Return-Path: Received: (qmail 3484 invoked from network); 28 Dec 2000 15:05:18 -0000 Received: from unknown (HELO murphys-inbound.servers.plus.net) (212.159.14.225) by extortion.plus.net with SMTP; 28 Dec 2000 15:05:18 -0000 Received: (qmail 23550 invoked from network); 28 Dec 2000 15:07:49 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by murphys with SMTP; 28 Dec 2000 15:07:49 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from majordom by post.thorcom.com with local (Exim 3.16 #1) id 14BeVr-0002Nw-00 for rsgb_lf_group-outgoing@blacksheep.org; Thu, 28 Dec 2000 14:58:39 +0000 Received: from mailout05.sul.t-online.com ([194.25.134.82]) by post.thorcom.com with esmtp (Exim 3.16 #1) id 14BeVn-0002Nr-00 for rsgb_lf_group@blacksheep.org; Thu, 28 Dec 2000 14:58:35 +0000 Received: from fwd07.sul.t-online.com by mailout05.sul.t-online.com with smtp id 14BeVe-0000z7-04; Thu, 28 Dec 2000 15:58:26 +0100 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from (0607144537-0001@[62.158.225.161]) by fwd07.sul.t-online.com with smtp id 14BeVW-22fDkGC; Thu, 28 Dec 2000 15:58:18 +0100 From: "bernd grupe" To: rsgb_lf_group@blacksheep.org Subject: LF: spuiis for LF? X-Mailer: T-Online eMail 2.34 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Date: Thu, 28 Dec 2000 15:58:18 +0100 Message-ID: <14BeVW-22fDkGC@fwd07.sul.t-online.com> X-Sender: 0607144537-0001@t-dialin.net Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Hi group, found this fine Freeware spurii on URL: http://www.hydesign.co.uk The Spur Search program allows analysis of possible spurious products generated within a radio system using multiple oscillators. One swept (eg 1st LO) and up to three fixed (eg 2nd LO / system clock etc.) can be specified and a search carried out to determine is any combinations of frequencies cause a product in, or traversing a bad of interest. A very useful tool for discovering mysterious lines on my spectrogram-screen. The following table gives an impression of my working conditions near the big commercial stations DCF42 and DBF39: the VFO is "Variable" (abt 1 kHz above rx-freq)! ---------------------------------------------------------------------- Spurii Search V2.12 15:49:01 28.12.00 Search for spurii in band 135.7kHz to 138kHz Variable=136.7kHz to 138.8kHz Fixed1=129kHz Fixed2=138.3kHz Fixed3=136.8kHz ---------------------------------------------------------------------- +1*Fixed3 (136.8kHz) +1*Fixed1+5*Fixed2-5*Fixed3 (136.5kHz) +1*Variable (136.7kHz to 138.8kHz) -1*Variable+2*Fixed3 (136.9kHz to 134.8kHz) -1*Variable+1*Fixed2+1*Fixed3 (138.4kHz to 136.3kHz) +1*Variable-1*Fixed2+1*Fixed3 (135.2kHz to 137.3kHz) -1*Variable+2*Fixed2 (139.9kHz to 137.8kHz) +1*Variable-2*Fixed2+2*Fixed3 (133.7kHz to 135.8kHz) +1*Variable+1*Fixed1+4*Fixed2-5*Fixed3 (134.9kHz to 137kHz) -1*Variable+1*Fixed1+5*Fixed2-4*Fixed3 (136.6kHz to 134.5kHz) +2*Variable-1*Fixed3 (136.6kHz to 140.8kHz) -2*Variable+3*Fixed3 (137kHz to 132.8kHz) +2*Variable-1*Fixed2 (135.1kHz to 139.3kHz) -2*Variable+1*Fixed2+2*Fixed3 (138.5kHz to 134.3kHz) -2*Variable+2*Fixed2+1*Fixed3 (140kHz to 135.8kHz) +2*Variable-2*Fixed2+1*Fixed3 (133.6kHz to 137.8kHz) -2*Variable+3*Fixed2 (141.5kHz to 137.3kHz) +2*Variable-3*Fixed2+2*Fixed3 (132.1kHz to 136.3kHz) +2*Variable+1*Fixed1+2*Fixed2-4*Fixed3 (131.8kHz to 136kHz) +2*Variable+1*Fixed1+3*Fixed2-5*Fixed3 (133.3kHz to 137.5kHz) -2*Variable+1*Fixed1+5*Fixed2-3*Fixed3 (136.7kHz to 132.5kHz) +2*Variable-1*Fixed1-5*Fixed2+5*Fixed3 (136.9kHz to 141.1kHz) +3*Variable-2*Fixed3 (136.5kHz to 142.8kHz) -3*Variable+4*Fixed3 (137.1kHz to 130.8kHz) +3*Variable-1*Fixed2-1*Fixed3 (135kHz to 141.3kHz) -3*Variable+1*Fixed2+3*Fixed3 (138.6kHz to 132.3kHz) +3*Variable+1*Fixed2-3*Fixed3 (138kHz to 144.3kHz) +3*Variable-2*Fixed2 (133.5kHz to 139.8kHz) -3*Variable+2*Fixed2+2*Fixed3 (140.1kHz to 133.8kHz) -3*Variable+3*Fixed2+1*Fixed3 (141.6kHz to 135.3kHz) +3*Variable-3*Fixed2+1*Fixed3 (132kHz to 138.3kHz) -3*Variable+4*Fixed2 (143.1kHz to 136.8kHz) +3*Variable-4*Fixed2+2*Fixed3 (130.5kHz to 136.8kHz) +3*Variable+1*Fixed1+1*Fixed2-4*Fixed3 (130.2kHz to 136.5kHz) +3*Variable+1*Fixed1+2*Fixed2-5*Fixed3 (131.7kHz to 138kHz) -3*Variable+1*Fixed1+5*Fixed2-2*Fixed3 (136.8kHz to 130.5kHz) +3*Variable-1*Fixed1-5*Fixed2+4*Fixed3 (136.8kHz to 143.1kHz) +4*Variable-3*Fixed3 (136.4kHz to 144.8kHz) -4*Variable+5*Fixed3 (137.2kHz to 128.8kHz) +4*Variable-1*Fixed2-2*Fixed3 (134.9kHz to 143.3kHz) -4*Variable+1*Fixed2+4*Fixed3 (138.7kHz to 130.3kHz) +4*Variable+1*Fixed2-4*Fixed3 (137.9kHz to 146.3kHz) +4*Variable-2*Fixed2-1*Fixed3 (133.4kHz to 141.8kHz) -4*Variable+2*Fixed2+3*Fixed3 (140.2kHz to 131.8kHz) +4*Variable-3*Fixed2 (131.9kHz to 140.3kHz) -4*Variable+3*Fixed2+2*Fixed3 (141.7kHz to 133.3kHz) -4*Variable+4*Fixed2+1*Fixed3 (143.2kHz to 134.8kHz) +4*Variable-4*Fixed2+1*Fixed3 (130.4kHz to 138.8kHz) -4*Variable+5*Fixed2 (144.7kHz to 136.3kHz) +4*Variable-5*Fixed2+2*Fixed3 (128.9kHz to 137.3kHz) +4*Variable+1*Fixed1-4*Fixed3 (128.6kHz to 137kHz) +4*Variable+1*Fixed1+1*Fixed2-5*Fixed3 (130.1kHz to 138.5kHz) -4*Variable+1*Fixed1+5*Fixed2-1*Fixed3 (136.9kHz to 128.5kHz) +4*Variable-1*Fixed1-5*Fixed2+3*Fixed3 (136.7kHz to 145.1kHz) +5*Variable-4*Fixed3 (136.3kHz to 146.8kHz) +5*Variable-1*Fixed2-3*Fixed3 (134.8kHz to 145.3kHz) -5*Variable+1*Fixed2+5*Fixed3 (138.8kHz to 128.3kHz) +5*Variable+1*Fixed2-5*Fixed3 (137.8kHz to 148.3kHz) +5*Variable-2*Fixed2-2*Fixed3 (133.3kHz to 143.8kHz) -5*Variable+2*Fixed2+4*Fixed3 (140.3kHz to 129.8kHz) +5*Variable-3*Fixed2-1*Fixed3 (131.8kHz to 142.3kHz) -5*Variable+3*Fixed2+3*Fixed3 (141.8kHz to 131.3kHz) +5*Variable-4*Fixed2 (130.3kHz to 140.8kHz) -5*Variable+4*Fixed2+2*Fixed3 (143.3kHz to 132.8kHz) -5*Variable+5*Fixed2+1*Fixed3 (144.8kHz to 134.3kHz) +5*Variable-5*Fixed2+1*Fixed3 (128.8kHz to 139.3kHz) +5*Variable+1*Fixed1-5*Fixed3 (128.5kHz to 139kHz) +5*Variable+1*Fixed1-1*Fixed2-4*Fixed3 (127kHz to 137.5kHz) +5*Variable+1*Fixed1-2*Fixed2-3*Fixed3 (125.5kHz to 136kHz) -5*Variable-1*Fixed1+2*Fixed2+5*Fixed3 (148.1kHz to 137.6kHz) -5*Variable+1*Fixed1+5*Fixed2 (137kHz to 126.5kHz) +5*Variable-1*Fixed1-5*Fixed2+2*Fixed3 (136.6kHz to 147.1kHz) 73 de Bernd, DF8ZR