signals were visible so well in the DK7FC 0.42 mHz "6000" wi= ndow. This=20 also highlights the effect of Stefan's receiver optimizations. In= October=20 last year, my same feeble signal needed several hours to mak= e=20 it in 47 uHz.
 
And SpecLab's MSK-based samplerate lo= ck did a=20 perfect job - the carrier was continuously on for more than 8=20 hours, without a single phase glitch. Thanks Wolfgang for im= plementing=20 this very helpful function!
 
Best regards,
MArkus (DF6NM)

From: Markus Vester
Sent: Saturday, February 26, 2011 5:07 PM
Subject: Re: VLF: OE5ODL,OE3GHB and DF6NM on 8970=20 Hz

Receiving DHO is fine, but after a hi= nt from Stefan=20 I discovered that I had the "measure only" box ticked in the samplerat= e detector=20 - doo! That's why my signal was drifting up on in the 6000 window at= DK7FC...=20
 
Corrected now at 16:00 UT.
 
Best 73,
Markus (DF6NM)
 

From: Markus Vester
Sent: Saturday, February 26, 2011 2:27 PM
Subject: VLF: OE5ODL,OE3GHB and DF6NM on 8970 Hz

OE3GHB is on 8969.980, OE5ODL current= ly on=20 8970.0045.
 
At 13:10 I have joined in o= n 8970.002,=20 radiating about 5 uW EMRP from 0.28 A into my home antenna. = DHO 23.4=20 kHz is received simultaneously by a small ferrite antenna to lock the= TX=20 samplerate.
 
Best 73,
Markus (DF6NM)
 

Sent: Saturday, February 26, 2011 11:55 AM
Subject: Re: VLF: OE5ODL and OE3GHB active on 8970=20 Hz

Hi=20 Stefan and group!

In the moment I'm running on GPS-Sync and wil= l switch=20 to DHO38-Lock in a few minutes. I'm curious about the=20 stability.

Antenna-current is as usual about 550-580mA.

= Beside my=20 plan to run a QRSS10 X-Band QSO with OK2BVG soon, no further plans rig= ht=20 now.

73

OE3GHB
Gerhard



Am Samstag, den= =20 26.02.2011, 11:42 +0100 schrieb Stefan Sch=C3=A4fer:
LF,

The= season is=20 slowly passing, the average QRN is significantly rising. But toda= y the QRN=20 is low and both Austrian VLF TX stations are transmitting. OE3GHB= is about=20 15 dB above noise in 424 uHz on 8969.98 Hz.

Some new projects= on your=20 side? There's not much activity these days...

73,=20 Stefan/DK7FC



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