Return-Path: Received: from rly-mg05.mx.aol.com (rly-mg05.mail.aol.com [172.20.83.111]) by air-mg09.mail.aol.com (v121_r2.12) with ESMTP id MAILINMG093-a1248c6ddeb147; Tue, 09 Sep 2008 16:35:20 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-mg05.mx.aol.com (v121_r2.11) with ESMTP id MAILRELAYINMG054-a1248c6ddeb147; Tue, 09 Sep 2008 16:34:54 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Kd9uh-0007L3-VJ for rs_out_1@blacksheep.org; Tue, 09 Sep 2008 21:34:15 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Kd9uh-0007Ku-BT for rsgb_lf_group@blacksheep.org; Tue, 09 Sep 2008 21:34:15 +0100 Received: from smtpq1.groni1.gr.home.nl ([213.51.130.200]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Kd9ue-0004Fe-FS for rsgb_lf_group@blacksheep.org; Tue, 09 Sep 2008 21:34:15 +0100 Received: from [213.51.130.190] (port=44579 helo=smtp1.groni1.gr.home.nl) by smtpq1.groni1.gr.home.nl with esmtp (Exim 4.60) (envelope-from ) id 1Kd9ud-00040r-EC for rsgb_lf_group@blacksheep.org; Tue, 09 Sep 2008 22:34:11 +0200 Received: from 5ed01a88.cable.ziggo.nl ([94.208.26.136]:1036 helo=pa3fnytrqxpddu) by smtp1.groni1.gr.home.nl with smtp (Exim 4.60) (envelope-from ) id 1Kd9uc-00070B-Ht for rsgb_lf_group@blacksheep.org; Tue, 09 Sep 2008 22:34:11 +0200 From: "Victor van Kooten" To: Date: Tue, 9 Sep 2008 20:33:58 -0000 Message-ID: MIME-Version: 1.0 X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 In-Reply-To: <88d2415e0809090929s2660426cj524adbc57a746956@mail.gmail.com> Importance: Normal X-Spam-Score: -0.5 (/) X-Karma: 0: X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: RE: AOR 7030 replaced Content-Type: multipart/alternative; boundary="----=_NextPart_000_000C_01C912BB.62C016B0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=HTML_30_40,HTML_FONTCOLOR_BLUE, HTML_MESSAGE 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-IP: 193.82.116.20 X-AOL-SCOLL-AUTHENTICATION: domain : post.thorcom.com ; SPF_helo = n X-AOL-SCOLL-AUTHENTICATION: domain : wanadoo.nl ; SPF_822_from = n ------=_NextPart_000_000C_01C912BB.62C016B0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit It is possible to turn off the agc with the IC7700,reception of VO1NA more then once..This is a dsp based receiver,also very stable with the OCXO. 73 Victor -----Oorspronkelijk bericht----- Van: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org]Namens lawrence mayhead Verzonden: dinsdag 9 september 2008 16:30 Aan: rsgb Onderwerp: LF: AOR 7030 replaced This could be a backward step for those of us using Argo/ Spectran etc to look for weak signals. All DSP receivers including the Icom 756 Pro 111 are not able to turn off the AGC. Hence when looking in a small bandwith usually much smaller than the DSP or even conventional filter bandwiths a strong signal within this larger b/w will de-sensitise the receiver to the extent that the weak signal will be lost. This was the problem I had in the early days of TA working. 73 Laurie. ------=_NextPart_000_000C_01C912BB.62C016B0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
It is=20 possible to turn off the agc with the IC7700,reception of VO1NA more then=20 once..This is a dsp based receiver,also very stable with the=20 OCXO.
 
73
Victor
-----Oorspronkelijk bericht-----
Van:=20 owner-rsgb_lf_group@blacksheep.org=20 [mailto:owner-rsgb_lf_group@blacksheep.org]Namens lawrence=20 mayhead
Verzonden: dinsdag 9 september 2008 16:30
Aan:= =20 rsgb
Onderwerp: LF: AOR 7030 replaced

This could be a backward step for those of us using Argo/=20 Spectran etc to look for
weak signals. All DSP receivers including the= =20 Icom 756 Pro 111 are not able to turn
off the AGC. Hence when looking i= n a=20 small bandwith usually much smaller than the
DSP or even conventional=20 filter bandwiths a strong signal within this larger b/w will
de-sensiti= se=20 the receiver to the extent that the weak signal will be lost. This was=20 the
problem I had in the early days of TA working.
73=20 Laurie.
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