Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-md06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 37EB138000046; Thu, 20 Dec 2012 05:20:52 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1TldDH-0004qW-FT for rs_out_1@blacksheep.org; Thu, 20 Dec 2012 10:18:51 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1TldDG-0004qN-RX for rsgb_lf_group@blacksheep.org; Thu, 20 Dec 2012 10:18:50 +0000 Received: from out1.ip03ir2.opaltelecom.net ([62.24.128.239]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1TldDD-00055l-1K for rsgb_lf_group@blacksheep.org; Thu, 20 Dec 2012 10:18:49 +0000 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgIFABTa0lBcHnwJ/2dsb2JhbABEgkm7HxdzghkFAQEFCAEBAgEgKQIsAQEDBQIBAxEEAQEKHgcUAQQaBg0JCAYTCgECAgEBh3ADE7kAi2RpHA+EGAOILIVRmFWCdA X-IronPort-AV: E=Sophos;i="4.84,322,1355097600"; d="scan'208,217";a="408843307" Received: from host-92-30-124-9.as13285.net (HELO xphd97xgq27nyf) ([92.30.124.9]) by out1.ip03ir2.opaltelecom.net with SMTP; 20 Dec 2012 10:18:18 +0000 Message-ID: <004701cdde9b$509c4c50$0501a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <000901cdddcc$a80a3300$0501a8c0@xphd97xgq27nyf> <53A793BE30F44797BAFF0AD8FED68450@lindavideo> <001b01cdde37$acae6410$0501a8c0@xphd97xgq27nyf> Date: Thu, 20 Dec 2012 10:18:10 -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: 3.8 (+++) 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: Ken Tnx info. I would stick to the up/down key until you are sending good morse at around 20 wpm then use a paddle. You can use the double paddle as if it were a single and not as iambic, this is what most operators do. I like the RTTY 85 hz shift mode and when I get a transverter built some time later I will try it, maybe also Amtor es Pactor Cannot understand the delay in procedures for 1st Jan 2013 472 band [...] Content analysis details: (3.8 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 HTML_MESSAGE BODY: HTML included in message 3.8 AXB_XMAILER_MIMEOLE_OL_024C2 AXB_XMAILER_MIMEOLE_OL_024C2 X-Scan-Signature: a8364e234bfbc0f3b9b5a81f9f967858 Subject: LF: Re: RE: Re: RE: MORE VALVES Content-Type: multipart/alternative; boundary="----=_NextPart_000_0044_01CDDE9B.500D52C0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.2 required=5.0 tests=HTML_60_70, HTML_FONTCOLOR_UNKNOWN,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-sid: 3039ac1d605a50d2e6842cf3 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_0044_01CDDE9B.500D52C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Ken Tnx info. I would stick to the up/down key until you are sending good morse at = around 20 wpm then use a paddle. You can use the double paddle as if it = were a single and not as iambic, this is what most operators do. I like the RTTY 85 hz shift mode and when I get a transverter built some = time later I will try it, maybe also Amtor es Pactor Cannot understand the delay in procedures for 1st Jan 2013 472 band 73 gl de mal/g3kev ----- Original Message -----=20 From: Ken=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, December 20, 2012 9:47 AM Subject: LF: RE: Re: RE: MORE VALVES Hi Mal. Thanks for the info, in my younger days as an electrical = engineer occasionally had to work on live bus-bars so know the dangers, = one of use got very badly burnt one day. I am still not clear regarding = the NoV for 472kHz, I would have thought that if approved by WRAC then = NoVs would not be required. I will try to improve my cw and meet you on = the new band soon, I do enjoy cw although not very quick, at present I = am using an RAF 'D' type, have tried a double paddle keyer not much = success, am going to try a single paddle, what would you recommend?=20 =20 73s. =20 Ken =20 M0KHW=20 =20 -------------------------------------------------------------------------= ----- From: owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of mal hamilton Sent: 19 December 2012 22:25 To: rsgb_lf_group@blacksheep.org Subject: LF: Re: RE: MORE VALVES =20 Ken The valve and base in the picture is a 4CX1500B that was intended for = 137 Khz not 500 Khz.=20 At present both on 137 es 500 I am using solid state Transmitters, = which are probably safer. I do have a selection of Dentron Amplifiers = for the HF Bands with 8875 valves. Watch those High Voltages, no margin for mistakes, one Wobble and you = Vaporise !! 73 es GL de Mal/G3KEV =20 =20 ----- Original Message -----=20 From: Ken=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Wednesday, December 19, 2012 8:20 PM Subject: LF: RE: MORE VALVES =20 Hi Mal. What valve are you using? I am currently building a TX with a 6293 = Beam Tetrode in the PA. the building of the two power units has slowed = the construction down with the inter-linking control cables etc. The PA = xformer is 650 - 0 - 650 volts @ 400mA with a bridge rectifier, the = valve max anode voltage is 3Kv and anode current 1.5A. I am hoping for = Class C, 500 watts output cw on 472kHz (if we ever get the NoV). =20 73. =20 Ken =20 M0KHW =20 -------------------------------------------------------------------------= --- From: owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of mal = Hamilton-Sent: 19 December 2012 09:39 To: rsgb Subject: LF: MORE VALVES =20 This is a 137 Class C amp project, but since CW activity has = dropped to virtually NIL I am not rushing to complete. de G3KEV =20 ------=_NextPart_000_0044_01CDDE9B.500D52C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Ken
Tnx info.
I would stick to the up/down key until you are = sending=20 good morse at around 20 wpm then use a paddle. You can use the double = paddle as=20 if it were a single and not as iambic, this is what most operators=20 do.
I like the RTTY 85 hz shift mode and when I get = a=20 transverter built some time later I will try it, maybe also Amtor es=20 Pactor
Cannot understand the delay in procedures for = 1st Jan 2013=20 472 band
 
 
73 gl de mal/g3kev
----- Original Message -----
From:=20 Ken
Sent: Thursday, December 20, = 2012 9:47=20 AM
Subject: LF: RE: Re: RE: MORE=20 VALVES

Hi Mal. = Thanks for=20 the info, in my younger days as an electrical engineer occasionally = had to=20 work on live bus-bars so know the dangers, one of use got very badly = burnt one=20 day. I am still not clear regarding the NoV for 472kHz, I would have = thought=20 that if approved by WRAC then NoVs would not be required. I will try = to=20 improve my cw and meet you on the new band soon, I do enjoy cw = although not=20 very quick, at present I am using an RAF =91D=92 type, have tried a = double paddle=20 keyer not much success, am going to try a single paddle, what would = you=20 recommend?

 

73s.

 

Ken

 

M0KHW=20

 

From:=20 owner-rsgb_lf_group@blacksheep.org=20 [mailto:owner-rsgb_lf_group@blacksheep.org]=20 On Behalf Of mal = hamilton
Sent: 19 December 2012 = 22:25
To: rsgb_lf_group@blacksheep.org
Subject: LF: Re: RE: MORE=20 VALVES

 

Ken

The valve and base in = the picture=20 is a 4CX1500B  that was intended for 137 Khz not 500 Khz.=20

At present both on 137 = es 500 I am=20 using solid state Transmitters, which are probably safer. I do have a=20 selection of Dentron Amplifiers for the HF Bands with 8875=20 valves.

Watch those High = Voltages, no=20 margin for mistakes, one Wobble and you Vaporise=20 !!

73 es GL de=20 Mal/G3KEV

 

 

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

From: Ken=20

To: rsgb_lf_group@blacksheep.org= =20

Sent:=20 Wednesday, December 19, 2012 8:20 = PM

Subject: LF: RE:=20 MORE VALVES

 

Hi=20 Mal.

What = valve are you=20 using? I am currently building a TX with a 6293 Beam Tetrode in the = PA. the=20 building of the two power units has slowed the construction down = with the=20 inter-linking control cables etc. The PA xformer is 650 =96 0 - 650 = volts @=20 400mA with a bridge rectifier, the valve max anode voltage is 3Kv = and anode=20 current 1.5A. I am hoping for Class C, 500 watts output cw on 472kHz = (if we=20 ever get the NoV).

 

73.

 

Ken

 

M0KHW

 

From:=20 owner-rsgb_lf_group@blacksheep.org=20 [mailto:owner-rsgb_lf_group@blacksheep.org]=20 On Behalf Of mal=20 Hamilton-Sent: 19 = December=20 2012 09:39
To:=20 rsgb
Subject: LF: = MORE=20 VALVES

 

This is a 137 Class C=20 amp project, but since CW activity  has dropped to = virtually=20 NIL I am not rushing to complete.

de=20 G3KEV

 

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