Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dh05.r1000.mx.aol.com (Internet Inbound) with ESMTP id 2604F380000A6; Sat, 5 May 2012 13:23:03 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1SQigR-0005zJ-P7 for rs_out_1@blacksheep.org; Sat, 05 May 2012 18:22:15 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1SQigR-0005z6-C5 for rsgb_lf_group@blacksheep.org; Sat, 05 May 2012 18:22:15 +0100 Received: from out1.ip08ir2.opaltelecom.net ([62.24.128.244]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1SQigP-0006Eo-R0 for rsgb_lf_group@blacksheep.org; Sat, 05 May 2012 18:22:14 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ah8FAOtgpU9cHn4n/2dsb2JhbABFm3UDlnuBCIIDBBQBAQNJAiwCCAIBBgEdOQEEGgYkHQECAgEBiAGZEqBhkR8EiDCFSphGgmk X-IronPort-AV: E=Sophos;i="4.75,536,1330905600"; d="scan'208,217";a="526985689" Received: from host-92-30-126-39.as13285.net (HELO xphd97xgq27nyf) ([92.30.126.39]) by out1.ip08ir2.opaltelecom.net with SMTP; 05 May 2012 18:22:12 +0100 Message-ID: <004e01cd2ae3$9a7eb3b0$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: "rsgb" Date: Sat, 5 May 2012 17:22:09 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: MF/LF First observations indicate that the radio is a good performer on HF with appropriate antennas but on MF/LF with large antenna arrays there is cross modulation and overload. This could be overcome with a stepped ext attenuator or using smaller antennas on receive. Some other radios that I havd tried are useless on LF/MF with small antennas but very good with large antenna arrays. 73 de mal/g3kev [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [62.24.128.244 listed in list.dnswl.org] 0.0 FSL_XM_419 Old OE version in X-Mailer only seen in 419 spam -0.0 SPF_PASS SPF: sender matches SPF record 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 FSL_UA FSL_UA X-Scan-Signature: 290c8768709872f914a4ca71ad6bfe49 Subject: LF: Flex 3000 sdr radio Content-Type: multipart/alternative; boundary="----=_NextPart_000_004B_01CD2AE3.9A1A9AB0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,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-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:353508384:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d41194fa561f7623a X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. ------=_NextPart_000_004B_01CD2AE3.9A1A9AB0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MF/LF First observations indicate that the radio is a good performer on HF = with appropriate antennas but on MF/LF with large antenna arrays there = is cross modulation and overload. This could be overcome with a stepped = ext attenuator or using smaller antennas on receive. Some other radios that I havd tried are useless on LF/MF with small = antennas but very good with large antenna arrays. 73 de mal/g3kev ------=_NextPart_000_004B_01CD2AE3.9A1A9AB0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
MF/LF
First observations indicate that the radio is a = good=20 performer on HF with appropriate antennas but on MF/LF with large = antenna arrays=20 there is cross modulation and overload. This could be overcome with a = stepped=20 ext attenuator or using smaller antennas on receive.
Some other radios that I havd tried are useless = on LF/MF=20 with small antennas but very good with large antenna = arrays.
73 de mal/g3kev
 
 
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