Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mc02.r1000.mx.aol.com (Internet Inbound) with ESMTP id CBBB43800009A; Mon, 7 May 2012 13:25:08 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1SRRf7-0006Eg-Mu for rs_out_1@blacksheep.org; Mon, 07 May 2012 18:23:53 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1SRRf7-0006EX-0S for rsgb_lf_group@blacksheep.org; Mon, 07 May 2012 18:23:53 +0100 Received: from out1.ip06ir2.opaltelecom.net ([62.24.128.242]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1SRRf4-0005q6-EX for rsgb_lf_group@blacksheep.org; Mon, 07 May 2012 18:23:51 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgMFANcEqE9cHnqA/2dsb2JhbAAuFoJGgyytKoEIggcFAQEFCAEBAxYKKQIsAQEDBQIBAxEEAQEKChQDAgIUAQQaBg0JCAYTCgECAgEBiAGoRZJhin8DhQWBGASNephGgmk X-IronPort-AV: E=Sophos;i="4.75,545,1330905600"; d="scan'208,217";a="537281640" Received: from host-92-30-122-128.as13285.net (HELO xphd97xgq27nyf) ([92.30.122.128]) by out1.ip06ir2.opaltelecom.net with SMTP; 07 May 2012 18:23:43 +0100 Message-ID: <006001cd2c76$23d69180$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <1336399264.31260.YahooMailNeo@web132506.mail.ird.yahoo.com> <000001cd2c5f$724f7e60$56ee7b20$@com> <004001cd2c61$75fa24f0$0401a8c0@xphd97xgq27nyf> <001401cd2c62$fad2f980$f078ec80$@com> <002201cd2c6c$7912ae90$6b380bb0$@com> Date: Mon, 7 May 2012 17:23:37 -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. 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Content preview: Terry No need to remove C23 es C24. 73 de mal/g3kev ----- Original Message ----- From: Terry GW0EZY To: rsgb_lf_group@blacksheep.org Sent: Monday, May 07, 2012 4:14 PM Subject: LF: Decca 5501-9f tuning [...] 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 [62.24.128.242 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: 3cadac9249ff6c4f823a9f49e1952c65 Subject: LF: Re: Decca 5501-9f tuning Content-Type: multipart/alternative; boundary="----=_NextPart_000_005D_01CD2C76.23A48500" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.1 required=5.0 tests=HTML_60_70,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: 0:2:473148416:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d604a4fa80574675d 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_005D_01CD2C76.23A48500 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Terry No need to remove C23 es C24.=20 73 de mal/g3kev ----- Original Message -----=20 From: Terry GW0EZY=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Monday, May 07, 2012 4:14 PM Subject: LF: Decca 5501-9f tuning Mal =20 Would appreciate a confirmation from you or anyone who has converted a = 5501-9f: =20 For each of the 3 tank assemblies, I added 2 x 100 nF parallel = connected Wima Cs in series with the C5-C12 bank. This then matches the = C13-C22 bank giving 10 series/parallel 100nF in each bank. I also = removed C23 4.7 nF connected in parallel with C5-C12 and C24 4.7 nF = connected in parallel with C13-C22. Removal of C23 and C24 = wasn=E2=80=99t mentioned in the G0MRF conversion notes. =20 I am driving with one of the 5 MHz DDS from eBay. This allows an easy = sweep across the frequency range to check everything peaked on 137 kHz, = with no guard current showing. The signal looked clean on my SDR-IQ. =20 73 Terry =20 From: owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Terry GW0EZY Sent: 07 May 2012 16:06 To: rsgb_lf_group@blacksheep.org Subject: LF: RE: Re: RE: LF QSO - UK / EU? =20 Mal =20 A coincidence you should ask! =20 I finally got round to building a big variable PSU (20 Amp Variac = feeding a 3kVa site transformer + bridge rectifier and capcaitor) did = the mods to the 5501 and it fired up perfectly. At least 5A antenna = current showing on the meter and my 1200 Watt dummy load warming nicely. = Input 67 Volts at 22 Amps. =20 Thanks very much for the Tx. Just Have to sort out the antenna now. =20 73 Terry =20 From: owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of mal hamilton Sent: 07 May 2012 15:56 To: rsgb_lf_group@blacksheep.org Subject: LF: Re: RE: LF QSO - UK / EU? =20 Terry Have you fired the big rocket yet ?=20 mal/g3kev =20 ----- Original Message -----=20 From: Terry GW0EZY=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Monday, May 07, 2012 2:41 PM Subject: LF: RE: LF QSO - UK / EU? =20 Hi Chris =20 Just to let you know I am copying you in GW!! =20 Sorry no Tx. =20 73 Terry GW0EZY - IO82HO 12k West Welshpool =20 From: owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Chris Osborn Sent: 07 May 2012 15:01 To: LF Group Subject: LF: LF QSO - UK / EU? =20 LF, =20 Does anyone want a QRSS / DFCW (or even a CW !) QSO on LF ? I've been calling and sending test signals for ages on 137.7 kHz and = will be in the shack for another hour or so. =20 73 Chris G3XIZ ------=_NextPart_000_005D_01CD2C76.23A48500 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable =EF=BB=BF
Terry
No need to remove C23 es C24.
73 de mal/g3kev
 
----- Original Message -----
From:=20 Terry = GW0EZY
Sent: Monday, May 07, 2012 4:14 = PM
Subject: LF: Decca 5501-9f = tuning

Mal

 

Would=20 appreciate a confirmation from you or anyone who has converted a=20 5501-9f:

 

For=20 each of the 3 tank assemblies, I added 2 x 100 nF parallel connected = Wima Cs=20 in series with the C5-C12 bank.  This then matches the C13-C22 = bank=20 giving 10 series/parallel 100nF in each bank. I also removed C23 4.7 = nF=20 connected in parallel with  C5-C12 and C24 4.7 nF connected in = parallel=20 with C13-C22. Removal of C23 and C24 wasn=E2=80=99t mentioned in the = G0MRF conversion=20 notes.

 

I=20 am driving with one of the 5 MHz DDS from eBay. This allows an easy = sweep=20 across the frequency range to check everything peaked on 137 kHz, with = no=20 guard current showing. The signal looked clean on my=20 SDR-IQ.

 

73=20 Terry

 

From:=20 owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org]=20 On Behalf Of Terry GW0EZY
Sent: 07 May 2012=20 16:06
To: rsgb_lf_group@blacksheep.org
Subject: = LF: RE:=20 Re: RE: LF QSO - UK / EU?

 

Mal

 

A=20 coincidence you should ask!

 

I=20 finally got round to building a big variable PSU (20 Amp Variac = feeding a 3kVa=20 site transformer + bridge rectifier and capcaitor) did the mods to the = 5501=20 and it fired up perfectly. At least 5A antenna current showing on the = meter=20 and my 1200 Watt dummy load warming nicely. Input 67 Volts at 22=20 Amps.

 

Thanks=20 very much for the Tx. Just Have to sort out the antenna=20 now.

 

73=20 Terry

 

From: owner-rsgb_lf_group@bl= acksheep.org=20 [mailto:owner-rsgb_lf_g= roup@blacksheep.org]=20 On Behalf Of mal hamilton
Sent: 07 May 2012=20 15:56
To: rsgb_lf_group@blacksheep.org=
Subject:=20 LF: Re: RE: LF QSO - UK / EU?

 

Terry

Have you=20 fired the big rocket yet ?

mal/g3kev

 

----- = Original=20 Message -----

From: Terry = GW0EZY=20

To: rsgb_lf_group@blacksheep.org= =20

Sent: = Monday, May 07,=20 2012 2:41 PM

Subject: LF: = RE: LF QSO -=20 UK / EU?

 

Hi=20 Chris

 

Just=20 to let you know I am copying you in GW!!

 

Sorry=20 no Tx.

 

73=20 Terry GW0EZY - IO82HO 12k West Welshpool

 

From: owner-rsgb_lf_group@bl= acksheep.org=20 [mailto:owner-rsgb_lf_g= roup@blacksheep.org]=20 On Behalf Of Chris Osborn
Sent: 07 May 2012=20 15:01
To: LF Group
Subject: LF: LF QSO - UK /=20 EU?

 

LF,

 

Does=20 anyone want a QRSS / DFCW (or even a CW !) QSO on LF=20 ?

I've=20 been calling and sending test signals for ages on 137.7 kHz and will = be in=20 the shack for another hour or so.

 

73

Chris=20 = G3XIZ

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