Return-Path: Received: from rly-dd03.mx.aol.com (rly-dd03.mail.aol.com [172.19.141.150]) by air-dd10.mail.aol.com (v121.4) with ESMTP id MAILINDD101-b6c47997adbf9; Fri, 25 Jan 2008 01:00:15 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-dd03.mx.aol.com (v121.4) with ESMTP id MAILRELAYINDD036-b6c47997adbf9; Fri, 25 Jan 2008 00:59:57 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1JIHbD-0008As-1c for rs_out_1@blacksheep.org; Fri, 25 Jan 2008 05:59:35 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1JIHbC-0008Aj-JU for rsgb_lf_group@blacksheep.org; Fri, 25 Jan 2008 05:59:34 +0000 Received: from fep01.xtra.co.nz ([210.54.141.245]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1JIHb8-0004nG-9e for rsgb_lf_group@blacksheep.org; Fri, 25 Jan 2008 05:59:34 +0000 Received: from mta04.xtra.co.nz ([172.23.11.41]) by fep01.xtra.co.nz with ESMTP id <20080125055904.KCEU24338.fep01.xtra.co.nz@mta04.xtra.co.nz> for ; Fri, 25 Jan 2008 18:59:04 +1300 Received: from fep03.xtra.co.nz ([172.23.12.31]) by mta04.xtra.co.nz with ESMTP id <20080125055904.ZXZM24945.mta04.xtra.co.nz@fep03.xtra.co.nz> for ; Fri, 25 Jan 2008 18:59:04 +1300 Received: from SN2941077064 ([210.54.113.61]) by fep03.xtra.co.nz with SMTP id <20080125055903.TPQU18083.fep03.xtra.co.nz@SN2941077064> for ; Fri, 25 Jan 2008 18:59:03 +1300 Message-ID: <002e01c85f17$613a33f0$3d7136d2@SN2941077064> From: "gboorerzl3pn" To: Date: Fri, 25 Jan 2008 18:58:58 +1300 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 X-Karma: 0: X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: phasing lf antennaes Content-Type: multipart/alternative; boundary="----=_NextPart_000_002B_01C85F84.57393D70" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=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-IP: 193.82.116.20 X-AOL-SCOLL-AUTHENTICATION: listenair ; SPF_helo : n X-AOL-SCOLL-AUTHENTICATION: listenair ; SPF_822_from : n ------=_NextPart_000_002B_01C85F84.57393D70 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Here in new-zealand a number of lf hams used or have used a phased wire or=20= rod to alter the reception patterns to reduce man made and natural atmospher= e noise ..on lf...they could north only sensitivity or throw a switch and li= sten south only..not used of course on transmitting..havnt used that system=20= my self as i am in a quiet country style setting on southern edge of timaru.= ....but in early days 14years ago i was blocked by s9plus 40 powerline carr= iers on lf band..they were generated on north side of timaru city...i built=20= a 16ft square loop tuned to lf..the sharp null of the loop was aimed at the=20= direction of the ham signal i wanted. the big vertical was used as main gen= eral recieve antennae..the noise picked up by the loop was fed out of phase=20= with the vetical in a mixing amp..because the loop had its null on the ham s= ignal it couldnt be phased out...was published in our breakin mag..i got so=20= good the s9+ power carriers were just a faint dribble . after a while they=20= shut the power line system down..i believe they now use OLD DOCTOR FINDLAYS=20= modern methods hihi george that all do now ..a bed time story for lfers=20= bye for now ------=_NextPart_000_002B_01C85F84.57393D70 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Here in new-zealand a number of lf hams use= d or=20 have used  a phased wire or rod to alter the reception patterns to redu= ce=20 man made and natural atmosphere noise ..on lf...they could north only=20 sensitivity or throw a switch and listen south only..not used of course on=20 transmitting..havnt used that system my self as i am in a quiet country styl= e=20 setting on southern edge of timaru.....but in early days 14years ago i was=20 blocked by  s9plus 40 powerline carriers on lf band..they were generate= d on=20 north side of timaru city...i built a 16ft square loop tuned to lf..the shar= p=20 null of the loop was aimed at the direction of the ham signal i wanted. = ;=20 the big vertical was used as main general recieve antennae..the noise picked= up=20 by the loop was fed out of phase with the vetical in a mixing amp..because t= he=20 loop had its null on the ham signal it couldnt be phased out...was published= in=20 our breakin mag..i got so good the s9+ power carriers were just a faint=20 dribble . after  a while they shut the power line system down..i=20 believe they now use OLD DOCTOR FINDLAYS modern methods   hihi=20 george  that all do now  ..a bed time story for lfers  =20= bye=20 for now
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