Return-Path: Received: (qmail 7655 invoked from network); 28 Mar 2002 21:17:52 -0000 Received: from unknown (HELO warrior.services.quay.plus.net) (212.159.14.227) by excalibur-qfe1-smtp-plusnet.harl.plus.net with SMTP; 28 Mar 2002 21:17:52 -0000 Received: (qmail 7140 invoked from network); 28 Mar 2002 21:17:59 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by warrior.services.quay.plus.net with SMTP; 28 Mar 2002 21:17:59 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.33 #2) id 16qikc-0007Ny-00 for rsgb_lf_group-outgoing@blacksheep.org; Thu, 28 Mar 2002 22:52:10 +0000 Received: from www.gardaol.com ([195.223.232.51] helo=netregister.it ident=root) by post.thorcom.com with esmtp (Exim 3.33 #2) id 16qika-0007Nt-00 for rsgb_lf_group@blacksheep.org; Thu, 28 Mar 2002 22:52:09 +0000 Received: from ik2dedlibero (brescia19.phoenix.it [213.82.97.83]) by netregister.it (8.11.4/8.11.4) with SMTP id g2SLE3N09327 for ; Thu, 28 Mar 2002 22:14:04 +0100 Message-ID: <002b01c19e09$7c7018e0$536152d5@it> From: "Giulio Scaroni" To: rsgb_lf_group@blacksheep.org References: <3CA2EF81.94F50D1@netscapeonline.co.uk> Subject: LF: Re: SPM- 12 Date: Tue, 15 Jan 2002 22:13:30 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2919.6600 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Hi Mal, you wrote: > Someone posting here recently said their SPM-12 did not have a freq > locking facility. > My SPM12 has a phased locked loop, with coarse and fine tuning as well > as the main tuning dial, maybe there are various specifications for the > same models. > It has a 10 khz IF output plus other outputs. I built a product det and > the whole unit works well and is very sensitive and selective down to 25 > hz. I also use an ext DSP unit. The whole package makes a great LF > receiver and works well also with my receiving loop antenna. > 73 de Mal/G3KEV yes, Mal, i have discovered the phased locked loop later, now i have made some test and i found that the SPM 12 is a very good receiver for LF, and also the stability with PLL is good, also it has a very low phase noise and the option button "low noise input" work very well. This unit was bought here 2 weeks ago in hamfest for 170 Euro!! 73 and see you on the band. Giulio IK2DED.