Return-Path: X-Spam-DCC: paranoid 1290; Body=1 Fuz1=2 Fuz2=2 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, HTML_MESSAGE 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 u1EAmEek006746 for ; Sun, 14 Feb 2016 11:48:14 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1aUu4y-0003ZL-Io for rs_out_1@blacksheep.org; Sun, 14 Feb 2016 10:39:00 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1aUu4y-0003ZC-2u for rsgb_lf_group@blacksheep.org; Sun, 14 Feb 2016 10:39:00 +0000 Received: from smtp09.smtpout.orange.fr ([80.12.242.131] helo=smtp.smtpout.orange.fr) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.86) (envelope-from ) id 1aUu3t-0008Pc-V7 for rsgb_lf_group@blacksheep.org; Sun, 14 Feb 2016 10:38:58 +0000 Received: from pcn5 ([92.142.201.186]) by mwinf5d17 with ME id JAdc1s00941oC2c03Add8e; Sun, 14 Feb 2016 11:37:37 +0100 X-ME-Helo: pcn5 X-ME-Date: Sun, 14 Feb 2016 11:37:37 +0100 X-ME-IP: 92.142.201.186 Message-ID: <3981E6D8F52B4389AF4A28205EA12878@pcn5> From: "F6CNI - Andy - JN19QB" To: "RSGB LF Group" Date: Sun, 14 Feb 2016 11:37:33 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 16.4.3564.1216 X-MimeOLE: Produced By Microsoft MimeOLE V16.4.3564.1216 X-Antivirus: avast! (VPS 160213-1, 13/02/2016), Outbound message X-Antivirus-Status: Not-Tested X-Scan-Signature: 3d0ae5b4ae8b74dc4bf5c1dbe3fef430 Subject: LF: De F6CNI : Testing this evening a short whip on WSPR2 MF. Content-Type: multipart/alternative; boundary="----=_NextPart_000_0007_01D1671C.18358180" 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 6790 Ce message est composi et au format MIME. ------=_NextPart_000_0007_01D1671C.18358180 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Hi All. This evening I=E2=80=99ll test on MF WSPR2 a short 5 meters long = vertical whip. It is a thin wire inside a telescopic fiberglass fishing = pole. Including coil and ground resistances, the base impedance is 54 - 10100 = j. The antenna needs about 3.4mH serial coil to tune it. Computed effeciency is =E2=80=93 33 dB. Using 1 Watt output TX for this = test, the expected ERP is 0.5 mW and 0.75 mW for the EIRP. Base current is 135 mA and RMS RF voltage is 1350 V. Reports be welcome. 73 de Andy. ------=_NextPart_000_0007_01D1671C.18358180 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

Hi All.

This evening I=E2=80=99ll test on MF WSPR2 a short 5 meters long vertical = whip. It=20 is a thin wire inside a telescopic fiberglass fishing pole.

Including coil and ground resistances, the base = impedance=20 is 54 - 10100 j. The antenna needs about 3.4mH serial coil to tune=20 it.

Computed effeciency is =E2=80=93 33 dB. Using 1 = Watt output TX for=20 this test, the expected ERP is 0.5 mW and 0.75 mW for the = EIRP.

Base current is 135 mA and RMS RF voltage is = 1350=20 V.

Reports be welcome.

73 de Andy.

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