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[195.171.43.25]) by mx.google.com with ESMTP id bv3si3225936wjc.166.1969.12.31.16.00.00; Sun, 08 Sep 2013 12:47:33 -0700 (PDT) Received-SPF: neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) client-ip=195.171.43.25; Authentication-Results: mx.google.com; spf=neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) smtp.mail=owner-rsgb_lf_group@blacksheep.org; dkim=pass header.i=@gmail.com; dmarc=pass (p=NONE dis=NONE) d=gmail.com Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1VIkSW-0004Bk-9O for rs_out_1@blacksheep.org; Sun, 08 Sep 2013 20:15:44 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1VIkSR-0004Bb-S1 for rsgb_lf_group@blacksheep.org; Sun, 08 Sep 2013 20:15:39 +0100 Received: from mail-oa0-f46.google.com ([209.85.219.46]) by relay1.thorcom.net with esmtps (TLSv1:RC4-SHA:128) (Exim 4.77) (envelope-from ) id 1VIkSP-0003iH-Li for rsgb_lf_group@blacksheep.org; Sun, 08 Sep 2013 20:15:38 +0100 Received: by mail-oa0-f46.google.com with SMTP id o20so5745525oag.5 for ; Sun, 08 Sep 2013 12:15:35 -0700 (PDT) X-DKIM-Result: Domain=gmail.com Result=Good and Known Domain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=0Msi0vFmqtjbYD/CU8YToStWNAwUkBHp0MRvjvaBNRg=; b=y4cingVMqi/wEztwb1yfpbbdlP1VHefrHng1O3DmcBb5dwz5B3Ds5bDPFNF8RUsl8i dJYv+N0VHYWsYUfHjbZ+4aY4Hxzi2jMeVYKnsc9FepFltbL5rwI4I5DzEvGCQ9T9eFrU sJE5r1DObjWuia7UzfxO7o+8QIvR2z2tw7yeD3rWgd1THXF+KYq+1hq2fD0bxOLNgWLr NRW60qlSoOcf2XSwmUBHqeZ98zWi3HhKrO2gI/vR6++tz8qhmXoi0OYxyzMIkFS2k6Xc KheNavo1O6mKeDfose1fkNGEFbpaonaR7cCSpbIRrcS8y24fFUh+Xa+wqZD1jj05vS8f To1Q== MIME-Version: 1.0 X-Received: by 10.182.28.134 with SMTP id b6mr9034516obh.27.1378667735094; Sun, 08 Sep 2013 12:15:35 -0700 (PDT) Received: by 10.60.55.129 with HTTP; Sun, 8 Sep 2013 12:15:35 -0700 (PDT) In-Reply-To: <903E120C9B9747489DF5329EEC0657B4@AGB> References: <522CB1ED.3080603@aol.com> <903E120C9B9747489DF5329EEC0657B4@AGB> Date: Sun, 8 Sep 2013 15:15:35 -0400 Message-ID: From: Warren Ziegler To: rsgb_lf_group X-Spam-Score: -0.7 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: G, The article is on the relationship between dBs, power, and s-meter readings. Nailer uses 137kHz to demonstrate that since antenna efficiencies are low, it takes a lot of power to reach 1W ERP. But then he goes beyond that by stating that due to limited bandwidth as well as low efficiency antennas that the band is worthless. [...] Content analysis details: (-0.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [209.85.219.46 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (wd2xgj[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 3dad7246509e3b317974c9d84e795ac1 Subject: Re: LF: G4CFY writes off the 137kHz band Content-Type: multipart/alternative; boundary=001a11c2903c9d1c6c04e5e41832 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,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 Status: O X-Status: X-Keywords: X-UID: 2345 --001a11c2903c9d1c6c04e5e41832 Content-Type: text/plain; charset=ISO-8859-1 G, The article is on the relationship between dBs, power, and s-meter readings. Nailer uses 137kHz to demonstrate that since antenna efficiencies are low, it takes a lot of power to reach 1W ERP. But then he goes beyond that by stating that due to limited bandwidth as well as low efficiency antennas that the band is worthless. 73 Warren K2ORS On Sun, Sep 8, 2013 at 1:29 PM, Graham wrote: > And those who go a little more , > Cams' comic > so im reliably informed > G, > But , what actually is he talking about in the article ? > > > ------------------------------**-------------------- > From: "pat" > Sent: Sunday, September 08, 2013 6:20 PM > To: > Cc: "Warren Ziegler" > Subject: Re: LF: G4CFY writes off the 137kHz band > > > Warren, >> While many of us (particularly those of us of a certain age) have an >> affection stretching back to near childhood for that publication it is not >> for nothing that we nickname it "Practically Witless Monthly" :>) >> >> 73 >> >> >> On 08/09/13 02:53, Warren Ziegler wrote: >> >>> >>> Tony Nailer G4CFY has a bit in his "Practical Wireless" column >>> "Technical for the terrified" this month on the 137 kHz band in which he >>> writes it off as worthless. >>> >>> "With the limitation of antenna efficiency together with a bandwidth of >>> only 100Hz, there really isn't much that can be done with this band." >>> >>> Anyone on the list know Tony? >>> Who is in the best position to write a rebuttal that PW will publish? >>> >>> >>> -- >>> 73 Warren K2ORS >>> WD2XGJ >>> WD2XSH/23 >>> WE2XEB/2 >>> WE2XGR/1 >>> >>> >> >> -- >> 73 de pat g4gvw >> es gd dx >> qth nr Felixstowe >> East Coast UK >> >> >> > -- 73 Warren K2ORS WD2XGJ WD2XSH/23 WE2XEB/2 WE2XGR/1 --001a11c2903c9d1c6c04e5e41832 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
G,
=A0 =A0 The article is on the relationship between = dBs, power, and s-meter readings.
Nailer uses 137kHz to demonstra= te that since antenna efficiencies are low, it takes a lot of power to reac= h 1W ERP.
But then he goes beyond that by stating that due to limited bandwidth = as well as low efficiency antennas that the band is worthless.

73 Warren K2ORS



On Sun, Sep 8, 2013 at 1:29 PM, Graham <= span dir=3D"ltr"><g8fzk@g8fzk.fsnet.co.uk> wrote:
And those who go a little =A0more =A0,
Cams' comic
so =A0im reliably =A0informed
G,
But =A0, what =A0actually =A0is =A0he =A0talking =A0about in the =A0article= =A0?


--------------------------------------------------
From: "pat" <g4gvw@aol.com>
Sent: Sunday, September 08, 2013 6:20 PM
To: <r= sgb_lf_group@blacksheep.org>
Cc: "Warren Ziegler" <wd2xgj@gmail.com>
Subject: Re: LF: G4CFY writes off the 137kHz band


Warren,
While many of us (particularly those of us of a certain age) have an affect= ion stretching back to near childhood for that publication it is not for no= thing that we nickname it "Practically Witless Monthly" :>)
73


On 08/09/13 02:53, Warren Ziegler wrote:

Tony Nailer G4CFY has a bit in his "Practical Wireless" column &q= uot;Technical for the terrified" this month on the 137 kHz band in whi= ch he writes it off as worthless.

"With the limitation of antenna efficiency together with a bandwidth o= f only 100Hz, there really isn't much that can be done with this band.&= quot;

=A0Anyone on the list know Tony?
Who is in the best position to write a rebuttal that PW will publish?


--
73 Warren K2ORS
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WD2XGJ
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WD2XSH/23
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WE2XEB/2
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WE2XGR/1



--
73 de pat g4gvw
es gd dx
qth nr Felixstowe
East Coast UK






--
= 73 Warren K2ORS
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WD2XGJ
=A0 =A0 =A0 = =A0 =A0 =A0 =A0 =A0 WD2XSH/23
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WE2XEB/2=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WE2XGR/1

=A0 --001a11c2903c9d1c6c04e5e41832--