Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id w0ECdo6b013037 for ; Sun, 14 Jan 2018 13:39:53 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1eahUN-0004cp-Ed for rs_out_1@blacksheep.org; Sun, 14 Jan 2018 12:34:15 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1eahUN-0004cg-4d for rsgb_lf_group@blacksheep.org; Sun, 14 Jan 2018 12:34:15 +0000 Received: from porthos.netcom.co.uk ([217.72.171.73]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1eahUK-0007Go-DG for rsgb_lf_group@blacksheep.org; Sun, 14 Jan 2018 12:34:13 +0000 X-DKIM-Result: Domain=abelian.org Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=abelian.org ; s=default; h=Content-Transfer-Encoding:Content-Type:In-Reply-To: MIME-Version:Date:Message-ID:From:References:To:Subject:Sender:Reply-To:Cc: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=drM6MTdbsB86gL7W9yTnOV3afe5GQ3clHaYwJDfSF6E=; b=vHpSfzGm5RvtztOWRH0kbdpv9W h4IKoaYivvM885lv/IXeAMxUlHLDbubadKab/9a3+ZweKPH/eKnyk5abmu/1LslzXf0T2vAjd8K83 RTGnWhnvhc2FzzlK9yHzjN4a2aML9fBppbFyNipLZItkmqTsg2tDp1MCbAgr4XKyeLUc=; Received: from i-194-106-52-83.freedom2surf.net ([194.106.52.83]:37817 helo=pn.abelian.org) by porthos.netcom.co.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89_1) (envelope-from ) id 1eahUJ-0005FY-3l for rsgb_lf_group@blacksheep.org; Sun, 14 Jan 2018 12:34:11 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by pn.abelian.org (Postfix) with ESMTP id 71EF8400025 for ; Sun, 14 Jan 2018 12:34:10 +0000 (UTC) To: rsgb_lf_group@blacksheep.org References: <160f48f99e7-1716-64310@webjas-vad115.srv.aolmail.net> From: Paul Nicholson Message-ID: <199b0bb9-2d3d-fe4f-92fe-df7b27a55e1a@abelian.org> Date: Sun, 14 Jan 2018 12:34:10 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: <160f48f99e7-1716-64310@webjas-vad115.srv.aolmail.net> Content-Language: en-US X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - porthos.netcom.co.uk X-AntiAbuse: Original Domain - blacksheep.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - abelian.org X-Get-Message-Sender-Via: porthos.netcom.co.uk: authenticated_id: catchall@abelian.org X-Authenticated-Sender: porthos.netcom.co.uk: catchall@abelian.org X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: > fascinating how the cardioid can switch between America > and Europe. Yes and the front/back ratio seems OK, purely based on the separate amplitude/phase calibrations of each rx. > Yes indeed, one hour offset. [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 5c335215f1b3de26d890ee84d49616ce Subject: Re: VLF: DF6NM 8269.9908333 Hz Content-Type: text/plain; charset=utf-8; format=flowed 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=0.9 required=5.0 tests=FROM_ENDS_IN_NUMS 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 > fascinating how the cardioid can switch between America > and Europe. Yes and the front/back ratio seems OK, purely based on the separate amplitude/phase calibrations of each rx. > Yes indeed, one hour offset. The time labeling should point to the center of each 1-hour transform, but the transforms are indexed by their start time. I expect I've added a 30 min offset instead of subtracted, or something like that. Will have a look later. Having a good 'radio day' here, no training this morning so an extra few hours to use! Lots of things on the go - designing LF rx, building a neat frequency standard around a Trimble GPSDOCXO, experimenting with getting a good PPS into an Octo/RPi. Progress on all fronts today. Gradually getting to like the Octo card, good job now I have three of them! One will go into the LF rx. Still not sure what to use for a mixer at LF (LO 103kHz). I've got a few trusty old MC1496 in the junk box, DIP14. The DIP14 obsolete, SOIC now. I'd like to use available parts. Non surface mount would be nice. -- Paul Nicholson --