Return-Path: Received: from rly-dc03.mx.aol.com (rly-dc03.mail.aol.com [172.19.136.32]) by air-dc10.mail.aol.com (v124.15) with ESMTP id MAILINDC101-b114a54d81231b; Wed, 08 Jul 2009 13:32:17 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-dc03.mx.aol.com (v124.15) with ESMTP id MAILRELAYINDC035-b114a54d81231b; Wed, 08 Jul 2009 13:32:05 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1MOayt-0007KE-MJ for rs_out_1@blacksheep.org; Wed, 08 Jul 2009 18:30:55 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1MOayt-0007K5-6r for rsgb_lf_group@blacksheep.org; Wed, 08 Jul 2009 18:30:55 +0100 Received: from mail-fx0-f222.google.com ([209.85.220.222]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1MOayo-0005dz-A4 for rsgb_lf_group@blacksheep.org; Wed, 08 Jul 2009 18:30:50 +0100 Received: by fxm22 with SMTP id 22so6623608fxm.4 for ; Wed, 08 Jul 2009 10:30:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=me8RpoU3oAs2RDVu+u6br4U7+dcPaHtHvMow+pY0IS8=; b=gAdVNI6ashX5OrR5Bsj8Fqgflgefu/QvxYHyixRcAr7kAgj8O66f1NHhHh/ma1zGWZ WagAkrGRMr/1RozAvzpHyrnLzeLBBNySS7iLIFooj1geMb5yZcUhRuJNnEFv9s6i2Q4j 0rS7/O5/p/2fX8GjiWsRA40RArQjIeh1danWs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=RFFDI1DBvbO25goYdgd1VG2h7HyDuzSw3FRj1WmrwqnKdLqzeqCiXnLe4z7/wp5u4k y1f6YrWEG3ytKRyZY2BbHYOraP1LDo67dAgktb0QeRsWokRFozq8vbvdmKmW++h+lO30 LcM2c2UTk2J+R6r3hQtriIhZ3Oezs8s5Ub4Io= MIME-Version: 1.0 Received: by 10.239.171.143 with SMTP id w15mr628878hbe.119.1247074247686; Wed, 08 Jul 2009 10:30:47 -0700 (PDT) In-Reply-To: <4A548D6B.3070504@btconnect.com> References: <001001c9ffc1$9cb7ec00$6401a8c0@asus> <4A548D6B.3070504@btconnect.com> Date: Wed, 8 Jul 2009 18:30:47 +0100 Message-ID: From: Andy Talbot To: rsgb_lf_group@blacksheep.org X-Karma: unknown: DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: G4WGT Grabber Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit 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-IP: 193.82.116.20 X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-d288.1 ; domain : googlemail.com DKIM : pass X-Mailer: Unknown (No Version) They are lmeasured in different ways. The noise measurement (black trace) is measured over the complete preceding 1 nminute period so approximates a good average. The signals, however, are measured only in the five second interval from :25 to :30 wher ethe beacon transmit full carrier. More info can be found on the RSGB 5MHz Working Group website as this beacon uses teh same format as those in its Tx pattern, although the pulsed sounder has been replaced with a PSK31 transmission on mine. Andy www.g4jnt.com 2009/7/8 Richard Newstead : > Gary - G4WGT wrote: >> >> Andy, LF, >> >> Thank you Andy, I was about to place an answer to David's query, his >> question has prompted me to add a little more info on the grabber page. >> >> Thanks to you both. >> >> Gary - G4WGT. >> >> >> > > Gary > > Why don't the blue and green traces follow the noise? > > 73 > > Richard > G3CWI > > >