Return-Path: Received: from mtain-dl03.r1000.mx.aol.com (mtain-dl03.r1000.mx.aol.com [172.29.74.209]) by air-ma02.mail.aol.com (v129.10) with ESMTP id MAILINMA023-b4f54dcedbfa205; Sat, 14 May 2011 15:46:02 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dl03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 1B60238000088; Sat, 14 May 2011 15:46:00 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1QLKlR-0004LM-1N for rs_out_1@blacksheep.org; Sat, 14 May 2011 20:44:37 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1QLKlQ-0004LD-6d for rsgb_lf_group@blacksheep.org; Sat, 14 May 2011 20:44:36 +0100 Received: from relay.uni-heidelberg.de ([129.206.100.212]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1QLKlP-0007aX-Lv for rsgb_lf_group@blacksheep.org; Sat, 14 May 2011 20:44:36 +0100 Received: from ix.urz.uni-heidelberg.de (cyrus-portal.urz.uni-heidelberg.de [129.206.100.176]) by relay.uni-heidelberg.de (8.14.1/8.14.1) with ESMTP id p4EJiY41027403 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 14 May 2011 21:44:34 +0200 Received: from extmail.urz.uni-heidelberg.de (extmail.urz.uni-heidelberg.de [129.206.100.140]) by ix.urz.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id p4EJiY1n019293 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 14 May 2011 21:44:34 +0200 Received: from [129.206.205.203] (vpn205-203.rzuser.uni-heidelberg.de [129.206.205.203]) by extmail.urz.uni-heidelberg.de (8.13.4/8.13.1) with ESMTP id p4EJiV2Y023877 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 14 May 2011 21:44:33 +0200 Message-ID: <4DCEDBB3.1020808@iup.uni-heidelberg.de> Date: Sat, 14 May 2011 21:44:51 +0200 From: =?ISO-8859-1?Q?Stefan_Sch=E4fer?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.11) Gecko/20100711 Thunderbird/3.0.6 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <80703.53770.qm@web28515.mail.ukl.yahoo.com> In-Reply-To: X-Spam-Score: 1.6 (+) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,HTML_TAG_EXIST_TBODY=0.126,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: Re: VLF - G3XIZ - 14th May 2011 Content-Type: multipart/alternative; boundary="------------070304010108050402070001" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.1 required=5.0 tests=HTML_40_50,HTML_MESSAGE, HTML_TAG_EXISTS_TBODY,HTML_TITLE_EMPTY 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: 3039ac1d4ad14dcedbf814d2 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) --------------070304010108050402070001 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Hello Ken, Well, it is difficult to comment this if i have no impression of the wideband view between the different antennas. The filter is a 3 stage LPF, cut off at about 13 kHz. Generally the probe works well so it may be a problem of grounding or something elso is wrong. What is your RX, i simple soundcard? Could be interesting to compare different wideband screens! 73, Stefan/DK7FC Am 14.05.2011 14:35, schrieb Ken: > LF. > I saw a very faint trace about 10.00UTC using my 'T' antenna at a > height of 8M, but nothing on the E-Probe at 5M on a non-metalic pole, > the distance between Chris and myself is about 15-18km, I would be > grateful for your comments Stefan. Also what are the charicteristics > of the filter between the two FETs? > 73s > Ken > M0KHW > > ----- Original Message ----- > *From:* Chris Osborn > *To:* LF Group > *Cc:* Paul Nicholson > *Sent:* Friday, May 13, 2011 7:57 PM > *Subject:* LF: VLF - G3XIZ - 14th May 2011 > > LF, > I shall be transmitting on VLF tomorrow: 14th May: > Time: From 04.00 Z for several hours. > QRG: 8.976 661 6 kHz > Loc: IO 92 UB > Power: 120 watts RF > Aer: 40m inverted L, height 10m > Mode: Constant carrier > This should be my last transmission on the existing aerial system > as I shall be soon making improvements. > Consequently reports will be especially welcomed. > 73 Chris G3XIZ > --------------070304010108050402070001 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Hello Ken,

Well, it is difficult to comment this if i have no impression of the wideband view between the different antennas. The filter is a 3 stage LPF, cut off at about 13 kHz. Generally the probe works well so it may be a problem of grounding or something elso is wrong. What is your RX, i simple soundcard?
Could be interesting to compare different wideband screens!

73, Stefan/DK7FC

Am 14.05.2011 14:35, schrieb Ken:
LF.
I saw a very faint trace about 10.00UTC using my 'T' antenna at a height of 8M, but nothing on the E-Probe at 5M on a non-metalic pole, the distance between Chris and myself is about 15-18km, I would be grateful for your comments Stefan. Also what are the charicteristics of the filter between the two FETs?
 
73s
 
Ken
 
M0KHW 
----- Original Message -----
Sent: Friday, May 13, 2011 7:57 PM
Subject: LF: VLF - G3XIZ - 14th May 2011

LF,
 
I shall be transmitting on VLF tomorrow: 14th May:
 
 
Time:     From 04.00 Z for several hours.
QRG:     8.976 661 6 kHz
Loc:       IO 92 UB
Power:   120 watts RF
Aer:       40m inverted L, height 10m
Mode:    Constant carrier
 
This should be my last transmission on the existing aerial system as I shall be soon making improvements.
Consequently reports will be especially welcomed.
 
73 Chris G3XIZ
--------------070304010108050402070001--