Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mp01.r1000.mx.aol.com (Internet Inbound) with ESMTP id 233B738000101; Thu, 11 Oct 2012 14:31:09 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1TMMq7-0003qx-Dc for rs_out_1@blacksheep.org; Thu, 11 Oct 2012 18:46:31 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1TMMq6-0003qe-R3 for rsgb_lf_group@blacksheep.org; Thu, 11 Oct 2012 18:46:30 +0100 Received: from out1.ip01ir2.opaltelecom.net ([62.24.128.237]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1TMMq4-0007kW-LY for rsgb_lf_group@blacksheep.org; Thu, 11 Oct 2012 18:46:29 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AlsFAFUFd1BcF1bx/2dsb2JhbABEhhK1Z4NagQmCGwUBAQUIAQEDFjMCLAEBAwUCAQMRBAEBCiECAhQBBBoGFggGEwoBAgIBAYdhAxMHpmeTC4phZoUOgRIDjWmCfQmGE48bgm2BWgkZAQ X-IronPort-AV: E=Sophos;i="4.80,573,1344207600"; d="scan'208,217";a="406368610" Received: from host-92-23-86-241.as13285.net (HELO xphd97xgq27nyf) ([92.23.86.241]) by out1.ip01ir2.opaltelecom.net with SMTP; 11 Oct 2012 18:46:27 +0100 Message-ID: <005101cda7d8$56ae2400$0501a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <50769C8B.10907@iup.uni-heidelberg.de> <001901cda7cb$09a99200$0501a8c0@xphd97xgq27nyf> <5077009F.8010804@iup.uni-heidelberg.de> Date: Thu, 11 Oct 2012 17:46:26 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Spam-Score: 4.4 (++++) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. 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Content preview: That rotator is just a TOY for the LF kindergarten (::>) ----- Original Message ----- From: Stefan Schäfer To: rsgb_lf_group@blacksheep.org Sent: Thursday, October 11, 2012 5:23 PM Subject: Re: LF: QSP from DK7PE: 2nd DK0SWF Activity October 13/14, 2012 [...] Content analysis details: (4.4 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 HTML_MESSAGE BODY: HTML included in message 4.4 AXB_XMAILER_MIMEOLE_OL_024C2 AXB_XMAILER_MIMEOLE_OL_024C2 X-Scan-Signature: fcf77e2759cb043d8839e008dc214d5a Subject: Re: LF: QSP from DK7PE: 2nd DK0SWF Activity October 13/14, 2012 Content-Type: multipart/alternative; boundary="----=_NextPart_000_004E_01CDA7D8.5680D270" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_40_50,HTML_MESSAGE 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 x-aol-global-disposition: G x-aol-sid: 3039ac1dc1455077106d1f0b X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. ------=_NextPart_000_004E_01CDA7D8.5680D270 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable That rotator is just a TOY for the LF kindergarten (::>-------------) =20 ----- Original Message -----=20 From: Stefan Sch=C3=A4fer=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, October 11, 2012 5:23 PM Subject: Re: LF: QSP from DK7PE: 2nd DK0SWF Activity October 13/14, = 2012 Am 11.10.2012 18:11, schrieb mal hamilton:=20 [...]=20 Instead of a totally vertical antenna suspend a full size one = wavelength loop for both TX and RX. orientated in the desired direction. A brilliant idea. A full size loop for 630m, i assume you mean a vertical loop, has a = diameter of 200m. I suggest to use this rotor: = http://img520.imageshack.us/img520/7206/motorzv4.jpg :-) 73, Stefan If I had a large tower available like the one described I would not = have a problem either on TX or RX 73 GL de G3KEV ----- Original Message -----=20 From: Stefan Sch=C3=A4fer=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, October 11, 2012 10:16 AM Subject: Re: LF: QSP from DK7PE: 2nd DK0SWF Activity October = 13/14, 2012 Hi Holger,=20 Thanks for the information/update! Nice to know that they are = proceeding and they obviously know what to do :-) The idea with the VHF link is very good but maybe they only need = to detune the TX antenna to get much better results. This can be done by = a RX/TX relais (22k (ish) resistor across that). Will they try that? = Maybe they can reduce the needed efforts... Using Twente SDR is of = course another idea for a separated RX but it may be to far during the = time the band is still closed or to copy weak local stations... Unfortunately i am not in Heidelberg this weekend :-( 73, Stefan/DK7FC Am 11.10.2012 06:31, schrieb Holger 'Geri' DK8KW DI2BO W1KW:=20 DK0SWF second DARC Mainz 630m operation Sat. Oct. 13th until = 14th 2012 Members of the DARC group Mainz/Germany will be operating again = on 630m during the coming weekend! They will use a full quarter wave = commercial verical! They will startSaturday, Oct. 13th around 16:00 UTC, = staying on the air until Sunday 14th around 06:00 UTC. This time they = will try different receiving antenna types, hoping to improve the = receiving capabilities.=20 For example, they will also use a better receiver (now R&S EK70) = plus a specially designed rx/tx filter, a 472 kHz receiving loop and a = second (10km separated) receiving station, linked via VHF.=20 Please listen for them on 473,500 kHz for any cq calls. They = will also use 472,500 kHz temporarily but rather like to keep this one = free for other users. QSX on other frequencies (e.g. between 501 and 503 = kHz or even cross-band 80m) will be announced.=20 They are looking forward to work some more of the active 630m = stations in EU. Receiving reports and any helpful comments are most = welcome via eMail dk0swf@gmx.de The DK0SWF Team=20 ------=_NextPart_000_004E_01CDA7D8.5680D270 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable =EF=BB=BF
That rotator is just a TOY for the LF = kindergarten =20 (::>-------------) 
 
----- Original Message -----
From:=20 Stefan = Sch=C3=A4fer
Sent: Thursday, October 11, = 2012 5:23=20 PM
Subject: Re: LF: QSP from = DK7PE: 2nd=20 DK0SWF Activity October 13/14, 2012


Am 11.10.2012 18:11, schrieb mal hamilton:=20
[...]=20
Instead of a totally vertical antenna = suspend a full=20 size one wavelength loop for both TX and RX. orientated in the = desired=20 direction.
A brilliant idea.
A full size = loop for=20 630m, i assume you mean a vertical loop, has a diameter of 200m. I = suggest to=20 use this rotor: http://img5= 20.imageshack.us/img520/7206/motorzv4.jpg=20 :-)


73, Stefan



If I had a large tower available like the = one=20 described I would not have a problem either on TX or RX
73 GL de G3KEV
 
-----=20 Original Message ----- From:=20 Stefan Sch=C3=A4fer To:=20 rsgb_lf_group@blacksheep.org Sent:=20 Thursday, October 11, 2012 10:16 AM Subject:=20 Re: LF: QSP from DK7PE: 2nd DK0SWF Activity October 13/14, = 2012

Hi Holger,

Thanks for the = information/update! Nice=20 to know that they are proceeding and they obviously know what to = do=20 :-)

The idea with the VHF link is very good but maybe they = only=20 need to detune the TX antenna to get much better results. This can = be done=20 by a RX/TX relais (22k (ish) resistor across that). Will they try = that?=20 Maybe they can reduce the needed efforts... Using Twente SDR is of = course=20 another idea for a separated RX but it may be to far during the = time the=20 band is still closed or to copy weak local=20 stations...

Unfortunately i am not in Heidelberg this = weekend=20 :-(

73, Stefan/DK7FC


Am 11.10.2012 06:31, = schrieb Holger=20 'Geri' DK8KW DI2BO W1KW:=20

DK0SWF second DARC=20 Mainz 630m = operation Sat.=20 Oct. 13th until = 14th 2012

Members of the DARC = group=20 Mainz/Germany will be operating again on 630m during the coming = weekend!=20 They will use a full quarter wave commercial verical! They will = startSaturday, Oct. 13th around = 16:00=20 UTC, staying on the air until Sunday 14th around 06:00 UTC. = This time=20 they will try different receiving antenna types, hoping to = improve the=20 receiving capabilities. 

For example, they will = also use a=20 better receiver (now R&S EK70) plus a specially designed = rx/tx=20 filter, a 472 kHz receiving loop and a second (10km separated) = receiving=20 station, linked via VHF. 

Please listen for them = on 473,500=20 kHz for any cq calls. They will also use 472,500 kHz temporarily = but=20 rather like to keep this one free for other users. QSX on other=20 frequencies (e.g. between 501 and 503 kHz or even cross-band = 80m) will=20 be announced. 

They are looking forward = to work=20 some more of the active 630m stations in EU. Receiving reports = and any=20 helpful comments are most welcome via eMail dk0swf@gmx.de

The DK0SWF Team 

=
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