Return-Path: Received: from mtain-dl11.r1000.mx.aol.com (mtain-dl11.r1000.mx.aol.com [172.29.74.217]) by air-mc03.mail.aol.com (v129.4) with ESMTP id MAILINMC033-a8dd4d440d50373; Sat, 29 Jan 2011 07:51:28 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dl11.r1000.mx.aol.com (Internet Inbound) with ESMTP id 2D4A338000091; Sat, 29 Jan 2011 07:51:26 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PjAG3-0000P3-9q for rs_out_1@blacksheep.org; Sat, 29 Jan 2011 12:50:27 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PjAG2-0000Ou-So for rsgb_lf_group@blacksheep.org; Sat, 29 Jan 2011 12:50:26 +0000 Received: from mail-iy0-f171.google.com ([209.85.210.171]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PjAFz-0007oB-LV for rsgb_lf_group@blacksheep.org; Sat, 29 Jan 2011 12:50:26 +0000 Received: by iyj21 with SMTP id 21so3617894iyj.16 for ; Sat, 29 Jan 2011 04:50:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:date:message-id:subject:from:to :content-type; bh=Uu1Wc9ZJE1zS6/MYIAf5kq/O7G70mSaeUWhpJgSHUM8=; b=HvlUGkBc1hdND+fv5SD33//BuTuN52Euo3juJtqxWyPsWeyuq29xwlHhig2iDt+0De LSD/3nAb85S9daEsaoBRDCvjI4zIMMrSezQ/Zrshe/I53v0Gk2XLFG5rqvTG7pZZ4rWU hhA/LXqmJ4rjWTVlDZseCsIpye2lWNFIKhGeU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=ZkA1HTjXB7od52xg1Rd5swuvheRTdXPUhyuu5BfMfunRhUrTizH7xNJ9YtYJfRyEA1 mLRoVlTURq9hIrda5Ae49lL1VuBf3rVmMmXs5GKJ4YLrbsns3Zu7vsVA+3Z1/Nl09DTN 1ej+p5Sl2pk3XmSwGKwN2XsUv4DG08T+fRW6M= MIME-Version: 1.0 Received: by 10.42.178.135 with SMTP id bm7mr5323409icb.158.1296305416911; Sat, 29 Jan 2011 04:50:16 -0800 (PST) Received: by 10.42.241.73 with HTTP; Sat, 29 Jan 2011 04:50:16 -0800 (PST) Date: Sat, 29 Jan 2011 12:50:16 +0000 Message-ID: From: Roger Lapthorn To: rsgb_lf_group@blacksheep.org DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: 137.5kHz WSPRing - reports appreciated Content-Type: multipart/alternative; boundary=90e6ba6e866ee53caa049afb9f8e 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-global-disposition: G x-aol-sid: 3039ac1d4ad94d440d4e39e7 X-AOL-IP: 195.171.43.25 X-Mailer: Unknown (No Version) --90e6ba6e866ee53caa049afb9f8e Content-Type: text/plain; charset=ISO-8859-1 Hi All, Working on my 137.5kHz QRP transverter and will be TXing and RXing on 137.5kHz WSPR on and off during the weekend, so I 'd *appreciate any reports *. There are not that many people looking on 137.5kHz WSPR (136kHz USB dial) within my range, which is around 50-150km maximum. At the moment I'm combining the RX preamp with the TX part of the transverter and optimising the combination. I use the RX part "straight through" via a tuned preamp using the FT817 in split mode RXing on 137kHz. This simplifies the design and should avoid relays or TX/RX switches. 73s Roger G3XBM -- g3xbm-qrp.blogspot.com/ www.g3xbm.co.uk www.youtube.com/user/g3xbm G3XBM GQRP 1678 ISWL G11088 --90e6ba6e866ee53caa049afb9f8e Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi All,

Working on my 137.5kHz QRP transverter and will be TXing an= d RXing on 137.5kHz WSPR on and off during the weekend, so I 'd app= reciate any reports. There are not that many people looking on 137.5kH= z WSPR (136kHz USB dial) within my range, which is around 50-150km maximum= .

At the moment I'm combining the RX preamp with the TX part of the= transverter and optimising the combination. I use the RX part "strai= ght through" via a tuned preamp using the FT817 in split mode RXing= on 137kHz. This simplifies the design and should avoid relays or TX/RX sw= itches.

73s
Roger G3XBM

--
g3xbm-qrp.blogspot.com/
www.g3xbm.co.uk
www.youtube.com/user/g3xbm<= /a>
G3XBM=A0=A0 GQRP 1678= =A0=A0=A0 ISWL G11088
--90e6ba6e866ee53caa049afb9f8e--