Return-Path: Received: (qmail 25204 invoked from network); 11 Aug 1999 19:26:27 +0100 Received: from cask.force9.net (195.166.128.29) by guiness.force9.net with SMTP; 11 Aug 1999 19:26:27 +0100 Content-Type: text/plain; charset=iso-8859-1; format=flowed Received: (qmail 5384 invoked from network); 11 Aug 1999 18:26:29 -0000 Content-Transfer-Encoding: 8bit Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by cask.force9.net with SMTP; 11 Aug 1999 18:26:29 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from majordom by post.thorcom.com with local (Exim 3.02 #1) id 11Ecqz-0001qp-00 for rsgb_lf_group-outgoing@blacksheep.org; Wed, 11 Aug 1999 19:11:57 +0100 Received: from finch-post-12.mail.demon.net ([194.217.242.41]) by post.thorcom.com with esmtp (Exim 3.02 #1) id 11Ecqz-0001qk-00 for rsgb_lf_group@blacksheep.org; Wed, 11 Aug 1999 19:11:57 +0100 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from dennison.demon.co.uk ([194.222.239.33]) by finch-post-12.mail.demon.net with smtp (Exim 2.12 #1) id 11Ecqv-0005r7-0C for rsgb_lf_group@blacksheep.org; Wed, 11 Aug 1999 18:11:56 +0000 Message-ID: Date: Wed, 11 Aug 1999 19:10:14 +0100 To: rsgb_lf_group@blacksheep.org From: "Mike Dennison" Subject: Re: LF: Effects of eclipse on HBG In-reply-to: MIME-Version: 1.0 X-Mailer: Turnpike Version 3.03a Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org Sender: Furthe to my last message . . >Measured HBG on 75kHz at home throughout the day using ON5OO's software. >I expected a peak as the D layer absorption reduced. > >Actual plot showed the reverse! Ah, of course. This is not puzzling after all. Any change showed the presense of a sky wave that wasn't there outside the eclipse - it was just out of phase with the ground wave. -- Mike, G3XDV