Return-Path: Received: from mtain-mj07.r1000.mx.aol.com (mtain-mj07.r1000.mail.aol.com [172.21.164.91]) by air-ma01.mail.aol.com (v129.4) with ESMTP id MAILINMA013-b4f14c1339ff3cd; Sat, 12 Jun 2010 03:40:47 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mj07.r1000.mx.aol.com (Internet Inbound) with ESMTP id 83EDD38000093; Sat, 12 Jun 2010 03:40:44 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ONLJv-000117-CL for rs_out_1@blacksheep.org; Sat, 12 Jun 2010 08:39:59 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ONLJu-00010w-VB for rsgb_lf_group@blacksheep.org; Sat, 12 Jun 2010 08:39:58 +0100 Received: from out1.ip08ir2.opaltelecom.net ([62.24.128.244]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1ONLJr-0005EU-Sf for rsgb_lf_group@blacksheep.org; Sat, 12 Jun 2010 08:39:58 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AuEFADfWEkxcEYXJ/2dsb2JhbACBQ5EqjBVxvmiFGAQ X-IronPort-AV: E=Sophos;i="4.53,407,1272841200"; d="scan'208,217";a="450516013" Received: from unknown (HELO xphd97xgq27nyf) ([92.17.133.201]) by out1.ip08ir2.opaltelecom.net with SMTP; 12 Jun 2010 08:39:48 +0100 Message-ID: <001701cb0a02$6b689720$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <002401cb096b$7d950560$0401a8c0@xphd97xgq27nyf> <003a01cb097f$640755d0$0401a8c0@xphd97xgq27nyf> <4C12878A.4080909@gmx.com> Date: Sat, 12 Jun 2010 08:39:41 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: Re: HV-Transformer experiment on 9kc Content-Type: multipart/alternative; boundary="----=_NextPart_000_0014_01CB0A0A.CCF3C6B0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.2 required=5.0 tests=HTML_50_60,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: 3039400c89ae4c1339fc4052 X-AOL-IP: 193.82.116.20 ------=_NextPart_000_0014_01CB0A0A.CCF3C6B0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable A TV line output transformer worked at 15 kcs NOT 50/60 Hz. I use LOPT= cores which are 3C material on 137 and 500 and are perfect for the= job. mal/g3kev =20 ----- Original Message -----=20 From: Wolf Ostwald=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Saturday, June 12, 2010 8:26 AM Subject: LF: HV-Transformer experiment on 9kc Hi amigos groupos ! I tried the secondary of a HV transformer today to load the vertical= as a series load inductance, after inserting it, the Alpha signals we= re gone. Removing it restored the signals.Fact is, a 50/60 Hz core has= way too much attenuation on 9kcs to be suitable, although it had a ni= ce inductivity , it always repeats itself : "there is no such thing as= a free lunch in physics" 73 de wolf df2py & di2bj =20 ------=_NextPart_000_0014_01CB0A0A.CCF3C6B0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
A TV line output transformer worked= at 15 kcs NOT=20 50/60 Hz. I use LOPT cores which are 3C material  on 137  an= d 500 and=20 are perfect for the job.
mal/g3kev
 
----- Original Message -----
From:=20 Wolf= Ostwald=20
Sent: Saturday, June 12, 2010= 8:26=20 AM
Subject: LF: HV-Transformer= experiment on=20 9kc

Hi amigos groupos !

I tried the secondary of a HV= transformer today to=20 load the vertical as a series load inductance, after inserting it,= the Alpha=20 signals were gone. Removing it restored the signals.Fact is, a 50/60= Hz core=20 has way too much attenuation on 9kcs to be suitable, although it had= a nice=20 inductivity , it always repeats itself : =93there is no such thing= as a free=20 lunch in physics=94

73 de wolf   df2py= &=20 di2bj

 

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