Return-Path: Received: (qmail 69377 invoked from network); 12 Dec 2003 22:10:22 -0000 Received: from unknown (HELO netmail00.services.quay.plus.net) (212.159.14.218) by ptb-mailstore with SMTP; 12 Dec 2003 22:10:22 -0000 Received: (qmail 2940 invoked from network); 12 Dec 2003 22:10:22 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from post.thorcom.com (193.82.116.20) by netmail00.services.quay.plus.net with SMTP; 12 Dec 2003 22:10:16 -0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1AUvTc-0006wj-U2 for rs_out@blacksheep.org; Fri, 12 Dec 2003 22:09:36 +0000 Received: from [165.254.4.18] (helo=mail.mcf.com) by post.thorcom.com with esmtp (Exim 4.14) id 1AUvTb-0006wa-Ko for rsgb_lf_group@blacksheep.org; Fri, 12 Dec 2003 22:09:35 +0000 X-Fake-Domain: vaiosn Received: from vaiosn (66.65.127.140) by mail.mcf.com with ESMTP (Eudora Internet Mail Server 3.2.2) for ; Fri, 12 Dec 2003 17:09:35 -0500 X-Bad-Message-ID: no DNS (vaiosn) Message-ID: <004501c3c0fc$9bc24e80$0401a8c0@vaiosn> From: "Stewart Nelson" To: rsgb_lf_group@blacksheep.org References: <000001c3c0d6$5d0419b0$fce8c593@rsch15> Date: Fri, 12 Dec 2003 14:09:26 -0800 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2720.3000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: LF: Related Technical Query - Soundcard calibrator Content-Type: multipart/mixed; boundary="------------020803020808010606020002" X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on post.thorcom.com X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,HTML_MESSAGE autolearn=no version=2.60 X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-Spam-Rating: 2 This is a multi-part message in MIME format. --------------020803020808010606020002 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: 8bit

Hi all,

Jim solved the noise generator puzzle!

His key observation is:

The complete story has been posted to

http://www.scgroup.com/ham/Noisegen.pdf

It's not all easy as pi :)

73,

Stewart KK7KA

> Dear Andy, Stewart et al,
>
> I have written my noise voltage calculation as a word document. There
> are plenty of 'pi's in it, but they all disappear by the time you get to
> the end, which may be good or bad. The word file is about 30kB - I'm not
> sure, but it may require the equation editor feature of word to be
> installed to display properly. I also converted it to a pdf file, which
> by the miracles of data compression came out to be 110kB, but hopefully
> should display OK. Both are too big for the reflector, so I will send
> them out separately to whoever asks.

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