Return-Path: Received: from mtain-ma05.r1000.mx.aol.com (mtain-ma05.r1000.mx.aol.com [172.29.96.13]) by air-md02.mail.aol.com (v129.4) with ESMTP id MAILINMD023-8b7a4ccaeaad125; Fri, 29 Oct 2010 11:39:25 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-ma05.r1000.mx.aol.com (Internet Inbound) with ESMTP id A12F6380020BE; Fri, 29 Oct 2010 11:38:24 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PBr0s-0005UK-Gw for rs_out_1@blacksheep.org; Fri, 29 Oct 2010 16:37:06 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PBr0s-0005UA-65 for rsgb_lf_group@blacksheep.org; Fri, 29 Oct 2010 16:37:06 +0100 Received: from p3plsmtpa01-06.prod.phx3.secureserver.net ([72.167.82.86]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1PBr0q-00042W-5q for rsgb_lf_group@blacksheep.org; Fri, 29 Oct 2010 16:37:06 +0100 Received: (qmail 11685 invoked from network); 29 Oct 2010 15:36:55 -0000 Received: from unknown (98.235.243.4) by p3plsmtpa01-06.prod.phx3.secureserver.net (72.167.82.86) with ESMTP; 29 Oct 2010 15:36:55 -0000 Message-ID: <4CCAE9C2.4040802@hifidelity.com> Date: Fri, 29 Oct 2010 15:35:30 +0000 From: Steve Dove User-Agent: Mozilla Thunderbird 1.0.6 (Windows/20050716) X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <7.0.1.0.1.20101025161631.01be62e8@xtra.co.nz> <6EA542075E294A1A8BA685655878A625@louis> <2294E36A-12DE-4E83-B89D-BDF9C0E1B9AA@numeo.fr> <016f01cb7750$5bd38930$0200a8c0@delld620> <685156.2787.qm@web86705.mail.ird.yahoo.com> In-Reply-To: <685156.2787.qm@web86705.mail.ird.yahoo.com> X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: Re: IC718 problem 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: 3039ac1d600d4ccaea701e74 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) Hi Dave, Jim, It's the spongey rubber-VCXO used in the IF shift/ passband tuning that's by far and away the worst drifty thing in the '735. More trouble than it's worth to try and fix, and which then leaves the radio with fixed bandwidth. Sigh. Other than that, great little radio. Cheers, Steve Dave Pick wrote: > Jim > > I have an old IC735 which I have modified to give a good output from the > transverter socket down to 136 (I removed a HPF) but the thing drifts > horribly, no good for anything more than QRSS3. A 706 would be better. > Which versions can be made to go into TX below 1.6MHz? I don't think a > MkIIG can but can a MkII? > > Dave. >