Return-Path: Received: from rly-df02.mx.aol.com (rly-df02.mail.aol.com [172.19.156.15]) by air-df01.mail.aol.com (v124.15) with ESMTP id MAILINDF012-52f4a912af58c; Sun, 23 Aug 2009 07:42:01 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-df02.mx.aol.com (v124.15) with ESMTP id MAILRELAYINDF022-52f4a912af58c; Sun, 23 Aug 2009 07:41:45 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1MfBQm-0006i5-G4 for rs_out_1@blacksheep.org; Sun, 23 Aug 2009 12:40:16 +0100 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1MfBQm-0006hw-1Y for rsgb_lf_group@blacksheep.org; Sun, 23 Aug 2009 12:40:16 +0100 Received: from smtp800.mail.ird.yahoo.com ([217.146.188.60]) by relay3.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1MfBQf-0002ni-Q1 for rsgb_lf_group@blacksheep.org; Sun, 23 Aug 2009 12:40:11 +0100 Received: (qmail 75147 invoked from network); 23 Aug 2009 11:40:04 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=btinternet.com; h=Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:References:In-Reply-To:Subject:Date:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=zx7DNV7LHH+xxE7repDLZwebU59oTBhfG6viYDjCYdYjRBH2CKGc/eBU+AtyQp7jhMt3zJaGtyRvqxYBpTWlg6IRDdnspkoPoOh0I0WLenloCR6M95BwOwR+KbFNqdwSMaHADpSo2u+oL6eMOVg3IR8SaegzkHl7QGA6+WICiKI= ; Received: from unknown (HELO DennisPC) (dennis.easterling@86.161.177.84 with login) by smtp800.mail.ird.yahoo.com with SMTP; 23 Aug 2009 11:40:04 -0000 X-Yahoo-SMTP: H_MJu2qswBDkdHeCAZfwexko6VNOiMP5URzYEvz3WrE5v1grQm6fnvJecjM9 X-YMail-OSG: ZVbB2ocVM1nbG8sdImzXPCZxGkcKcbZanTNyOPUqbI4Iqurx70L9wdAAV1xkQxlbuUw_7IcQgDRtXsKNqjpkQ6C6zAvdPtdio4ygFU_kKbBS4VmzkzzjiUdrxCCTPCOJP9lFJYlFtgwBEaLDLwr3D9EZ6lwVAqhwBBJiMvxepBX61v15iOAYMDWCuK_FjMe02eBnIsAFiDkF_JbfiT92qFFKpiqcrj5byhDgJXUWqbVIoneNscsYQ1EuIJR5fC8C_tFdRNondjwOAIxpdoqVcDohx3ItO2BOcAZP8pbBK_jXocueD9xYCe6T X-Yahoo-Newman-Property: ymail-3 Message-ID: <17DA1B644CB940F4A747D7403B9E7D96@DennisPC> From: "DENNIS EASTERLING" To: References: <20090818201756.306460@gmx.net> In-Reply-To: Date: Sun, 23 Aug 2009 12:39:59 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6001.18000 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: LF: Re: Re: 500kHz qrg range Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.1 required=5.0 tests=MISSING_OUTLOOK_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 X-AOL-IP: 193.82.116.20 Hi Jim I think your suggestion to widen rx band a good idea. 73 Dennis M0JXM (Not the Dennis you had in mind I guess) ----- Original Message ----- From: "James Moritz" To: Sent: Tuesday, August 18, 2009 10:12 PM Subject: LF: Re: 500kHz qrg range > Dear Dennis, LF Group, > >> So I ask myself and now You :) , would You say it's important to keep the >> full rx range from 495kHz to 510kHz and >pay the price of a worse >> stopband attenuation, or do You think, it's unlikely to hear any >> transmission at the band corners? > > Certainly some of the US stations were operating beacons above 507kHz last > winter, so I would make the upper cut-off frequency 510k or above - it > would very frustrating if you could not receive signals because your own > preselector rejected them! If you need better stopband rejection, you > could add an extra resonator to the filter. > > Cheers, Jim Moritz > 73 de M0BMU > >