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 w7ND3Qpt011517 for ; Thu, 23 Aug 2018 15:03:29 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1fsp9f-0006ID-FU for rs_out_1@blacksheep.org; Thu, 23 Aug 2018 13:56:03 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1fsp9f-0006I4-6U for rsgb_lf_group@blacksheep.org; Thu, 23 Aug 2018 13:56:03 +0100 Received: from mout02.posteo.de ([185.67.36.66]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91_59-0488984) (envelope-from ) id 1fsp9d-0004be-Gr for rsgb_lf_group@blacksheep.org; Thu, 23 Aug 2018 13:56:02 +0100 Received: from submission (posteo.de [89.146.220.130]) by mout02.posteo.de (Postfix) with ESMTPS id 8B02C21109 for ; Thu, 23 Aug 2018 14:56:00 +0200 (CEST) X-DKIM-Result: Domain=posteo.de Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.de; s=2017; t=1535028960; bh=GC+ts+0+Lq/dqycQ88w1FcZGl+Zz8LBTAoLvnli72ew=; h=Date:From:To:Subject:From; b=JZNFAWweSF3ImhwJUED+AhnQC+kee+VZqpAQUZVrNXelDJyRqxVRt6H9VIyMqgERx vy/QHO5F6rnERaiBL7r4IYf00O4l14ncun0gYchZqNLd+S1yB0x1vAPPWFRTah9gvo jfEyqgWfZQwiy4BPnfu0anRyfmCe1rqc0wFJdB+ng4em25GbNatWiurqasc+X/4S1/ QIUNkMZu0Gt4+7uki6Xc0Iucnd5byEb84DAE6iLVMbhQeviAu46SRO7EMRmVGGrOru 2RHagu6joPEVE7a0kjlwlX9eiZZYAXFsDOWueSbSlykMCF9yQAax50XzsjcUPTaPz3 xQspm9G1w8txg== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 41x4Ch0G9xz9rxF for ; Thu, 23 Aug 2018 14:56:00 +0200 (CEST) Message-ID: <5B7EAEDF.9090000@posteo.de> Date: Thu, 23 Aug 2018 14:55:59 +0200 From: DK7FC User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <1613303827.20180823120801@gmail.com> <5B7E9BB0.7000307@posteo.de> <5B7EA826.5000906@posteo.de> <193866059.20180823133807@gmail.com> In-Reply-To: <193866059.20180823133807@gmail.com> X-Spam-Score: -2.5 (--) 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 @@CONTACT_ADDRESS@@ for details. Content preview: Hi Chris, Am 23.08.2018 14:38, schrieb Chris Wilson: > My method of testing > is a wide band commercial noise source and two series wide band amps > to up the level to something useable by my SDR, then look at the BPF > filter action on the display in HDSDR. I have a spectrum analyser but > am not very good with it, given the comfort I have using HDSDR I am > probably better keeping it simple! Sound OK? Yes, sure. You see what you need to see. The perfect tool. I also use SpecLab to check filter curves... [...] Content analysis details: (-2.5 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [185.67.36.66 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -0.2 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [185.67.36.66 listed in wl.mailspike.net] 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 87966b345956c8ef3389b993f6a18f4e Subject: Re: LF: Anyone good with Elsie? Content-Type: text/plain; charset=ISO-8859-1; 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=0.0 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 Hi Chris, Am 23.08.2018 14:38, schrieb Chris Wilson: > My method of testing > is a wide band commercial noise source and two series wide band amps > to up the level to something useable by my SDR, then look at the BPF > filter action on the display in HDSDR. I have a spectrum analyser but > am not very good with it, given the comfort I have using HDSDR I am > probably better keeping it simple! Sound OK? Yes, sure. You see what you need to see. The perfect tool. I also use SpecLab to check filter curves... For what do you need the BPF? Just for fun or do you have serious problems with DCF39 and HGA22? In the last case you may need to put some effort in the Q of the coils to get a sharper slope. Hand wound coils on pot cores, using RF litz wire seems to be best. I reached a Q of > 500 if i remember correctly. But somehow my results have never been really satisfying... 73, Stefan