Return-Path: Received: from mtain-ma11.r1000.mx.aol.com (mtain-ma11.r1000.mx.aol.com [172.29.96.19]) by air-mb08.mail.aol.com (v126.13) with ESMTP id MAILINMB081-a7d34b5c68f722b; Sun, 24 Jan 2010 10:36:23 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-ma11.r1000.mx.aol.com (Internet Inbound) with ESMTP id 56BE03800008F; Sun, 24 Jan 2010 10:36:22 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1NZ4Ui-00070V-J8 for rs_out_1@blacksheep.org; Sun, 24 Jan 2010 15:35:20 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1NZ4Ui-00070M-7K for rsgb_lf_group@blacksheep.org; Sun, 24 Jan 2010 15:35:20 +0000 Received: from denhaag.ewi.utwente.nl ([130.89.10.11]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1NZ4Uf-0000HZ-Lt for rsgb_lf_group@blacksheep.org; Sun, 24 Jan 2010 15:35:20 +0000 Received: from ewi341.ewi.utwente.nl (ewi341.ewi.utwente.nl [130.89.12.233]) by denhaag.ewi.utwente.nl (8.13.6/8.13.6) with ESMTP id o0OFZEoD022893 for ; Sun, 24 Jan 2010 16:35:14 +0100 (MET) Received: by ewi341.ewi.utwente.nl (Postfix, from userid 651) id 1608F7C833D; Sun, 24 Jan 2010 16:35:16 +0100 (CET) Date: Sun, 24 Jan 2010 16:35:15 +0100 From: Pieter-Tjerk de Boer To: rsgb_lf_group@blacksheep.org Message-ID: <20100124153515.GA12172@cs.utwente.nl> Mail-Followup-To: rsgb_lf_group@blacksheep.org References: <002001ca9ce7$c0cdc650$6402a8c0@e7010> <20100124131626.GB9808@cs.utwente.nl> Mime-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.9i X-Spam-Score: -5.376 () ALL_TRUSTED,AWL,BAYES_00,J_CHICKENPOX_23,WEIRD_PORT X-Scanned-By: MIMEDefang 2.52 on 130.89.10.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0rc3 (denhaag.ewi.utwente.nl [130.89.10.11]); Sun, 24 Jan 2010 16:35:15 +0100 (MET) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: DI2AG WSPR Content-Type: text/plain; charset=us-ascii X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.9 required=5.0 tests=WEIRD_PORT 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: 3039ac1d60134b5c68f63f23 X-AOL-IP: 193.82.116.20 X-Mailer: Unknown (No Version) Hello Markus et al., On Sun, Jan 24, 2010 at 02:57:01PM +0100, Markus Vester wrote: > well Walter was probably referring to the receiver FPGA, running > through those billions of calculations per second ;-) Ah, I see ;-) Actually, the FPGA is a bit bored; it could serve even more and wider bands, but our current server PC can't handle that, unless I reduce the maximum number of listeners. > Yes, it was me "stealing" the audio from the Twente receiver - hope > you don't mind! No, I don't mind at all. In fact, I already guessed it was you, based on the server's user list, but I'm happy to now know for sure. > I did set the carrier to a low frequency (300 Hz) so that WSPR can > cope with the samplerate interpolation. Ok. When I manage to run the WSPR decoder here locally, that samplerate interpolation problem can be eliminated. B.t.w., our LF and MF grabber is running again, on: http://websdr.ewi.utwente.nl:8901/grabber.html I had to stop it earlier this week because of a programming error that caused it to take way too much computational effort. 73, Pieter-Tjerk, PA3FWM