Received-SPF: neutral (google.com: 193.82.116.20 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) client-ip=193.82.116.20;
Message-ID: <004301c7f16a$c361c360$db7f6a58@wgt01>
From: "Gary - G4WGT" <g4wgt@tiscali.co.uk>
To: <rsgb_lf_group@blacksheep.org>
References: <46E15ABA.6439.17F59A3@localhost>
Date: Fri, 7 Sep 2007 17:18:44 +0100
MIME-Version: 1.0
Subject: LF: Re: [500 - QSB
Content-Type: text/plain;
	format=flowed;
	charset="iso-8859-1";
	reply-type=original
Content-Transfer-Encoding: 7bit
Sender: owner-rsgb_lf_group@blacksheep.org
Precedence: bulk
Reply-To: rsgb_lf_group@blacksheep.org
Status: O

Mike,

There are some 500 KHz plots on Hartmut Wolff's capture page :-

http://www.h-wolff.de/Latest500kHz.htm

73

Gary - G4WGT - IO83qp

----- Original Message ----- 
From: "Mike Dennison" <mike.dennison@ntlworld.com>
To: <rsgb_lf_group@blacksheep.org>
Sent: Friday, September 07, 2007 2:05 PM
Subject: LF: [500 - QSB


> Does anyone have a spectrogram screen shot of 500kHz signals showing 
> the QSB period and approximate depth? This could be CW or QRSS, but I 
> am especially interested in seeing how QRSS is affected by fading. An 
> estimate of the path lengths involved would also be helpful.
> 
> This is for the new edition of LF Today.
> 
> Thanks in advance.
> 
> Mike, G3XDV
> ==========
> 
> 
> 
> 
>