X-GM-THRID: 1216204467021881261 X-Gmail-Labels: rsgb lf X-Gmail-Received: cb89f58285608abc97abb1574cbbb310bb60d3d6 Delivered-To: daveyxm@gmail.com Received: by 10.78.127.8 with SMTP id z8cs77072huc; Tue, 3 Oct 2006 06:21:03 -0700 (PDT) Received: by 10.67.103.7 with SMTP id f7mr3408020ugm; Tue, 03 Oct 2006 06:21:03 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.gmail.com with ESMTP id u1si3843448uge.2006.10.03.06.21.02; Tue, 03 Oct 2006 06:21:03 -0700 (PDT) Received-SPF: neutral (gmail.com: 193.82.116.20 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1GUk8j-0001Gb-Ut for rs_out_1@blacksheep.org; Tue, 03 Oct 2006 14:16:53 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1GUk8j-0001GS-Ht for rsgb_lf_group@blacksheep.org; Tue, 03 Oct 2006 14:16:53 +0100 Received: from amsfep17-int.chello.nl ([213.46.243.15] helo=amsfep15-int.chello.nl) by relay1.thorcom.net with esmtp (Exim 4.62) (envelope-from ) id 1GUk8f-0008I7-PZ for rsgb_lf_group@blacksheep.org; Tue, 03 Oct 2006 14:16:53 +0100 Received: from MARLEEN ([24.132.155.93]) by amsfep15-int.chello.nl (InterMail vM.6.01.04.04 201-2131-118-104-20050224) with SMTP id <20061003131532.XQAI29267.amsfep15-int.chello.nl@MARLEEN> for ; Tue, 3 Oct 2006 15:15:32 +0200 Message-ID: <001601c6e6ee$01426050$5d9b8418@MARLEEN> From: "PA0WFO" To: References: <45220984.5050008@telus.net> <000f01c6e6e9$455bf260$0100a8c0@HOST> Date: Tue, 3 Oct 2006 15:15:26 +0200 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2962 X-Spam-Score: -0.5 (/) X-Spam-Report: autolearn=disabled,AWL=-2.036,DNS_FROM_RFC_POST=1.376,FORGED_RCVD_HELO=0.05,HTML_40_50=0.086,HTML_MESSAGE=0.001 Subject: LF: Re: miniwhip miniresults...? Content-Type: multipart/alternative; boundary="----=_NextPart_000_0013_01C6E6FE.C1222580" 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 Status: O X-Status: X-Keywords: X-UID: 4196 This is a multi-part message in MIME format. ------=_NextPart_000_0013_01C6E6FE.C1222580 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To all , I,m using an active antenna simular to Roelofs mini whip for over 10 = years ( circuit practically the same with DC coupling between the J310 = and the 2N5109 ) with very good results . I tried it in combination with = a lot of different receivers and came to the conclusion that any = intermodulation was caused by overloading the receiver and not by = overloading the active antenna . Easy to check by using an external or = internal attenuator with steps of 10-20-30 dB between the active = antenna and the receiver . However I do not have any powerful transmitters in the neighbourhood . 73, William PA0WFO ------=_NextPart_000_0013_01C6E6FE.C1222580 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
To all=20 ,
I,m using = an active=20 antenna simular to Roelofs mini whip for over 10 years  ( circuit=20 practically the same with DC coupling between the J310 and the 2N5109 ) = with=20 very good results . I tried it in combination with a lot of different = receivers=20 and came to the conclusion that any intermodulation was caused by = overloading=20 the receiver and not by overloading the active antenna . Easy to check = by using=20 an external or internal attenuator with steps of 10-20-30 dB =  between the=20 active antenna and the receiver .
However I = do not =20 have any powerful transmitters in the neighbourhood = .
73, William = PA0WFO
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