Return-Path: Received: (qmail 2531 invoked from network); 29 Mar 2001 21:39:20 -0000 Received: from unknown (HELO murphys-inbound.servers.plus.net) (212.159.14.225) by excalibur.plus.net with SMTP; 29 Mar 2001 21:39:20 -0000 Received: (qmail 19398 invoked from network); 29 Mar 2001 21:39:14 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by murphys with SMTP; 29 Mar 2001 21:39:14 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.16 #2) id 14ik1x-0003Wa-00 for rsgb_lf_group-outgoing@blacksheep.org; Thu, 29 Mar 2001 22:32:33 +0100 Received: from carbon.btinternet.com ([194.73.73.92]) by post.thorcom.com with esmtp (Exim 3.16 #2) id 14ik1w-0003WV-00 for rsgb_lf_group@blacksheep.org; Thu, 29 Mar 2001 22:32:32 +0100 Received: from [213.122.162.203] (helo=j1r9b7) by carbon.btinternet.com with smtp (Exim 3.03 #83) id 14ik1R-0002f9-00 for rsgb_lf_group@blacksheep.org; Thu, 29 Mar 2001 22:32:01 +0100 Message-ID: <004901c0b897$a06dd960$a047073e@j1r9b7> From: "Derek Atter" To: rsgb_lf_group@blacksheep.org References: <14gpKS-1kYC0WC@fwd04.sul.t-online.com> <14h8HU-0thmHAC@fwd06.sul.t-online.com> <14i0Fh-1gkX5sC@fwd06.sul.t-online.com> Subject: LF: Re: PVC Date: Thu, 29 Mar 2001 22:30:57 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2919.6600 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Uwe, According to my reference book the dielectric constant (permittivity) of PVC varies slightly with frequency. At 1khz the value is given as 3.1 and at 1Mhz as 2.88. I hope this helps ! 73, de Derek G3GRO ----- Original Message ----- From: "jannsen" <0482183881-0001@t-online.de> To: Sent: Tuesday, March 27, 2001 9:39 PM Subject: LF: PVC > Hi group, > > is there any who knows or can look up the - ah I do`nt know the correct word - > elecric property constant (dielektrizitätskonstante in the german language) > for PVC ? ok, glass has 2 -12, air 1, ceramic 100 -10000. PVC is not on my > list. > tks for the answer in advance > Uwe/dj8wx > > >