Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id v9N9Ht0T014537 for ; Mon, 23 Oct 2017 11:17:58 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1e6YmY-00043b-De for rs_out_1@blacksheep.org; Mon, 23 Oct 2017 10:12:26 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1e6YmY-00043S-2r for rsgb_lf_group@blacksheep.org; Mon, 23 Oct 2017 10:12:26 +0100 Received: from mail-wm0-x230.google.com ([2a00:1450:400c:c09::230]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1e6YmR-0000jI-CV for rsgb_lf_group@blacksheep.org; Mon, 23 Oct 2017 10:12:24 +0100 Received: by mail-wm0-x230.google.com with SMTP id t69so8106438wmt.2 for ; Mon, 23 Oct 2017 02:12:19 -0700 (PDT) X-DKIM-Result: Domain=gmail.com Result=Good and Known Domain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=g8LXGlp17thgu6mZE+PThmPpRAGWqLUqW6MEGWu38L0=; b=GxyK3TvV13RFpN1h1XIWyL2JBLy6nwW5j3cQmO+pxPsxcCvh0YoQGW5MbYQem1WtZD u6sDcMOKtc7SZH1n4FqguUp4ejo22XZQi6hzricui1IUpBCU72dldHrPp33MWG/gjr9n 0e5eOsKUPco/8WrD8fQ4hNgZ8j/jQfcH8bgepO23q+nyXjgHbfzCtdE9SawS/pTEHuKz QSeP5VsD7GvSYdn+/X+R16txwehoOg8W/9KJWGG1NYlBaYq1RsJycBGOIPlYucErbizo dNlqX5A7PyFteWpfUGX2ezlMaLjSEGm7M6xiwYytIkPqR5AMtMeJYu1V0cPT5UsYT7iw 4BHg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=g8LXGlp17thgu6mZE+PThmPpRAGWqLUqW6MEGWu38L0=; b=JdFco65bkCnhYxyT4/doQxCTKY3xh86En6MagY2xV55m0gMhE7mZFQd3cBf65kRyly GbkfXUyLn8IGMmu8ychQm12l3INNAzNI0eKFtsZa9l7ohbK/WwIhM+AwTstOZmXkKENP o2GPwtCbBvedODM6Q2T5AqzT8MDsZslAw1qYihyy6tY9qQgq6bGx1znp2Q+wBuFCUAu0 qYhQWnNHS4p3ZldCQPJEyQ2Rs3UBu0OfwFmkuXbtJDg6o5V4NF9d/JDPXAHmgGOQxSmO 8U9C1woXJGsOvw80cQJrXZEmBDUPQGcEjufe2q24m9/6HzJBLXB4CSH4lQfZDewv8n7W iE1A== X-Gm-Message-State: AMCzsaXDnj83Q5PxcUUHul8FVh7hLvkj/pSPPj4sNkWCaBgKaXYE4Nq5 Q+k04ORpmgl9Z9SA/UojVZX948IZk40sGjV8mVs= X-Google-Smtp-Source: ABhQp+Qm7aB2DYRNbMI3fibs4gjhhlIidGisyooHPYFQ4sSh20LdWCCY0Zymn5g0+FCrh0Ju4jLVumgfLB7eZOaO1iY= X-Received: by 10.80.204.72 with SMTP id n8mr15718337edi.122.1508749937718; Mon, 23 Oct 2017 02:12:17 -0700 (PDT) MIME-Version: 1.0 Received: by 10.80.177.3 with HTTP; Mon, 23 Oct 2017 02:12:17 -0700 (PDT) In-Reply-To: References: From: Andy Talbot Date: Mon, 23 Oct 2017 10:12:17 +0100 Message-ID: To: rsgb_lf_group@blacksheep.org X-Spam-Score: 1.6 (+) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Its a difficult call - I have a similar problem with my 700 Watt 137kHz Tx. 30dB hum sidebands corresponds to 3% ripple, which in the main scheme of things is not that much. It would need an enormous reservoir capacitor to make a serious reduction. [...] Content analysis details: (1.6 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (andy.g4jnt[at]gmail.com) 1.6 SUBJ_ALL_CAPS Subject is all capitals 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: fce77e88417377663dedf94f027ec622 Subject: Re: Re: LF: MF/160 Content-Type: multipart/alternative; boundary="f40304394e5817b9fa055c333820" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_40_50,HTML_MESSAGE, LINES_OF_YELLING,LINES_OF_YELLING_2 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 --f40304394e5817b9fa055c333820 Content-Type: text/plain; charset="UTF-8" Its a difficult call - I have a similar problem with my 700 Watt 137kHz Tx. 30dB hum sidebands corresponds to 3% ripple, which in the main scheme of things is not that much. It would need an enormous reservoir capacitor to make a serious reduction. Either that or design the Tx to run from 50V and use a SMPSU instead of raw rectified AC Andy G4JNT On 23 October 2017 at 10:03, dhchurch wrote: > Mal, I think a little attention should be paid to, perhaps, your power > supply. The 100Hz sidebands, as I recall from earlier this week, should be > much lower in level. Seen on Spectrum Lab at one stage, they were less than > -30dB in comparative level. > > 73, Hugh, M0DSZ > > > ----- Receiving the following content ----- > *From:* Andy Talbot > *Receiver:* rsgb_lf_group > *Time:* 2017-10-22, 22:44:59 > *Subject:* Re: LF: MF/160 > > You're so strong, Mal, I'm getting decodes on your hum sidebands > > 21:36 G3KEV 0.475804 -27 0 IO94sh 5 G4JNT IO90iv 384 189 2017-10-22 21:36 > G3KEV 0.475704 +3 0 IO94sh 5 G4JNT IO90iv 384 189 2017-10-22 21:36 G3KEV > 0.475604 -29 0 IO94sh 5 G4JNT IO90iv 384 189 2017-10-22 1 > > Andy G4JNT > > On 22 October 2017 at 19:25, mal hamilton wrote: > >> NICE CONDX 160M THIS EVENING VK7DIK REPORTING G3KEV WSPR MODE >> >> LOOKING GOOD FOR MF/630 M ALSO >> >> TNX REPORT DE MAL/G3KEV >> >> Sent from Mail for >> Windows 10 >> >> > --f40304394e5817b9fa055c333820 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Its a difficult call - I have a similar problem with my 70= 0 Watt 137kHz Tx.=C2=A0 =C2=A030dB hum sidebands corresponds to 3% ripple, = which in the main scheme of things is not that much.=C2=A0 =C2=A0It would n= eed an enormous reservoir capacitor to make a serious reduction.=C2=A0=C2= =A0

Either that or design the Tx to run from 50V and use= a SMPSU instead of raw rectified AC

Andy=C2=A0 G4JN= T

On 23 October 2017 at 10:03, dhchurch <dhchurch@lineone.net> wrote:
Mal, I think a little attention should be paid to, perhaps, your power= =20 supply.=C2=A0The 100Hz sidebands, as I recall from earlier this week, shoul= d be=20 much lower in level. Seen on Spectrum Lab=C2=A0at one stage, they were less= than=20 -30dB in comparative level.=C2=A0
=C2=A0
73, Hugh, M0DSZ
=C2=A0
-----=20 Receiving the following content -----
From:=20 Andy Talbot=
Receiver:=20 rsgb_lf= _group
Time:=20 2017-10-22, 22:44:59
Subject:=20 Re: LF: MF/160

You're so strong, Mal,=E3=80=80 I'm getting deco= des on your hum=20 sidebands

21:36=E3=80=80=E3=80=80G3KEV=E3=80=80=E3=80=800.475804=E3=80=80=E3= =80=80-27=E3=80=80=E3=80=800=E3=80=80=E3=80=80IO94sh=E3=80=80=E3=80=805=E3= =80=80=E3=80=80G4JNT=E3=80=80=E3=80=80IO90iv=E3=80=80=E3=80=80384=E3=80=80= =E3=80=80189=E3=80=80=E3=80=802017-10-22=20 21:36=E3=80=80=E3=80=80G3KEV=E3=80=80=E3=80=800.475704=E3=80=80=E3=80=80+= 3=E3=80=80=E3=80=800=E3=80=80=E3=80=80IO94sh=E3=80=80=E3=80=805=E3=80=80=E3= =80=80G4JNT=E3=80=80=E3=80=80IO90iv=E3=80=80=E3=80=80384=E3=80=80=E3=80=801= 89=E3=80=80=E3=80=802017-10-22=20 21:36=E3=80=80=E3=80=80G3KEV=E3=80=80=E3=80=800.475604=E3=80=80=E3=80=80-= 29=E3=80=80=E3=80=800=E3=80=80=E3=80=80IO94sh=E3=80=80=E3=80=805=E3=80=80= =E3=80=80G4JNT=E3=80=80=E3=80=80IO90iv=E3=80=80=E3=80=80384=E3=80=80=E3=80= =80189=E3=80=80=E3=80=802017-10-22=20 1

Andy=E3=80=80 =E3=80=80G4JNT

On 22 October 2017 at 19:25, mal hamilton <g3kevmal@talktalk.net> wrote:

NICE CONDX 160M THIS EVENING VK7DIK =E3=80=80REP= ORTING G3KEV=20 WSPR MODE

LOOKING GOOD FOR MF/630 M ALSO

TNX REPORT DE MAL/G3KEV

=E3=80=80

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Sent from Mail=20 for Windows 10

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