Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dl02.r1000.mx.aol.com (Internet Inbound) with ESMTP id 46DEA38000081; Sat, 22 Sep 2012 17:47:18 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1TFXX8-0005KU-RH for rs_out_1@blacksheep.org; Sat, 22 Sep 2012 22:46:42 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1TFXX8-0005KL-Co for rsgb_lf_group@blacksheep.org; Sat, 22 Sep 2012 22:46:42 +0100 Received: from relay.uni-heidelberg.de ([129.206.100.212]) by relay1.thorcom.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.77) (envelope-from ) id 1TFXX6-0000Zg-4y for rsgb_lf_group@blacksheep.org; Sat, 22 Sep 2012 22:46:41 +0100 Received: from freitag.iup.uni-heidelberg.de (freitag.iup.uni-heidelberg.de [129.206.29.204]) by relay.uni-heidelberg.de (8.14.1/8.14.1) with ESMTP id q8MLkTnR022198 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 22 Sep 2012 23:46:39 +0200 Received: from [129.206.22.206] (pc206.iup.uni-heidelberg.de [129.206.22.206]) by freitag.iup.uni-heidelberg.de (8.12.11.20060308/8.11.2) with ESMTP id q8MLkCRl023228 for ; Sat, 22 Sep 2012 23:46:25 +0200 Message-ID: <505E30D4.6090606@iup.uni-heidelberg.de> Date: Sat, 22 Sep 2012 23:42:44 +0200 From: =?ISO-8859-1?Q?Stefan_Sch=E4fer?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <41E179E8BC3D497AB344D966959A61C6@White> <505D0DB5.4080108@iup.uni-heidelberg.de> <386BA5055A494FEC9164314A593DCB8D@White> <000901cd98a8$7cd20a00$76761e00$@com> <505DB5C3.2040901@iup.uni-heidelberg.de> <972D0C66C74A41968A7D806701F5EDD6@AGB> <505E001A.4090301@iup.uni-heidelberg.de> <505E2797.9050007@iup.uni-heidelberg.de> <10B742EE384D4C1EA636D70E6F507C85@AGB> In-Reply-To: <10B742EE384D4C1EA636D70E6F507C85@AGB> X-Spam-Score: -1.2 (-) 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: Am 22.09.2012 23:28, schrieb Graham: > Yes , ref , your 8K test's some time ago , I remember you > reached TH3 ?? You mean TF3HZ? Yes, and 4X1RF. Not only, here is the summary of my /p tests https://dl.dropbox.com/u/19882028/VLF/VLF_11th_all.png But that was with 500W on a 300m vertical, not from this tiny antenna i'm using here in JN49IK. The 300m kite permission expired in the end of July. So now i'm limited to 100m again. 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You mean TF3HZ? Yes, and 4X1RF. Not only, here is the summary of my /p tests https://dl.dropbox.com/u/19882028/VLF/VLF_11th_all.png But that was with 500W on a 300m vertical, not from this tiny antenna i'm using here in JN49IK. The 300m kite permission expired in the end of July. So now i'm limited to 100m again. The ERP is about 20 dB lower here, i.e. below 1 mW. I can't make much more here, the isolators do only withstand 35 kV rms and i'm very close to that... > , Gary also had a trace from your signal. > short range ... Kent ? > Well , OP4H test , ground tests have been carried out in the > usa and several miniature test ranges using the output from a > sound card and a remote Rx at the end of the garden , giving > levels round -45 -50 dB with 'real' noise . OK, in the near field this is much easier as we have seen. Anyway, good start. 73, Stefan PS: So many emails today!! --------------010504010306080300040605 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit
Am 22.09.2012 23:28, schrieb Graham:
 
Yes  , ref , your  8K  test's  some  time ago  , I remember  you  reached  TH3  ??

You mean TF3HZ? Yes, and 4X1RF. Not only, here is the summary of my /p tests https://dl.dropbox.com/u/19882028/VLF/VLF_11th_all.png
But that was with 500W on a 300m vertical, not from this tiny antenna i'm using here in JN49IK. The 300m kite permission expired in the end of July. So now i'm limited to 100m again.

The ERP is about 20 dB lower here, i.e. below 1 mW. I can't make much more here, the isolators do only withstand 35 kV rms and i'm very close to that...

   , Gary  also  had a  trace  from your  signal.
short  range  ...   Kent ?
 
Well  , OP4H test  , ground  tests  have been  carried out  in the  usa  and several   miniature  test  ranges  using the  output  from a  sound card and a remote  Rx  at the  end of the  garden , giving  levels   round  -45 -50 dB with  'real'   noise  .
OK, in the near field this is much easier as we have seen. Anyway, good start.


73, Stefan

PS: So many emails today!! --------------010504010306080300040605--