Return-Path: Received: from mtain-de01.r1000.mx.aol.com (mtain-de01.r1000.mx.aol.com [172.29.64.201]) by air-db02.mail.aol.com (v129.4) with ESMTP id MAILINDB021-85ee4d768d461c3; Tue, 08 Mar 2011 15:10:46 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-de01.r1000.mx.aol.com (Internet Inbound) with ESMTP id CBF1B3800012B; Tue, 8 Mar 2011 15:10:43 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Px3De-0002BW-4p for rs_out_1@blacksheep.org; Tue, 08 Mar 2011 20:09:22 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Px3DO-0002BN-Uw for rsgb_lf_group@blacksheep.org; Tue, 08 Mar 2011 20:09:06 +0000 Received: from out1.ip05ir2.opaltelecom.net ([62.24.128.241]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Px3DL-0001TQ-V2 for rsgb_lf_group@blacksheep.org; Tue, 08 Mar 2011 20:09:06 +0000 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ah0BAPYadk1cHYeP/2dsb2JhbACDOnKEPY9Hji10rlyRIoEng0Z2BJAT X-IronPort-AV: E=Sophos;i="4.62,285,1297036800"; d="scan'208";a="334620756" Received: from unknown (HELO xphd97xgq27nyf) ([92.29.135.143]) by out1.ip05ir2.opaltelecom.net with SMTP; 08 Mar 2011 20:08:57 +0000 Message-ID: <00a601cbddcc$a735d120$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <749642B895394842B964AF7A4CD32F44@ns94d01ae4d850> <005901cbdd99$bfa46d30$0401a8c0@xphd97xgq27nyf> <007401cbdd9f$089a2750$0401a8c0@xphd97xgq27nyf> <008c01cbdda7$81e29c20$0401a8c0@xphd97xgq27nyf> <1299614352.2199.32.camel@gerhard-desktop> Date: Tue, 8 Mar 2011 20:08:55 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: 8.970.025Khz Content-Type: text/plain; charset="utf-8" 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-sid: 3039ac1d40c94d768d43141a X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Content-Transfer-Encoding: quoted-printable Gerhard In that case I will not bother with 9 kcs. I cannot wait all day or al= l month for a trace on a screen g3kev ----- Original Message ----- From: "Gerhard Hickl" To: Sent: Tuesday, March 08, 2011 7:59 PM Subject: Re: LF: 8.970.025Khz > Mal and group! > > "A couple of Hz"....is way too much off for seriously transmitting= on > VLF at low speeds. And low speeds are mostly required to detect the > signal. A drift of 100mHz is the minimum requirement for transmittin= g on > VLF, except you produce an outstanding strong signal at the site of > reception. > > Generating the TX-frequency by SpecLab while locking at the same tim= e > either to GPS (via 10kHz tone) or a stable VLF transmitter like DHO3= 8 or > GQD enables you to keep the drift within 1mHz or even lower. > > SO 954=C2=B5Hz/bin (for QRSS3000) or half of it for 6000 is a proper > resolution for receiving VLF. > > 73 > OE3GHB > Gerhard > > > > > > > > > > Am Dienstag, den 08.03.2011, 15:43 +0000 schrieb mal hamilton: > > Gary es Co > > Apart from antennas etc anyone a couple of hz off frequency will= not > > be seen, and like I said what I have seen so far are not that stab= le > > The aim surely on 9 kcs is to generate a reasonable erp that can= be > > copied at say QRS 60 or faster. > > g3kev > > > > ----- Original Message ----- > > From: Gary - G4WGT > > To: rsgb_lf_group@blacksheep.org > > Sent: Tuesday, March 08, 2011 3:12 PM > > Subject: Re: LF: 8.970.025Khz > > > > > > Hi Mal, > > > > > > I believe I would as well if I had the antenna's you have= but > > they won't fit in my small garden. > > > > > > Cheers, Gary - G4WGT. > > > > > > > > On 8 March 2011 14:42, mal hamilton > > wrote: > > That is why they see nothing except local signals.= I > > copied OE5ODL and DK7FC in QRS3. > > mal/vg3kev > > > > > > ----- Original Message ----- > > From: Gary - G4WGT > > To: rsgb_lf_group@blacksheep.org > > > > Sent: Tuesday, March 08, 2011 2:22 PM > > Subject: Re: LF: 8.970.025Khz > > > > > > Hi Mal, > > > > > > Most others are monitoring using half my > > bandwidth ie.Width of one FFT-bin: 423 uHz= , > > mine is 954 uHz. > > > > > > Cheers, Gary - G4WGT. > > > > > > On 8 March 2011 14:04, mal hamilton > > wrote: > > Gary > > Except a signal is extremely stabl= e > > your bandwidth is too narrow. Most= I > > have observed so far are not stabl= e. > > mal/g3kev > > > > ----- Original Message ---= -- > > From: Gary - G4WGT > > To: > > rsgb_lf_group@blacksheep.o= rg > > > > Sent: Tuesday, March 08,= 2011 > > 12:07 PM > > Subject: Re: LF: 8.970.025= Khz > > > > > > Hi All, > > > > > > 9kHz grabber back on, loop > > beamed ESE (approx 110 deg= ) > > from IO83qo. M0BMU pre-amp > > with 7kHz to 10kHz filter. > > > > > > http://dl.dropbox.com/u/15990181/9khz.jpg > > > > > > 73, Gary - G4WGT. > > > > On 8 March 2011 09:27, hen= ny > > van elst > > wrote: > > Tu Roger, > > > > the tx is still on > > henny pa3cpm > > 73's > > ----- Orig= inal > > Message --= --- > > From: Roge= r > > Lapthorn > > To: > > rsgb_lf_group@blacksheep.org > > Sent: Tues= day, > > March 08,= 2011 > > 9:35 AM > > Subject:= Re: > > LF: > > 8.970.025K= hz > > > > > > > > Henny > > > > > > Monitoring > > overnight= in > > 423uHz BW > > resulted= in no > > copy of yo= ur > > signal I= am > > afraid. > > > > > > 73s > > Roger G3XB= M > > > > Via my 2.4= GHz > > handheld= (iPod > > Touch 4g) > > > > On 7 Mar= 2011, > > at 21:47, > > "henny van > > elst" > > wrote: > > > > > > > > > Hi LF, > > > The tx= is > > > on, > > > > > > freq.8.970.025Khz > > > antenne > > > curent > > > 200mA, > > > Henny pa= 3cpm > > > 73's > > > > __________= ____ > > Geen virus > > gevonden= in > > dit berich= t. > > Gecontrole= erd > > door AVG= - > > www.avg.co= m > > Versie: > > 10.0.1204= / > > Virusdatab= ase: > > 1497/3489= - > > datum van > > uitgifte: > > 03/07/11 > > > > > > > > > > > > > > > > > > >