Return-Path: Received: from mtain-ma04.r1000.mx.aol.com (mtain-ma04.r1000.mx.aol.com [172.29.96.12]) by air-de07.mail.aol.com (v127_r1.1) with ESMTP id MAILINDE074-5ebd4b9228cd333; Sat, 06 Mar 2010 05:05:01 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-ma04.r1000.mx.aol.com (Internet Inbound) with ESMTP id F1165380000B4; Sat, 6 Mar 2010 05:04:59 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Nnqrg-0007YL-38 for rs_out_1@blacksheep.org; Sat, 06 Mar 2010 10:04:08 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Nnqrf-0007YC-MQ for rsgb_lf_group@blacksheep.org; Sat, 06 Mar 2010 10:04:07 +0000 Received: from lnx500.hrz.tu-darmstadt.de ([130.83.156.225]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Nnqrd-0007JE-3l for rsgb_lf_group@blacksheep.org; Sat, 06 Mar 2010 10:04:07 +0000 Received: from FILE-SERVER-HST.hst.e-technik.tu-darmstadt.de (File-Server-HST.hst.e-technik.tu-darmstadt.de [130.83.212.129]) by lnx500.hrz.tu-darmstadt.de (8.14.2/8.14.2/HRZ/PMX) with SMTP id o26A41SZ006339 for ; Sat, 6 Mar 2010 11:04:01 +0100 (envelope-from schaefer@hst.tu-darmstadt.de) Received: from [127.0.0.1] (helo=File-Server-HST.hst.e-technik.tu-darmstadt.de) by FILE-SERVER-HST.hst.e-technik.tu-darmstadt.de with AVK MailGateway; for ; Sat, 06 Mar 2010 11:04:02 +0100 Content-class: urn:content-classes:message MIME-Version: 1.0 X-MimeOLE: Produced By Microsoft Exchange V6.5 Date: Sat, 6 Mar 2010 11:04:02 +0100 Message-ID: <38A51B74B884D74083D7950AD0DD85E82A1B34@File-Server-HST.hst.e-technik.tu-darmstadt.de> X-MS-Has-Attach: X-MS-TNEF-Correlator: <38A51B74B884D74083D7950AD0DD85E82A1B34@File-Server-HST.hst.e-technik.tu-darmstadt.de> Thread-Topic: AW: LF: Re: 9kHz noise level Thread-Index: Acq9AFtoJrXUcRmHSIW4bwsTlOeRvQAErWA4 References: <4B8E8027.3060809@iup.uni-heidelberg.de> <4B8EC9A9.80507@abelian.org> <38A51B74B884D74083D7950AD0DD85E82A1B31@File-Server-HST.hst.e-technik.tu-darmstadt.de> <4B9203FE.3000703@abelian.org> From: =?iso-8859-1?Q?Stefan_Sch=E4fer?= To: X-AVK-Virus-Check: AVB 19.717;31.01.2010 X-PMX-TU: seen v0.99a by 5.5.9.388399, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2010.3.6.95418 X-PMX-SPAMCHECK: outgoing mail X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Content-Type: multipart/mixed; boundary="----_=_NextPart_001_01CABD14.592087B2" Subject: AW: AW: LF: Re: 9kHz noise level X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none 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-VSS-INFO: 5400.1158/55874 X-AOL-VSS-CODE: clean x-aol-sid: 3039ac1d600c4b9228cb5e08 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) ------_=_NextPart_001_01CABD14.592087B2 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Very nice Paul! I hope i can generate a peak outcoming of the noise in the picture ;-) Yesterday i have got a PVC tube with 25cm diameter and 2m long. Additional= ly i have bought 0,4mm diameter enameled copper wire, abt 6km in one piece= (i can give back the rest). So today i try to wind the big L, abt 540mH!= Than, the internal R will be abt 350 Ohm, not less but no problem. As sai= d, the limiting factor will be the voltage at the wire... =20 73, Stefan/DK7FC ________________________________ Von: owner-rsgb_lf_group@blacksheep.org im Auftrag von Paul Nicholson Gesendet: Sa 06.03.2010 08:27 An: rsgb_lf_group@blacksheep.org Betreff: Re: AW: LF: Re: 9kHz noise level Stefan wrote: > I plan to transmit on 8,9700 kHz... > during the test i make QSY of some Hz if the RXing station > has a carrier/line on this QRG. Here's a live spectrum for 8970 +/- 1Hz - resolution is 5mH. Amplitude calibration is only within a factor of two or so. http://abelian.org/vlf/nb.shtml > do you know other members in the VLF group who live near > frankfurt? Ich habe die Frage gestellt. -- Paul Nicholson -- ------_=_NextPart_001_01CABD14.592087B2 Content-Type: application/ms-tnef; name="winmail.dat" Content-Transfer-Encoding: base64 eJ8+IgMKAQaQCAAEAAAAAAABAAEAAQeQBgAIAAAA5AQAAAAAAADoAAEIgAcAGAAAAElQTS5NaWNy b3NvZnQgTWFpbC5Ob3RlADEIAQ2ABAACAAAAAgACAAEEgAEAIQAAAEFXOiBBVzogTEY6IFJlOiA5 a0h6IG5vaXNlIGxldmVsAL0JAQWAAwAOAAAA2gcDAAYACwAEAAIABgABAQEggAMADgAAANoHAwAG AAsABAACAAYAAQEBCYABACEAAAA2OEQxRTJERjEwQzE0MTQ2QkFDRDYyRUI2NjlGNzFDRABbBwED kAYAVBAAADgAAAADADYAAAAAAEAAOQCyhyBZFL3KAR4APQABAAAABQAAAEFXOiAAAAAAAgFHAAEA AAAyAAAAYz1ERTthPSA7cD1IU1Q7bD1GSUxFLVNFUlZFUi1ILTEwMDMwNjEwMDQwMlotMTQ5MQAA AB4ASQABAAAAIQAAAFJlOiBBVzogTEY6IFJlOiA5a0h6IG5vaXNlIGxldmVsAAAAAEAATgAAU2eL /rzKAR4AWgABAAAAIwAAAG93bmVyLXJzZ2JfbGZfZ3JvdXBAYmxhY2tzaGVlcC5vcmcAAAIBWwAB AAAAYwAAAAAAAACBKx+kvqMQGZ1uAN0BD1QCAAAAAG93bmVyLXJzZ2JfbGZfZ3JvdXBAYmxhY2tz aGVlcC5vcmcAU01UUABvd25lci1yc2diX2xmX2dyb3VwQGJsYWNrc2hlZXAub3JnAAACAVwAAQAA 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