X-GM-THRID: 1202122608845734752 X-Gmail-Labels: rsgb lf X-Gmail-Received: 97b21d0d6822f2baeae3188f32bc094852fcb150 Delivered-To: daveyxm@gmail.com Received: by 10.54.72.15 with SMTP id u15cs10903wra; Sun, 30 Apr 2006 14:46:09 -0700 (PDT) Received: by 10.48.225.3 with SMTP id x3mr2539536nfg; Sun, 30 Apr 2006 14:43:05 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.gmail.com with ESMTP id l38si2287849nfc.2006.04.30.14.44.16; Sun, 30 Apr 2006 14:44:17 -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 1FaJfv-0003ky-Aw for rs_out_1@blacksheep.org; Sun, 30 Apr 2006 22:41:55 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1FaJfu-0003kp-Q1 for rsgb_lf_group@blacksheep.org; Sun, 30 Apr 2006 22:41:54 +0100 Received: from smtp801.mail.ukl.yahoo.com ([217.12.12.138]) by relay1.thorcom.net with smtp (Exim 4.51) id 1FaLWY-0005TO-64 for rsgb_lf_group@blacksheep.org; Mon, 01 May 2006 00:40:41 +0100 Received: (qmail 88602 invoked from network); 30 Apr 2006 21:41:35 -0000 Received: from unknown (HELO aquarids) (ganymede444@btinternet.com@81.158.132.209 with login) by smtp801.mail.ukl.yahoo.com with SMTP; 30 Apr 2006 21:41:34 -0000 From: "Dave G3WCB" To: Date: Sun, 30 Apr 2006 22:42:49 +0100 Message-ID: MIME-Version: 1.0 X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) In-Reply-To: <001001c66975$04fe42a0$2102000a@ibm> Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 X-Spam-Score: -0.3 (/) X-Spam-Report: autolearn=disabled,AWL=-0.877,FROM_ENDS_IN_NUMS=0.516,HTML_60_70=0.027,HTML_MESSAGE=0.001 Subject: LF: RE: pictures of my new 136kHz stn Content-Type: multipart/alternative; boundary="----=_NextPart_000_000A_01C66CA7.684071F0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.4 required=5.0 tests=FROM_ENDS_IN_NUMS,HTML_40_50, 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: 5684 This is a multi-part message in MIME format. ------=_NextPart_000_000A_01C66CA7.684071F0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Hi Dick, LF Group, What power supply voltage will you be using for your new TX, and what RF power do you hope to get out with 4 times IRFP450? 73, Dave G3WCB IO91RM -----Original Message----- From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of Dick Sent: 26 April 2006 22:04 To: rsgb_lf_group@blacksheep.org Subject: LF: pictures of my new 136kHz stn Hello all, Thanks to the help of Jelmer, from the PA6Z contestgroup with his camera I'm able to show some pictures of the new 136kHz station I'm building at the moment. I hope to have finished all stuff on time to take it to LX later this year. You can find the pictures, as well as regular updates (pictures as well as text) on http://www.pa6z.nl/PROJECTS/136KHz_trx/136khz_trx.html My plan is to put all components that might get warm into a kind of 'chimney'. These are the output transformer, zobel network, output filter, as well as the RF-choke, and shuntresistors for currentprotection. Also some parts of the low voltage circuit. I am building the station in 'blocks' The pictures taken show the powerstage with 4 times IRFP450. Also visible is the antennarelay as well as a part of the driver unit. Maybe David may recognize the 3C90 core, hi 73 Dick, PA4VHF ------=_NextPart_000_000A_01C66CA7.684071F0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi=20 Dick, LF Group,
 
What=20 power supply voltage will you be using for your new TX, and what RF = power do you=20 hope to get out with 4 times IRFP450?
 
73,=20 Dave G3WCB IO91RM
-----Original Message-----
From:=20 owner-rsgb_lf_group@blacksheep.org=20 [mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of=20 Dick
Sent: 26 April 2006 22:04
To:=20 rsgb_lf_group@blacksheep.org
Subject: LF: pictures of my new = 136kHz=20 stn

Hello all,
 
Thanks to the help of Jelmer, from = the PA6Z=20 contestgroup with his camera I'm able to show some
pictures of the new 136kHz station = I'm building=20 at the moment.
I hope to have finished all stuff on = time to take=20 it to LX later this year.
 
You can find the pictures, as well as = regular=20 updates (pictures as well as text) on
 
 
http://ww= w.pa6z.nl/PROJECTS/136KHz_trx/136khz_trx.html
 
 
My plan is to put all components that = might get=20 warm into a kind of 'chimney'.
These are the output transformer, = zobel network,=20 output filter, as well as
the RF-choke, and shuntresistors for=20 currentprotection.
Also some parts of the low voltage=20 circuit.
 
I am building the station in=20 'blocks'
The pictures taken show the = powerstage with 4=20 times IRFP450.
Also visible is the antennarelay as = well as a=20 part of the driver unit.
Maybe David may recognize the 3C90 = core,=20 hi
 
73
 
Dick,=20 PA4VHF
------=_NextPart_000_000A_01C66CA7.684071F0--