Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dc06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 65A2138000096; Fri, 29 Jun 2012 03:40:20 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1SkVnJ-0000yY-GQ for rs_out_1@blacksheep.org; Fri, 29 Jun 2012 08:39:09 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1SkVnI-0000yP-VL for rsgb_lf_group@blacksheep.org; Fri, 29 Jun 2012 08:39:08 +0100 Received: from out1.ip05ir2.opaltelecom.net ([62.24.128.241]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1SkVnG-0002Q0-Lx for rsgb_lf_group@blacksheep.org; Fri, 29 Jun 2012 08:39:07 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgUFAIpa7U9Ok8ZS/2dsb2JhbABFgkWeF5VrgQiCEwUBAQUIAQEDSQIOHgEBAwUCAQMRBAEBCiUUAQQaBhYIBhMKAQICAQGHbAMPr1kLiVCKU2QbhW8DiBeFNpJohQCCXw X-IronPort-AV: E=Sophos;i="4.77,497,1336345200"; d="scan'208,217";a="386260913" Received: from host-78-147-198-82.as13285.net (HELO xphd97xgq27nyf) ([78.147.198.82]) by out1.ip05ir2.opaltelecom.net with SMTP; 29 Jun 2012 08:39:05 +0100 Message-ID: <001301cd55ca$42475be0$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <000901cd5561$92ff83a0$0401a8c0@xphd97xgq27nyf> <233C8A8FA9234F7BAA7D8A1505198AA4@AGB> <1340915761.45919.YahooMailNeo@web171601.mail.ir2.yahoo.com> Date: Fri, 29 Jun 2012 07:39:03 -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: 3.1 (+++) 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: Pete I got some fb reports from AA1A in the USA. We used to work xband, he would reply on 7033 Khz, the same from Moscow stns. This was in the early days of 500. I only work QSO mode and no Beacon thrashing. All transmitters need tweaking and matching to Antenna. Adjusting a class E transmitter takes a few minutes if constructed properly for the design frequency. 73 gl de mal/g3kev [...] Content analysis details: (3.1 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [62.24.128.241 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 1.6 FSL_UA FSL_UA 1.5 AXB_XMAILER_MIMEOLE_OL_024C2 AXB_XMAILER_MIMEOLE_OL_024C2 X-Scan-Signature: 052e5a7ab87161a07560b72babff3441 Subject: Re: LF: Emailing: malk 107 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0010_01CD55CA.41D9A5F0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_40_50,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: 0:2:464627360:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d40864fed5be3354f 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_0010_01CD55CA.41D9A5F0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Pete I got some fb reports from AA1A in the USA. We used to work xband, he = would reply on 7033 Khz, the same from Moscow stns. This was in the early days of 500.=20 I only work QSO mode and no Beacon thrashing.=20 All transmitters need tweaking and matching to Antenna. Adjusting a = class E transmitter takes a few minutes if constructed properly for the = design frequency.=20 73 gl de mal/g3kev =20 ----- Original Message -----=20 From: M0FMT=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, June 28, 2012 8:36 PM Subject: Re: LF: Emailing: malk 107 OK Mal Thanks for the advice. The GW3UEP was the answer to the Unobtainium = issue. Every bit could be obtained from Maplin. Not semi professional = Amateur with component access through the "Company", you can see that in = the LF HB. It would be nice just to take a High power design that is = "Surefire" build it and have it on the air with out a process of = tweaking and tuning and bits of FET ricocheting round the shack before = you finally tame it. I think I am almost there doing it empirically. That's what I am hoping with Stefans design but the ferrite "Black = magic"...... + Oh and your big sig in Moscow is more a function of your big = antenna..... yes?......... :o)=20 73 es GL Pete M0FMT IO91UX From: Graham To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, 28 June 2012, 20:20 Subject: Re: LF: Emailing: malk 107 Bit of Lemon Pledge ? From: mal hamilton=20 Sent: Thursday, June 28, 2012 8:09 PM To: rsgb=20 Subject: LF: Emailing: malk 107 Pete es co The 500 Khz rig that I built in a couple of hours. Components from = the junk box. The FET driver in this case was a complimentary pair of = transistors. Class E single ended one FET. At the start I used a xtal osc then changed to the IC706 as an = exciter, a couple of diodes to SQ the sinewave. The tank cct inductor is an old WW2 ceramic ex TU7B tuning unit. I put a good signal into the USA es Canada es Moscow with this = transmitter on CW.=20 73 de mal/g3kev ------=_NextPart_000_0010_01CD55CA.41D9A5F0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Pete
I got some fb reports from AA1A in the USA. We = used to=20 work xband, he would reply on 7033 Khz, the same from Moscow = stns.
This was in the early days of = 500. 
I only work QSO mode and no Beacon thrashing.=20
All transmitters need tweaking and matching to = Antenna.=20 Adjusting a class E transmitter takes a few minutes if = constructed properly=20 for the design frequency.
73 gl de mal/g3kev
 
 
----- Original Message -----
From:=20 M0FMT
Sent: Thursday, June 28, 2012 = 8:36=20 PM
Subject: Re: LF: Emailing: malk = 107

OK Mal
 
Thanks for the advice. The GW3UEP was the answer to the = Unobtainium=20 issue. Every bit could be obtained from Maplin. Not semi professional = Amateur=20 with component access through the "Company", you can see that in the = LF HB. It=20 would be nice just to take a High power design that is "Surefire" = build=20 it and have it on the air with out a process of tweaking and tuning and bits of = FET=20 ricocheting round the shack before you finally tame it. I think I am = almost=20 there doing it empirically.
That's what I am hoping with Stefans = design but=20 the ferrite "Black magic"...... +
Oh and your big sig in Moscow is more a function of = your big=20 antenna..... yes?......... :o) 

73 es GL Pete M0FMT IO91UX
From:=20 Graham <g8fzk@g8fzk.fsnet.co.uk>
To: = rsgb_lf_group@blacksheep.org=20
Sent: Thursday, 28 = June=20 2012, 20:20
Subject: Re: LF:=20 Emailing: malk 107

Bit  of  Lemon Pledge  ?
Sent: Thursday, June 28, 2012 8:09 PM
To: rsgb
Subject: LF: Emailing: malk 107

Pete es co
The 500 Khz rig that I built in a  couple of hours. = Components from=20 the junk box. The FET driver in this case was a complimentary pair of=20 transistors.
Class E single ended one FET.
At the start I used a xtal osc then changed to the IC706 as an = exciter, a=20 couple of diodes to SQ the sinewave.
The tank cct inductor is an old WW2 ceramic ex TU7B tuning=20 unit.
I put a good signal into the USA es Canada es Moscow with=20 this transmitter on CW.
 
73 de mal/g3kev
 
 
 


------=_NextPart_000_0010_01CD55CA.41D9A5F0--