Return-Path: Received: from rly-dd07.mx.aol.com (rly-dd07.mail.aol.com [172.19.141.154]) by air-dd07.mail.aol.com (v125.7) with ESMTP id MAILINDD074-b8a4af7102842; Sun, 08 Nov 2009 13:38:39 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-dd07.mx.aol.com (v125.7) with ESMTP id MAILRELAYINDD074-b8a4af7102842; Sun, 08 Nov 2009 13:38:34 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1N7Cdn-00087w-NW for rs_out_1@blacksheep.org; Sun, 08 Nov 2009 18:37:31 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1N7Cdn-00087n-7J for rsgb_lf_group@blacksheep.org; Sun, 08 Nov 2009 18:37:31 +0000 Received: from out1.ip08ir2.opaltelecom.net ([62.24.128.244]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1N7Ccq-0001oK-4J for rsgb_lf_group@blacksheep.org; Sun, 08 Nov 2009 18:36:32 +0000 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AroFAE+f9kpcHccI/2dsb2JhbACCIS+BaYlDBsschD4E X-IronPort-AV: E=Sophos;i="4.44,704,1249254000"; d="scan'208,217";a="212475161" Received: from unknown (HELO mal769a60aa920) ([92.29.199.8]) by out1.ip08ir2.opaltelecom.net with SMTP; 08 Nov 2009 18:37:21 +0000 Message-ID: <027601ca60a2$841cd150$0301a8c0@mal769a60aa920> From: "mal hamilton" To: "rsgb" Date: Sun, 8 Nov 2009 18:37:24 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Karma: unknown: X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: WSPR Content-Type: multipart/alternative; boundary="----=_NextPart_000_0273_01CA60A2.83ED35D0" 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 X-AOL-IP: 193.82.116.20 ------=_NextPart_000_0273_01CA60A2.83ED35D0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable WSPR reports amongst stns indicate reception reports usually minus dB.= Most of these stations are usually PLUS dB with me or very close to= that figure. So what does that prove. I would say it depends on the RX antenna and= not necessarily propagation. A large antenna yields better results th= an a small loop or active whip. When I switch from my 1/4 wave inv L for 500 khz to a smaller 40 m res= onated loop for 500 the signals then do go down to a minus db figure. So what is all this all ABOUT ? There is also the TX pwr to consider. Two transmitters from the same= location one using QRO and the other QRP will be received at differen= t levels at a specified RX location. There is a lot of misrepresentati= on and misleading information by WSPR operator A trace of the signal is visible long before a decode takes place, the= refore why not use QRS in the first place. =20 G3KEV ------=_NextPart_000_0273_01CA60A2.83ED35D0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

WSPR reports amongst stns indicate re= ception=20 reports usually minus dB. Most of these stations are usually PLUS dB= with me or=20 very close to that figure.

So what does that prove. I would say= it depends on=20 the RX antenna and not necessarily propagation. A large antenna yields= better=20 results than a small loop or active whip.

When I switch from my 1/4 wave inv L= for 500 khz to=20 a smaller 40 m resonated loop for 500 the signals then do go down to= a minus db=20 figure.

So what is all this all ABOUT ?

There is also the TX pwr to consider.= Two=20 transmitters from the same location one using QRO and the other QRP wi= ll be=20 received at different levels at a specified RX location. There is a lo= t of=20 misrepresentation and misleading information by=20 WSPR operator

A trace of the signal&nbs= p;is visible=20 long before a decode takes place, therefore why not use QRS in th= e first=20 place.

G3KEV

------=_NextPart_000_0273_01CA60A2.83ED35D0--