Return-Path: Received: from mtain-db01.r1000.mx.aol.com (mtain-db01.r1000.mx.aol.com [172.29.64.85]) by air-mc05.mail.aol.com (v127_r1.1) with ESMTP id MAILINMC053-a9694b9755e42fe; Wed, 10 Mar 2010 03:18:44 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-db01.r1000.mx.aol.com (Internet Inbound) with ESMTP id 72E9D380000BB; Wed, 10 Mar 2010 03:18:42 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1NpH6A-0000k4-Ul for rs_out_1@blacksheep.org; Wed, 10 Mar 2010 08:16:58 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1NpH6A-0000jv-EL for rsgb_lf_group@blacksheep.org; Wed, 10 Mar 2010 08:16:58 +0000 Received: from thsmsgxrt12p.thalesgroup.com ([192.54.144.135]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1NpH68-0000pR-Ol for rsgb_lf_group@blacksheep.org; Wed, 10 Mar 2010 08:16:58 +0000 Received: from thsmsgirt26p.corp.thales (unknown [10.33.231.4]) by thsmsgxrt12p.thalesgroup.com (Postfix) with ESMTP id D828C41D176 for ; Wed, 10 Mar 2010 09:16:50 +0100 (CET) Received: from thsmsgiav11p.corp.thales (10.33.231.31) by thsmsgirt26p.corp.thales (8.5.103) id 4B0E992300D01DDC for rsgb_lf_group@blacksheep.org; Wed, 10 Mar 2010 09:16:50 +0100 Received: from (unknown [10.33.231.2]) by thsmsgiav11p.corp.thales with smtp id 235b_22f0_476a8508_2c1d_11df_850c_001143d32df6; Wed, 10 Mar 2010 09:16:50 +0100 Received: from NODALNET.clb.tcfr.thales (unknown [10.33.8.19]) by thsmsgirt12p.corp.thales (Postfix) with ESMTP id AFF97391BC0 for ; Wed, 10 Mar 2010 09:16:50 +0100 (CET) Received: by nodalnet.clb.tcfr.thales with Internet Mail Service (5.5.2653.19) id ; Wed, 10 Mar 2010 09:16:50 +0100 Message-ID: From: Jean-Louis.RAULT@fr.thalesgroup.com To: rsgb_lf_group@blacksheep.org Date: Wed, 10 Mar 2010 09:16:53 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) X-Spam-Score: 1.7 (+) X-Spam-Report: autolearn=disabled,NO_REAL_NAME=0.55,SUBJ_ALL_CAPS=1.166 Subject: RE: LF: KITE ANT Content-Type: text/plain X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=NO_REAL_NAME,SUBJ_ALL_CAPS 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: 3039ac1d40554b9755e2779e X-AOL-IP: 193.82.116.20 Hi all May I ask you to pay some attention on the three following issues related to balloon/kite aerials ? - using "high" altitude kites or balloons is often subject to a formal authorization (at least in France, and specially if you expect to use the aerial close to an airfield) - even when weather is very good, very high DC voltages (many kV) can appear (from natural local electric field) on the antenna wire. DC grounding of the wire is therefore mandatory - avoid any AC HV lines (or schools, or roads, or irritable neighbours) in the vicinity of your experiment area. Regards Jean-Louis F6AGR