Return-Path: X-Spam-DCC: paranoid 1233; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, FORGED_RCVD_HELO,HTML_MESSAGE autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id t9JAvNbp026884 for ; Mon, 19 Oct 2015 12:57:23 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Zo84f-0005io-5i for rs_out_1@blacksheep.org; Mon, 19 Oct 2015 11:53:53 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Zo84e-0005if-Qz for rsgb_lf_group@blacksheep.org; Mon, 19 Oct 2015 11:53:52 +0100 Received: from s16315160.onlinehome-server.info ([87.106.80.234] helo=mail.vigilant.es) by relay1.thorcom.net with esmtp (Exim 4.86) (envelope-from ) id 1Zo83d-0000El-9A for rsgb_lf_group@blacksheep.org; Mon, 19 Oct 2015 11:53:51 +0100 Received: from servigilant.vigilant.local ([87.216.178.132]) by vigilant.es with MailEnable ESMTP; Mon, 19 Oct 2015 12:52:18 +0200 Received: from servigilant.vigilant.local ([fe80::3cdf:95f8:c1c9:3931]) by servigilant.vigilant.local ([fe80::3cdf:95f8:c1c9:3931%13]) with mapi id 14.03.0123.003; Mon, 19 Oct 2015 12:52:18 +0200 From: =?iso-8859-1?Q?VIGILANT_Luis_Fern=E1ndez?= To: "rsgb_lf_group@blacksheep.org" Thread-Topic: LF: EA5DOM going vertical Thread-Index: AQHRCGG9wFizgMH7ikaxIJNDTXOPZp5vUyMAgABqEsv///hggIAAkkeG///ppACAAXeRGP//+iqAACBVuEA= Date: Mon, 19 Oct 2015 10:52:17 +0000 Message-ID: <579355A36AEE9D4FA555C45D556003AB1B2290AC@servigilant.vigilant.local> In-Reply-To: <56240D07.1090206@posteo.de> Accept-Language: es-ES, en-US Content-Language: es-ES X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [192.168.0.2] MIME-Version: 1.0 X-Scan-Signature: b0c81be0f3328ec24fe2fd5b2fd44f86 Subject: RE: LF: EA5DOM going vertical Content-Type: multipart/alternative; boundary="_000_579355A36AEE9D4FA555C45D556003AB1B2290ACservigilantvigi_" 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 4509 --_000_579355A36AEE9D4FA555C45D556003AB1B2290ACservigilantvigi_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Stefan This is a picture of the coil 25cm diameter pipe, 90 cm high https://dl.dropboxusercontent.com/u/7162072/Fotos%20varias/MF/CAM00571.jpg I can also fit this variometer on the top side of the pipe https://dl.dropboxusercontent.com/u/7162072/Fotos%20varias/MF/CAM00559.jpg https://dl.dropboxusercontent.com/u/7162072/Fotos%20varias/MF/CAM00558.jpg The -3dB of my signals yesterday are probably due to QRN on the Rx. We had = a big storm down in south EA Another one is predicted for tomorrow just here and strong rain. No good fo= r installing the coil 73 de Luis EA5DOM ________________________________ De: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blackshe= ep.org] En nombre de DK7FC Enviado el: domingo, 18 de octubre de 2015 23:20 Para: rsgb_lf_group@blacksheep.org Asunto: Re: LF: EA5DOM going vertical Hi Luis, Am 18.10.2015 21:59, schrieb VIGILANT Luis Fern=E1ndez: For the transformer I plan to recycle the one osed for the loop. It has two= big toroids 80mm external diameter and 8mm thick. Both joined make 16mm thick. Unfortunately don't know which = is the material used Hm, sounds not optimal, somehow :-) But just start with a 1:1 transformer a= nd a 50 Ohm dummy load as a first test. If the transformer stays cold and t= he load (e.g. power consumption, or current meter reading of the power supp= ly) is the same with or without the transformer, everything is fine. Can be primary and secondary be wounded one on top of the other ?? Yes, this is recommended! Tonight reports on my remote monitor are 3dB down. I made a modification I have finally connected a wire from top terrace to the fire extinguish pip= e which runs inside the building down to the basements, were pumping system is located. The wire is not yet conne= cted to the ground side of the vertical BUT the actual radial counterpoise runs parallel to this wire for about 5m Seems like this can be the cause of 3dB looses. ...but maybe the situation is different when matching the PA properly. In t= he moment you don't know at all what the feed point impedance is. ...and ho= w the PA behaves at that impedance connected. Keep tuned ! RR. GL, 73, Stefan --_000_579355A36AEE9D4FA555C45D556003AB1B2290ACservigilantvigi_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Stefan
 
This is a picture of the coil
25cm diameter pipe, 90 cm high
 
https://dl.dropboxuse= rcontent.com/u/7162072/Fotos%20varias/MF/CAM00571.jpg
 
I can also fit this variomet= er on the top side of the pipe
&= nbsp;
https://dl.dropboxuse= rcontent.com/u/7162072/Fotos%20varias/MF/CAM00559.jpg
https://dl.dropboxuse= rcontent.com/u/7162072/Fotos%20varias/MF/CAM00558.jpg
 
The -3dB of my signals yesterday = are probably due to QRN on the Rx. We had a big storm down in south EA
 
Another one is predicted for tomo= rrow just here and strong rain. No good for installing the coil
 
73 de Luis
EA5DOM

De: owner-rsgb_lf_group@blacksheep.= org [mailto:owner-rsgb_lf_group@blacksheep.org] En nombre de DK7FC
Enviado el: domingo, 18 de octubre de 2015 23:20
Para: rsgb_lf_group@blacksheep.org
Asunto: Re: LF: EA5DOM going vertical

Hi Luis,

Am 18.10.2015 21:59, schrieb VIGILANT Luis Fern=E1ndez:
For the transformer I plan to recycle the o= ne osed for the loop. It has two big toroids 80mm external diameter
and 8mm thick. Both joined make 16mm t= hick. Unfortunately don't know which is the material used
Hm, sounds not optimal, somehow :-) But just start with a 1:1 transformer a= nd a 50 Ohm dummy load as a first test. If the transformer stays cold and t= he load (e.g. power consumption, or current meter reading of the power supp= ly) is the same with or without the transformer, everything is fine.


Can be primary and secondary be wounde= d one on top of the other ??
Yes, this is recommended!
Tonight reports on my remote monitor a= re 3dB down. I made a modification
I have finally connected a wire from t= op terrace to the fire extinguish pipe which runs inside the building down<= /font>
to the basements, were pumping system = is located. The wire is not yet connected to the ground side of the vertica= l
BUT the actual radial counterpoise run= s parallel to this wire for about 5m

Seems like this can be the cause of 3d= B looses.
...but maybe the situation is different when matching the PA properly. In t= he moment you don't know at all what the feed point impedance is. ...and ho= w the PA behaves at that impedance connected.
 Keep tuned !
RR. GL,

73, Stefan
--_000_579355A36AEE9D4FA555C45D556003AB1B2290ACservigilantvigi_--