Return-Path: X-Spam-DCC: paranoid 1290; 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=-2.1 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_MESSAGE,RCVD_ILLEGAL_IP 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 t4TLWjuM029408 for ; Fri, 29 May 2015 23:32:45 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1YyRqx-0006Gh-Rj for rs_out_1@blacksheep.org; Fri, 29 May 2015 22:30:07 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1YyRqx-0006GY-Fy for rsgb_lf_group@blacksheep.org; Fri, 29 May 2015 22:30:07 +0100 Received: from smtpout1.wanadoo.co.uk ([80.12.242.29] helo=smtpout.wanadoo.co.uk) by relay1.thorcom.net with esmtp (Exim 4.85) (envelope-from ) id 1YyRqv-0007LA-OI for rsgb_lf_group@blacksheep.org; Fri, 29 May 2015 22:30:06 +0100 Received: from AGB ([2.26.145.34]) by mwinf5d11 with ME id ZxW41q00S0kksyi03xW4YV; Fri, 29 May 2015 23:30:05 +0200 X-ME-Helo: AGB X-ME-Date: Fri, 29 May 2015 23:30:05 +0200 X-ME-IP: 2.26.145.34 Message-ID: From: "Graham" To: References: In-Reply-To: Date: Fri, 29 May 2015 22:30:04 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 X-Scan-Signature: 84016abdd353c82964b6d256164a353f Subject: Re: LF: Antennas on low bands : the Siegel and Labus books. Content-Type: multipart/alternative; boundary="----=_NextPart_000_005F_01D09A5F.027FB980" 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: 3350 This is a multi-part message in MIME format. ------=_NextPart_000_005F_01D09A5F.027FB980 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Bob , =20 Near field array , could be about 4 ft in diameter ? G, From: riese-k3djc@juno.com=20 Sent: Friday, May 29, 2015 5:30 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: Antennas on low bands : the Siegel and Labus books. has anyone tried a DDRR antenna on LF there is info on them in one of the arrl antenna books and I use one on=20 144 very small but appears to work as well as a 5/8 wave appears as a small horziontal loop but radiates as a vert most odd thing but works well on 2 meters Bob K3DJC On Fri, 29 May 2015 17:19:24 +0200 = =3D?iso-8859-1?B?R3V56SBBbmRy6Q=3D=3D?=3D = writes: Hi to all.=20 I see that many questions are on the LF reflector about antennas on = low bands, modeling and concerning the lobe formation zones (Fresnel, = Fraunhofer and Rayleigh). On the way, that explain why IUT is using the = E.I.R.P. as standard of power. ------=_NextPart_000_005F_01D09A5F.027FB980 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Bob ,  
 
 Near field array , could be  about   4  = ft =20 in diameter ?
 
G,

From: riese-k3djc@juno.com
Sent: Friday, May 29, 2015 5:30 PM
Subject: Re: LF: Antennas on low bands : the Siegel and = Labus=20 books.

has anyone tried a DDRR antenna on LF
there is info on them in one of the arrl antenna books and I use = one on=20
144 very small but appears to work as well as a 5/8 wave
appears as a small horziontal loop but radiates as a vert
most odd thing but works well on 2 meters
 
Bob K3DJC
 
On Fri, 29 May 2015 17:19:24 +0200 = =3D?iso-8859-1?B?R3V56SBBbmRy6Q=3D=3D?=3D <andre.guye1@aliceadsl.fr>= =20 writes:

Hi to all.

 

I see that many = questions are on=20 the LF reflector about antennas on low bands, modeling and concerning = the lobe=20 formation zones (Fresnel, Fraunhofer and Rayleigh). On the way, = that=20 explain why IUT is using the E.I.R.P. as standard of=20 = power.

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