Return-Path: X-Spam-DCC: paranoid 1181; 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=-0.3 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, FORGED_AOL_TAGS,HTML_40_50,HTML_MESSAGE,UNPARSEABLE_RELAY 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 tAJGgO3X007187 for ; Thu, 19 Nov 2015 17:42:25 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ZzSF2-0002td-3S for rs_out_1@blacksheep.org; Thu, 19 Nov 2015 16:39:24 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ZzSF1-0002tT-Pk for rsgb_lf_group@blacksheep.org; Thu, 19 Nov 2015 16:39:23 +0000 Received: from omr-a017e.mx.aol.com ([204.29.186.68]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.86) (envelope-from ) id 1ZzSE2-0008IB-Dq for rsgb_lf_group@blacksheep.org; Thu, 19 Nov 2015 16:39:22 +0000 Received: from mtaomg-mcb01.mx.aol.com (mtaomg-mcb01.mx.aol.com [172.26.50.175]) by omr-a017e.mx.aol.com (Outbound Mail Relay) with ESMTP id E614C380005E for ; Thu, 19 Nov 2015 11:38:04 -0500 (EST) Received: from core-afa04b.mail.aol.com (core-afa04.mail.aol.com [172.27.24.4]) by mtaomg-mcb01.mx.aol.com (OMAG/Core Interface) with ESMTP id B74F138000082 for ; Thu, 19 Nov 2015 11:38:04 -0500 (EST) References: <1729369062.20151119120030@chriswilson.tv> To: rsgb_lf_group@blacksheep.org In-Reply-To: <1729369062.20151119120030@chriswilson.tv> X-MB-Message-Source: WebUI MIME-Version: 1.0 From: Markus Vester X-MB-Message-Type: User X-Mailer: AOL Webmail BASIC Received: from 192.35.17.17 by webmail-vm118.sysops.aol.com (64.12.254.141) with HTTP (WebMailUI); Thu, 19 Nov 2015 11:38:04 -0500 Message-Id: <8D2F0FFCBE9FC7E-1674-D73C4@webmail-vm118.sysops.aol.com> X-Originating-IP: [192.35.17.17] Date: Thu, 19 Nov 2015 11:38:04 -0500 x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1447951084; bh=r+HiIhLO1D/PPmFnGMdWQJI5kWLccGxF0woqkl4u/fw=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=aww/gxcue25WmRLQwW77pLjSgyrH/ggjWXOc55XXB3MqJPqY/ae3olfeZPiwkMRo9 VwIKgKjuCPtIh8P7AIq9T0D1OlZ47M9hMOcO8iXJksDA7x3890ZEwSnGX+uYVIfwrj zUhFdlmtxR7Fhq+6gFuQB0N2eTtpJZyCpM8wIFzQ= x-aol-sid: 3039ac1a32af564dfaec6496 X-Scan-Signature: 138e3b341e0543401afa7e97ee054540 Subject: Re: LF: Antenna relays - bifilar coil Content-Type: multipart/alternative; boundary="--------MB_8D2F0FFCC1E5ABE_1674_1FE6FC_webmail-vm118.sysops.aol.com" 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: 5185 This is a multi-part message in MIME format. ----------MB_8D2F0FFCC1E5ABE_1674_1FE6FC_webmail-vm118.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Another=20approach:=20Make=20a=20LF=20loading=20coil=20with=20bifilar=20wire.=20= For=20HF=20in=20differential=20mode=20the=20coil=20will=20just=20be=C2=A0a=20lar= ge=20common-mode=20choke.=20You=20can=20either=20connect=C2=A0relay=20at=20the=20= bottom=20end=20where=C2=A0LF=20voltage=20is=20much=20lower,=20or=20alternatively= =20use=20an=20HF-balun=20or=C2=A0diplexer=20there.=20=0D=0A=C2=A0=0D=0AYou=20cou= ld=20also=20use=20that=20coil=20together=20with=20a=20bifilar=20vertical,=20and=C2= =A0use=C2=A0the=20differential=20mode=20to=20feed=20power=C2=A0up=20to=C2=A0a=20= quadrocopter=20which=20holds=20the=20antenna=20aloft.=C2=A0=0D=0A=C2=A0=0D=0A73,= =20Markus=20(DF6NM)=0D=0A=0D=0A=0D=0A-----Urspr=C3=BCngliche=20Mitteilung-----=20= =0D=0AVon:=20Chris=20Wilson=20<chris@chriswilson.tv>=0D=0AAn:=20rsgb_lf_gr= oup=20<rsgb_lf_group@blacksheep.org>=0D=0AVerschickt:=20Do,=2019=20Nov=202= 015=201:02=20pm=0D=0ABetreff:=20LF:=20Antenna=20relays=0D=0A=0D=0A=20=0D=0A=20=0D= =0A=20=0D=0A19=20November=202015=20=0D=0A=20=0D=0A=20=0D=0AI=20am=20currently=20= running=20a=20bottom=20strapped=20windowed=20ladder=20line=20feeder=20to=20=0D=0A= my=20=20horizontal=20=20quad=20=20loop=20=20as=20=20the=20=20vertical=20for=20LF= ,=20the=20loop=20as=20the=20=0D=0Acapacitive=20=20top=20hat.=20It=20means=20I=20= am=20unable=20to=20use=20it=20for=20HF=20though.=20I=20am=20=0D=0Awondering=20if= =20I=20might=20add=20a=20remote=20switched=20relay=20at=20the=20bottom=20of=20th= e=20=0D=0Aladder=20line,=20so=20it=20has=20two=20states.=20One=20connects=20my=20= co=20ax=20feeder=20to=20the=20=0D=0Aladder=20=20line=20=20with=20=20the=20=20bot= tom=20strapped=20together.=20the=20other=20opens=20the=20=0D=0Astrap=20and=20con= nects=20the=202=20legs=20to=20a=20balun=20and=20then=20my=20co=20as=20feed=20lin= e.=20=0D=0A=20=0D=0AGiven=20=20the=20voltages=20involved=20at=20LF,=20what=20sor= t=20of=20relay=20would=20I=20need=20to=20=0D=0Abe=20looking=20at?=20Thanks.=20=0D= =0A=20=0D=0A=20=0D=0A=20=0D=0A--=20=20=0D=0A=20=0D=0A=20=0D=0ABest=20regards,=20= =0D=0A=20Chris=20=202E0ILY=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20mailto:chris@chriswilson.tv=20=0D=0A=20=0D=0A=20=0D=0A= =20=0D=0A=0D=0A=20=20=0A=0A ----------MB_8D2F0FFCC1E5ABE_1674_1FE6FC_webmail-vm118.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="utf-8" =0D=0AAnother=20approach:=20Make=20a=20LF= =20loading=20coil=20with=20bifilar=20wire.=20For=20HF=20in=20differential=20mode= =20the=20coil=20will=20just=20be a=20large=20common-mode=20choke.=20You=20c= an=20either=20connect relay=20at=20the=20bottom=20end=20where LF=20vol= tage=20is=20much=20lower,=20or=20alternatively=20use=20an=20HF-balun=20or&n= bsp;diplexer=20there.=20=0D=0A=0D=0A =0D=0A=0D=0AYou=20could=20also= =20use=20that=20coil=20together=20with=20a=20bifilar=20vertical,=20and use&= nbsp;the=20differential=20mode=20to=20feed=20power up=20to a=20quadroc= opter=20which=20holds=20the=20antenna=20aloft. =0D=0A=0D=0A
 = ;
=0D=0A=0D=0A
73,=20Markus=20(DF6NM)
=0D=0A
=0D=0A
=0D=0A--= ---Urspr=C3=BCngliche=20Mitteilung-----=20
=0D=0AVon:=20Chris=20Wilson=20<= chris@chriswilson.tv>
=0D=0AAn:=20rsgb_lf_group=20<rsgb_lf_group@blacks= heep.org>
=0D=0AVerschickt:=20Do,=2019=20Nov=202015=201:02=20pm
=0D=0AB= etreff:=20LF:=20Antenna=20relays
=0D=0A
=0D=0A=20
=0D=0A=0D=0A=20=
=0D=0A=20
=0D=0A19=20November=2020= 15=20
=0D=0A=20
=0D=0A=20
=0D=0AI=20am=20currently=20running=20a=20bott= om=20strapped=20windowed=20ladder=20line=20feeder=20to=20
=0D=0Amy=20=20horiz= ontal=20=20quad=20=20loop=20=20as=20=20the=20=20vertical=20for=20LF,=20the=20loo= p=20as=20the=20
=0D=0Acapacitive=20=20top=20hat.=20It=20means=20I=20am=20unab= le=20to=20use=20it=20for=20HF=20though.=20I=20am=20
=0D=0Awondering=20if=20I=20= might=20add=20a=20remote=20switched=20relay=20at=20the=20bottom=20of=20the=20=0D=0Aladder=20line,=20so=20it=20has=20two=20states.=20One=20connects=20my=20co= =20ax=20feeder=20to=20the=20
=0D=0Aladder=20=20line=20=20with=20=20the=20=20b= ottom=20strapped=20together.=20the=20other=20opens=20the=20
=0D=0Astrap=20and= =20connects=20the=202=20legs=20to=20a=20balun=20and=20then=20my=20co=20as=20feed= =20line.=20
=0D=0A=20
=0D=0AGiven=20=20the=20voltages=20involved=20at=20LF= ,=20what=20sort=20of=20relay=20would=20I=20need=20to=20
=0D=0Abe=20looking=20= at?=20Thanks.=20
=0D=0A=20
=0D=0A=20
=0D=0A=20
=0D=0A--=20=20
=0D= =0A=20
=0D=0A=20
=0D=0ABest=20regards,=20
=0D=0A=20Chris=20=202E0ILY=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20mailto:chris@chriswilson.tv=20
=0D= =0A=20
=0D=0A=20
=0D=0A=20
=0D=0A=0D=0A=20=20
=0D=0A= ----------MB_8D2F0FFCC1E5ABE_1674_1FE6FC_webmail-vm118.sysops.aol.com--