Return-Path: Received: from mtain-mb05.r1000.mx.aol.com (mtain-mb05.r1000.mx.aol.com [172.29.96.25]) by air-dd07.mail.aol.com (v128.3) with ESMTP id MAILINDD073-865d4bd5f38d13; Mon, 26 Apr 2010 16:11:57 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mb05.r1000.mx.aol.com (Internet Inbound) with ESMTP id A002A380000FD; Mon, 26 Apr 2010 16:11:55 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1O6Ue4-00028w-Ts for rs_out_1@blacksheep.org; Mon, 26 Apr 2010 21:11:08 +0100 Received: from [193.82.59.130] (helo=relay2.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1O6Ue4-00028n-HA for rsgb_lf_group@blacksheep.org; Mon, 26 Apr 2010 21:11:08 +0100 Received: from mout2.freenet.de ([195.4.92.92]) by relay2.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1O6Ue3-0004eW-E6 for rsgb_lf_group@blacksheep.org; Mon, 26 Apr 2010 21:11:08 +0100 Received: from [195.4.92.15] (helo=5.mx.freenet.de) by mout2.freenet.de with esmtpa (ID dl4yhf@freenet.de) (port 25) (Exim 4.72 #3) id 1O6Ue1-00067K-TK for rsgb_lf_group@blacksheep.org; Mon, 26 Apr 2010 22:11:05 +0200 Received: from blfd-5d820a4b.pool.mediaways.net ([93.130.10.75]:1421 helo=[192.168.0.20]) by 5.mx.freenet.de with esmtpa (ID dl4yhf@freenet.de) (port 25) (Exim 4.72 #3) id 1O6Ue1-0001fa-Ns for rsgb_lf_group@blacksheep.org; Mon, 26 Apr 2010 22:11:05 +0200 Message-ID: <4BD5F358.8040508@freenet.de> Date: Mon, 26 Apr 2010 22:11:04 +0200 From: =?ISO-8859-1?Q?Wolfgang_B=FCscher?= User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <4EB4F8217FCC42CAB07AE666A6AB07B8@AGB> In-Reply-To: X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: Probably not a new question... Content-Type: text/plain; charset=ISO-8859-1; format=flowed 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=0.0 required=5.0 tests=none 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: 3039ac1d60194bd5f38b2e1b X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Beware, the Perseus doesn't work at a few kHz; it's nice for LF (where I use it too), but not for the lower VLF range. The reason is, I guess, the input filter which has an "L" between the input and ground (unlike SDR-IQ) . Cheers, Wolf . Marco IK1ODO schrieb: > At 20.55 26/04/2010, you wrote: >> You may be better building a LF convertor ? >> >> G .. > > I agree... probably a better choice, if you already have a _decent_ HF > receiver. > If not... consider buying a Perseus, but the price is 4,4 dB higher > than your target :-) > Otherwise, Racal 1792, Eddystone 1650, Rohde&Schwarz EK081, all in the > 500-1500 Euro range. > I don't consider amteur radio receivers to be good radios, expecially > at LF. > > 73 - Marco IK1ODO