Return-Path: Received: (qmail 15351 invoked from network); 21 Mar 1999 00:19:21 -0000 Received: from magnus.plus.net.uk (HELO magnus.force9.net) (195.166.128.27) by medusa.plus.net.uk with SMTP; 21 Mar 1999 00:19:21 -0000 Received: (qmail 32598 invoked from network); 21 Mar 1999 00:22:05 -0000 Received: from post.thorcom.com (194.75.130.70) by magnus.plus.net.uk with SMTP; 21 Mar 1999 00:22:05 -0000 Received: from troy.blacksheep.org ([194.75.183.50] ident=root) by post.thorcom.com with esmtp (Exim 2.04 #3) id 10OVzq-0003sW-01; Sun, 21 Mar 1999 00:21:42 +0000 Received: (from root@localhost) by troy.blacksheep.org (8.6.12/8.6.12) id AAA01033 for rsgb_lf_group-outgoing; Sun, 21 Mar 1999 00:17:31 GMT Received: from post.thorcom.com (root@post.unica.co.uk [194.75.183.70]) by troy.blacksheep.org (8.6.12/8.6.12) with ESMTP id XAA00381 for ; Sat, 20 Mar 1999 23:54:06 GMT Received: from m4.bigpond.net.au ([24.192.1.19]) by post.thorcom.com with esmtp (Exim 2.04 #3) id 10OVc1-000233-00 for rsgb_lf_group@blacksheep.org; Sat, 20 Mar 1999 23:57:06 +0000 Received: from m5.bigpond.net.au (m5.bigpond.net.au [24.192.1.20]) by m4.bigpond.net.au (8.8.6 (PHNE_14041)/8.8.6) with ESMTP id KAA24028 for ; Sun, 21 Mar 1999 10:52:44 +1100 (EDT) Received: from graeme (CPE-24-192-24-106.vic.bigpond.net.au [24.192.24.106]) by m5.bigpond.net.au (8.8.6 (PHNE_14041)/8.8.6) with SMTP id KAA14089 for ; Sun, 21 Mar 1999 10:52:44 +1100 (EDT) Message-ID: <005b01be732c$0ad46700$6a18c018@vic.bigpond.net.au> From: "Graeme Zimmer" To: rsgb_lf_group@blacksheep.org Subject: LF: Re: Re: LF - early April 1st question Date: Sun, 21 Mar 1999 10:47:40 +1100 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 5.00.0810.800 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org Dear Johan, >It's easy to produce an E (electric) field and It's equally easy to produce an H >(magnetic) field. However, it is quite difficult to "convince" these two separate fields >to join and create a Poynting vector This is indeed a facinating topic. Would you care to elaborate "Why" it is dificult to get then to combine ? Is it not enough to get their phases correct ? (Or is it phases and/or polarisation vectors ?) ...................Zim ........... Vk3GJZ