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 x0KJP91c000350 for ; Sun, 20 Jan 2019 20:25:10 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1glITK-0007RN-KP for rs_out_1@blacksheep.org; Sun, 20 Jan 2019 19:09:30 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1glIQ4-0007R5-Aw for rsgb_lf_group@blacksheep.org; Sun, 20 Jan 2019 19:06:08 +0000 Received: from smtp.selfnet.cz ([212.96.160.8] helo=smtp.itself.cz) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91) (envelope-from ) id 1glIPy-0005xO-Mw for rsgb_lf_group@blacksheep.org; Sun, 20 Jan 2019 19:06:07 +0000 Received: from [10.10.10.76] (unknown [109.105.51.121]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.itself.cz (Postfix) with ESMTPS id C21E875A088 for ; Sun, 20 Jan 2019 20:06:01 +0100 (CET) Subject: LF: DL4RAJ_OK2BVG_antenna To: rsgb_lf_group@blacksheep.org References: <6819222FD70F44FAACDF17D374FF0146@Clemens0811> <873BC42610EC4E38A03127401E2A2F5C@Clemens0811> From: lubos Message-ID: <838f253d-ca6d-5abc-89fd-07d48e96e93c@rtv5.cz> Date: Sun, 20 Jan 2019 20:06:01 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Content-Language: cs X-Virus-Scanned: clamav-milter 0.100.2 at smtp.itself.cz X-Virus-Status: Clean 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 @@CONTACT_ADDRESS@@ for details. Content preview: Hallo Clemens! It is very large and good working antenna, indeed. Many thanks for all interesting info! (BTW: My RX for WSPR is Teletron TE704C) 73! Lubos, OK2BVG [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [212.96.160.8 listed in list.dnswl.org] X-Scan-Signature: 18c242620d7d7b91a1caf5740aa3e326 X-SA-Exim-Scanned: No; SA Timed out after 180 secs 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 Hallo Clemens! It is very large and good working antenna, indeed. Many thanks for all interesting info! (BTW: My RX for WSPR is Teletron TE704C) 73! Lubos, OK2BVG *************************************** Dne 20.1.2019 v 16:24 Clemens Paul napsal(a): > Hi Lubos, > > thanks for the description of your improved TX and RX antenna. > My antenna is a fullsize halfwave dipole at 8m height at the feeding point, > ends go up to 10m /15m height. > It is fed by 42m balanced open feeder line and matched to 50 Ohms by series > silver mica Cs (system resonance is below 470kHz) with about 1.5nF in each leg. > For local noise reduction an effective current balun was essential. > See attached pictures and provided link below. > > Ant.2x155m Dipol; > RX Perseus > http://k7fry.com/grid/?qth=JN68KJ79WJ > > 73 > Clemens > DL4RAJ > >> -----Original Message----- >> From: owner-rsgb_lf_group@blacksheep.org >> [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of lubos >> Sent: Sunday, January 20, 2019 2:54 PM >> To: rsgb_lf_group@blacksheep.org >> Subject: LF: DL4RAJ_OK2BVG_WSPR >> >> Hallo Clemets! >> Thanks for your report, I am pleased! :-) >> Well, my antenna is still "Marconi T" 40m high, but I >> decreased ground losses and the professional loading coil is >> in using now (It is made from thick litz wire) >> >> I am sure, your receiving equipment for 630m band is GREAT. >> It is usefull to compare your and my results. For example WSPR >> spots more than 1300km, last night: >> >> 2019-01-20 01:40 AA1A 0.475675 -29 0 >> FN42pb 5 OK2BVG JN88ks 6490 51 21 >> 2019-01-20 06:30 W1IR 0.475761 -29 0 >> FN34lp 5 OK2BVG JN88ks 6455 51 1 >> 2019-01-19 19:02 EI0CF 0.475689 -17 0 >> IO65ih 0.2 OK2BVG JN88ks 1794 104 8 >> 2019-01-20 04:30 G3WCB 0.475606 -29 0 >> IO80ei 0.001 OK2BVG JN88ks 1484 89 4 >> 2019-01-19 19:40 G8HUH 0.475672 -13 0 >> IO81mg 1 OK2BVG JN88ks 1439 93 9 >> 2019-01-19 19:42 G4MSN 0.475671 -23 0 >> IO93fu 0.2 OK2BVG JN88ks 1394 106 12 >> 2019-01-19 18:42 G0MRF 0.475785 -3 0 >> IO91fr 5 OK2BVG JN88ks 1346 97 82 >> 2019-01-19 08:12 G3KEV 0.475666 -16 0 >> IO94sh 5 OK2BVG JN88ks 1343 110 2 >> 2019-01-19 23:00 F5MAF 0.475702 -26 0 >> JN03pq 0.01 OK2BVG JN88ks 1322 59 3 >> >> >> >> 2019-01-20 02:36 K5DNL 0.475791 -27 0 >> EM15lj 5 DL4RAJ JN68kj 8406 40 7 >> 2019-01-20 02:58 W4BCX 0.475722 -31 0 >> EL98pd 50 DL4RAJ JN68kj 7958 44 1 >> 2019-01-20 05:26 AA1A 0.475673 -25 0 >> FN42pb 5 DL4RAJ JN68kj 6251 53 55 >> 2019-01-20 05:26 W1IR 0.475759 -24 0 >> FN34lp 5 DL4RAJ JN68kj 6228 53 9 >> 2019-01-19 10:14 EI0CF 0.475687 -18 0 >> IO65ih 0.2 DL4RAJ JN68kj 1576 111 16 >> 2019-01-19 07:58 GM3YXM 0.475751 -18 0 >> IO75xc 0.2 DL4RAJ JN68kj 1377 116 4 >> >> The JN88KS locator is about 200km further East of course :-) >> My receiving antenna is home made tuned loop + preamplifier. >> The diameter is 1,7m, it has been made from coaxial cable (3 >> turns) and it is 5m up the ground only :-) >> What is your receiving antenna for WSPR, please? >> >> 73! >> Lubos, OK2BVG >> ******************************************* >> >> >> Dne 19.1.2019 v 20:06 Clemens Paul napsal(a): >> >> >> Hi Lubos, >> >> >> BTW - I compare your and my WSPR list from 630m >> every morning. It is >> interesting. I am testing my new receiving loop antenna. >> >> >> Aah,good to know. :-) >> I noticed your callsign several times when checking the >> database for T/A spots but was not aware >> anymore that OK2BVG is YOU. >> Your loop seems to perform quite well. >> Which improvements have you done to your TX antenna? >> Is it higher than 40m now or did you modify the top load? >> Signal is S9+3dB just now. >> >> 73 >> Clemens >> DL4RAJ >> >> >> >> -----Original Message----- >> From: owner-rsgb_lf_group@blacksheep.org >> [mailto:owner-rsgb_lf_group@blacksheep.org] On >> Behalf Of lubos >> Sent: Saturday, January 19, 2019 6:33 PM >> To: rsgb_lf_group@blacksheep.org >> Subject: Re: LF: RE: OK0EMW_again >> >> Hallo Clemens! >> Thanks for nice report! >> BTW - I compare your and my WSPR list from 630m >> every morning. It is >> interesting. I am testing my new receiving loop antenna. >> >> 73! >> Lubos, OK2BVG >> *************************************** >> >> >> >> >> >> >> >> ________________________________ >> >> AVG-Logo Diese >> E-Mail wurde von AVG-Virenschutzsoftware auf Viren geprüft. >> www.avg.com >> >> >> >>