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 w0JKg44e014403 for ; Fri, 19 Jan 2018 21:42:05 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ecdOo-00024s-3L for rs_out_1@blacksheep.org; Fri, 19 Jan 2018 20:36:30 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ecdOn-00024j-9s for rsgb_lf_group@blacksheep.org; Fri, 19 Jan 2018 20:36:29 +0000 Received: from smtp-out01.xworks.net ([31.25.48.13]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1ecdOk-0004YD-Gx for rsgb_lf_group@blacksheep.org; Fri, 19 Jan 2018 20:36:27 +0000 Received: from mailbackend2-1 (cluster06.xworks.net [10.100.1.80]) by smtp-out01.xworks.net (Postfix) with ESMTP id 94D726164A for ; Fri, 19 Jan 2018 21:36:24 +0100 (CET) X-DKIM-Result: Domain=kabelmail.de Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kabelmail.de; s=mail; t=1516394184; bh=YmNmSoNQoKhzf/fdvI/Sr8NUo8PMEQeldp/WW4DDzys=; h=Subject:To:References:From:Date:MIME-Version:In-Reply-To: Content-Type; b=P1yk0CSDRbdSPas27EP4WZial6SHljjCI60Xo5UbR9qiyuA4+bkBBHrmFtIG7OPan C3h66mYFu9AIcVjSS2BULZF3CKWapfu3K8jy3ZP8CrCyV2HIpR+b2Mo7H5sUST1yFt yqrBZnLfH2H/oTne/m8jOBCbD+1kTuTRZioGd71o= Received: from [192.168.36.33] (ipbcc12910.dynamic.kabel-deutschland.de [188.193.41.16]) (authenticated bits=0) by smtp.kabelmail.de with ESMTP id w0JKaKlq016307 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 19 Jan 2018 21:36:21 +0100 X-mediaBEAM-Originating-IP: [188.193.41.16] X-mediaBEAM-AUTHID: [DK1IS@kabelmail.de] To: rsgb_lf_group@blacksheep.org References: <5A5C7DA3.17768.591EA2@roelof.ndb.demon.nl> From: DK1IS Message-ID: <834575bf-a2ee-f326-cdba-3d910813c1a0@kabelmail.de> Date: Fri, 19 Jan 2018 21:37:44 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2 MIME-Version: 1.0 In-Reply-To: <5A5C7DA3.17768.591EA2@roelof.ndb.demon.nl> X-mediaBEAM-AuthCheck: route13 X-mediaBEAM-AuthScore: 0.0/5.0, scanned in 1.767sec 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: Hello Roelof, concerning your lastest ECO-Mini-Whip: very exciting stuff! Would you already release a schematic? What about the lower frequency limit - could it be extended to VLF/ULF? Tu es 73, Tom, DK1IS [...] 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: 739d4fb39bd02fc5a2de5437a39bb056 Subject: LF: PA0RDT-ECO-Mini-Whip 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=0.0 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 Hello Roelof, concerning your lastest ECO-Mini-Whip: very exciting stuff! Would you already release a schematic? What about the lower frequency limit - could it be extended to VLF/ULF? Tu es 73, Tom, DK1IS Am 15.01.2018 um 11:08 schrieb Roelof Bakker: > Hello Graham, > > The answer to your question in regard to the difference in signal > strength might be a new antenna that I am testing at the moment. It > runs on a 6V gel cell battery and has a massive power consumption of > 40 mW, compared to 800 mW for my standard mini-whip design. This one > is called the pa0rdt-ECO-Mini-Whip! > > The signal level around 400 kHz is 6 dB less, yet at daytime the > band noise is still 10 dB stronger than the receiver noise floor of > my PERSEUS which has a noise figure of 18 dB. > > Gain is -14 dB, IIP2 = +72 dBm and IIP3 = +38 dBm using + 6 dBm test > tones and tested with a test system with an OIP2 = + 120 dBm and > OIP3 = + 60 dBm. > > 73, > Roelof Bakker, pa0rdt > > > > > . >