X-GM-THRID: 1201055461813100488 X-Gmail-Labels: rsgb lf X-Gmail-Received: ce09ae628385067fc02d9803cc68feeb5cbf6bc8 Delivered-To: daveyxm@gmail.com Received: by 10.54.70.6 with SMTP id s6cs4107wra; Thu, 20 Apr 2006 15:56:35 -0700 (PDT) Received: by 10.49.31.14 with SMTP id i14mr138717nfj; Thu, 20 Apr 2006 15:56:35 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.gmail.com with ESMTP id a24si1343869nfc.2006.04.20.15.56.34; Thu, 20 Apr 2006 15:56:35 -0700 (PDT) Received-SPF: neutral (gmail.com: 193.82.116.20 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1FWi2d-000805-Ul for rs_out_1@blacksheep.org; Thu, 20 Apr 2006 23:54:27 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1FWi2d-0007zw-CZ for rsgb_lf_group@blacksheep.org; Thu, 20 Apr 2006 23:54:27 +0100 Received: from imo-m25.mx.aol.com ([64.12.137.6]) by relay1.thorcom.net with esmtp (Exim 4.51) id 1FWjpc-0003Ww-1B for rsgb_lf_group@blacksheep.org; Fri, 21 Apr 2006 01:49:23 +0100 Received: from MarkusVester@aol.com by imo-m25.mx.aol.com (mail_out_v38_r7.5.) id l.3b1.e9bd3b (33856) for ; Thu, 20 Apr 2006 18:54:03 -0400 (EDT) From: MarkusVester@aol.com Message-ID: <3b1.e9bd3b.31796b0b@aol.com> Date: Thu, 20 Apr 2006 18:54:03 EDT To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Mailer: 8.0 for Windows sub 6104 X-Spam-Flag: NO X-Spam-Score: -0.9 (/) X-Spam-Report: autolearn=disabled,AWL=-1.179,HTML_30_40=0.056,HTML_MESSAGE=0.001,NO_REAL_NAME=0.178 Subject: Re: LF: 18.5 kHz in CT Content-Type: multipart/alternative; boundary="part1_3b1.e9bd3b.31796b0b_boundary" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.7 required=5.0 tests=HTML_MESSAGE, HTML_TAG_BALANCE_HTML,NO_REAL_NAME 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 Status: O X-Status: X-Keywords: X-UID: 6451 --part1_3b1.e9bd3b.31796b0b_boundary Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable Hi Jos=E9, no, not really a cardioid. The cardioid symbol appears in SpecLab's RDF scal= e=20 because I sometimes use the directional null function to mitigate green band= s=20 from a certain switched-mode power supply. This one is much stronger on the=20 loops than on the E-field antenna, and I can minimize it by adding in a smal= l=20 portion of the H-field channel in antiphase (H/E-weighting =3D 0.2). For far= =20 field reception, this does create a small 20% asymmetry in the directional=20 pattern. Re the original subject line: The test transmissions from DHO38 18.5 kHz=20 ceased yesterday morning 07:00. However some of the WWLLN spectrograms, most= ly=20 from the pacific area, still show another FSK signal on that frequency. I=20 couldn't find this one in the station listings, does anyone know what it is? 73 and all the best Markus In einer eMail vom 20.04.2006 23:05:43 Westeurop=E4ische Sommerzeit schreibt= =20 jpradoes@telefonica.net:=20 > Markus , does your Grabber have a cardiod receiving pattern? > --part1_3b1.e9bd3b.31796b0b_boundary Content-Type: text/html; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable Hi Jos=E9,

no, not really a cardioid. The cardioid symbol appears in SpecLab's RDF scal= e because I sometimes use the directional null function to mitigate green ba= nds from a certain switched-mode power supply. This one is much stronger on=20= the loops than on the E-field antenna, and I can minimize it by adding in a=20= small portion of the H-field channel in antiphase (H/E-weighting =3D 0.2). F= or far field reception, this does create a small 20% asymmetry in the direct= ional pattern.

Re the original subject line: The test transmissions from DHO38 18.5 kHz cea= sed yesterday morning 07:00. However some of the WWLLN spectrograms, mostly=20= from the pacific area, still show another FSK signal on that frequency. I co= uldn't find this one in the station listings, does anyone know what it is?
73 and all the best
Markus

In einer eMail vom 20.04.2006 23:05:43 Westeurop=E4ische Sommerzeit schreibt= jpradoes@telefonica.net:

Markus , does your Grabber have= a cardiod receiving pattern?
 --part1_3b1.e9bd3b.31796b0b_boundary--