Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_MED,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: EATSERVER: mailn 1166; Body=2 Fuz1=2 Fuz2=2 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by lipkowski.org (8.14.4/8.14.4/Debian-8+deb8u1) with ESMTP id v0QFA9YX022191 for ; Thu, 26 Jan 2017 16:10:11 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1cWlbY-0006pO-Qd for rs_out_1@blacksheep.org; Thu, 26 Jan 2017 15:04:52 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1cWlbW-0006pF-FA for rsgb_lf_group@blacksheep.org; Thu, 26 Jan 2017 15:04:50 +0000 Received: from mout02.posteo.de ([185.67.36.66]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.87) (envelope-from ) id 1cWlbS-00038H-4Z for rsgb_lf_group@blacksheep.org; Thu, 26 Jan 2017 15:04:49 +0000 Received: from submission (posteo.de [89.146.220.130]) by mout02.posteo.de (Postfix) with ESMTPS id EB76320A64 for ; Thu, 26 Jan 2017 16:04:44 +0100 (CET) Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 3v8QF84QGPz105p for ; Thu, 26 Jan 2017 16:04:44 +0100 (CET) Message-ID: <588A100B.70803@posteo.de> Date: Thu, 26 Jan 2017 16:04:43 +0100 From: DK7FC 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: <6188591.960.1485437867816@wamui-mosaic.atl.sa.earthlink.net> In-Reply-To: <6188591.960.1485437867816@wamui-mosaic.atl.sa.earthlink.net> X-Scan-Signature: e4383209d2ccb9552700d53c0b540538 Subject: VLF: Who is transmitting on 8270 Hz? Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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-Scanned-By: MIMEDefang 2.75 Status: RO X-Status: X-Keywords: X-UID: 10342 Hi all, To my surprise i discovered a constant carrier on 8270 Hz on my grabber: http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber2.html It has about 18 dB SNR in 47 uHz. I don't think this is an artifact or so. So who is on the air? :-) 73, Stefan