Return-Path: X-Spam-DCC: paranoid 1290; Body=3 Fuz1=3 Fuz2=3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id tABE6k8A018547 for ; Wed, 11 Nov 2015 15:06:47 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ZwVzA-0006iR-DJ for rs_out_1@blacksheep.org; Wed, 11 Nov 2015 14:02:52 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ZwVz9-0006iA-O7 for rsgb_lf_group@blacksheep.org; Wed, 11 Nov 2015 14:02:51 +0000 Received: from smtp.emerald.synacor.com ([208.47.184.7] helo=smtp02.emerald.cmh.synacor.com) by relay1.thorcom.net with esmtp (Exim 4.86) (envelope-from ) id 1ZwVyK-00016Y-FN for rsgb_lf_group@blacksheep.org; Wed, 11 Nov 2015 14:02:50 +0000 X_CMAE_Category: , , X-CNFS-Analysis: v=2.1 cv=L+y9O7n8 c=1 sm=1 tr=0 a=qfAT5ZSW+aHmkzAzLBRxhg==:117 a=qfAT5ZSW+aHmkzAzLBRxhg==:17 a=K-v-2zaBAAAA:8 a=tnUexOC3AAAA:8 a=kj9zAlcOel0A:10 a=F3M5lZpKAAAA:8 a=NLZqzBF-AAAA:8 a=iTBWhYYqmK_MiKUmigoA:9 a=dd3BL1rfsFPB17jZ:21 a=r-DtrEdVXzUs0g-m:21 a=CjuIK1q_8ugA:10 X-CM-Score: 0 X-Scanned-By: MIMEDefang 2.56 on 10.1.3.10 X-Scanned-by: Cloudmark Authority Engine X-Authed-Username: azhyekBldGNtYWlsLmNvbQ== X_CMAE_Category: , , X-CNFS-Analysis: X-CM-Score: X-Scanned-by: Cloudmark Authority Engine Authentication-Results: smtp02.emerald.cmh.synacor.com header.from=k8rz@etcmail.com; sender-id=neutral Authentication-Results: smtp02.emerald.cmh.synacor.com smtp.mail=k8rz@etcmail.com; spf=neutral; sender-id=neutral Authentication-Results: smtp02.emerald.cmh.synacor.com smtp.user=k8rz@etcmail.com; auth=pass (LOGIN) Received-SPF: neutral (smtp02.emerald.cmh.synacor.com: 50.153.97.1 is neither permitted nor denied by domain of etcmail.com) Received: from [50.153.97.1] ([50.153.97.1:53386] helo=[172.20.20.20]) by smtp.etc.emerald.synacor.com (envelope-from ) (ecelerity 3.6.1.42806 r(Platform:3.6.1.1)) with ESMTPA id 20/C0-22528-54A43465; Wed, 11 Nov 2015 09:01:42 -0500 User-Agent: Microsoft-MacOutlook/14.5.7.151005 Date: Wed, 11 Nov 2015 09:01:41 -0500 From: Jim Davey To: Message-ID: Thread-Topic: LF: LF receiver References: <1886523092.20151110195707@chriswilson.tv> <564342C7.17245.CDAA64@mike.dennison.ntlworld.com> In-Reply-To: <564342C7.17245.CDAA64@mike.dennison.ntlworld.com> Mime-version: 1.0 X-HELO-Warning: Remote host 208.47.184.7 (smtp.emerald.synacor.com) used invalid HELO/EHLO smtp02.emerald.cmh.synacor.com - verification failed X-Scan-Signature: 2e2f7cbbe9f38dd7bf3fac4fc012e6fc Subject: Re: LF: LF receiver Content-type: text/plain; charset="US-ASCII" Content-transfer-encoding: 7bit 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 Status: O X-Status: X-Keywords: X-UID: 4968 And also, by how many dB does the nighttime background level exceed the midday level? Jim, K8RZ On 11/11/15, 8:29 AM, "Mike Dennison" wrote: >2E0ILY wrote: > >> I need to work on my RX, my station seems deaf in comparison to many >> other UK ones, so I am going to investigate what I can do to improve >> things > >Chris, What receiver are you using? By how much does the background >noise go down when you disconnect the antenna (ideally replacing the >antenna with a 50-ohm resistor)? Do you have any local QRM? Are you >using a separate receive antenna, or the transmitting one? > >Mike, G3XDV >=========== >