Return-Path: Received: from rly-db09.mx.aol.com (rly-db09.mail.aol.com [172.19.130.84]) by air-db10.mail.aol.com (v123.4) with ESMTP id MAILINDB102-ae94a0e8d98151; Sat, 16 May 2009 05:55:49 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-db09.mx.aol.com (v123.4) with ESMTP id MAILRELAYINDB097-ae94a0e8d98151; Sat, 16 May 2009 05:55:38 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1M5Gbk-0001zq-QO for rs_out_1@blacksheep.org; Sat, 16 May 2009 10:55:08 +0100 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1M5Gbk-0001zf-7w for rsgb_lf_group@blacksheep.org; Sat, 16 May 2009 10:55:08 +0100 Received: from ttsmtp-4.cpwnetworks.com ([62.24.128.245] helo=ttsmtp.cpwnetworks.com) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1M5Gbi-0001nc-2S for rsgb_lf_group@blacksheep.org; Sat, 16 May 2009 10:55:08 +0100 X-Path: TalkTalk-smtp X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnAGABcqDkpOlWem/2dsb2JhbACCIy+CAIdDBoFCwgqEAQU Received: from unknown (HELO mal769a60aa920) ([78.149.103.166]) by ttsmtp.cpwnetworks.com with SMTP; 16 May 2009 10:54:58 +0100 Message-ID: <003801c9d60c$5f736740$0301a8c0@mal769a60aa920> From: "mal hamilton" To: References: <007a01c9d58f$45a60e80$0301a8c0@mal769a60aa920> <1242429806.11120.6.camel@pat-desktop-dell> <88d2415e0905160203m1bbdd75bic052166eaa50566a@mail.gmail.com> Date: Sat, 16 May 2009 10:54:58 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Spam-Score: 1.2 (+) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,RCVD_IN_SORBS_WEB=1.236 Subject: Re: LF: BC-221-T Content-Type: multipart/alternative; boundary="----=_NextPart_000_0035_01C9D614.C0F2AFF0" 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_20_30, HTML_FONTCOLOR_UNSAFE,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-IP: 193.82.116.20 ------=_NextPart_000_0035_01C9D614.C0F2AFF0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Most models were BC-221-M but this one is a 221-T. It looks the same as the=20= M model, perhaps a later version. I also used them in the 1950/60's state of the art at that time !!, so was a= n AR88.=20 When the Racal RA17 was introduced, because of its accurate frequency calibr= ation the BC-221 became obsolete The 221 was an essential tool when using an AR88 to ascertain frequency accu= racy. A clumsy procedure by todays standard.=20 73 mal/g3kev=20 ----- Original Message -----=20 From: lawrence mayhead=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Saturday, May 16, 2009 10:03 AM Subject: Re: LF: BC-221-T Hi All, I can probably still use a BC221 having used them at Hanslope Park in the=20= 40's to set uo=20 HRO's so that German stations that we were monitoring could be found. I st= ill have one in the loft but not in such good order as Mal's I am afraid. 73 Laurie 2009/5/16 pat gillen Mal, Alan 3nyk and myself were just discussing those a couple of days ago. We wondered how many of us were left who knew how to use a BC221 or similar het. unit. Don't think I can quite qualify as being old enough to have known the man who made yours though. Better question, however, is can you still read the initials on the cal charts? On Fri, 2009-05-15 at 19:59 +0100, mal hamilton wrote: > I dug out a nice BC 221 today. It would make a nice OSC/driver for MF. > It is mint condx but has not been used for years. Some will be > familiar with this unit, vintage WWII made in the USA (ZENITH RADIO > CORPORATION CHICAGO) Maybe someone knows the man that made it !! > > mal/g3kev > -- 73 de Pat G4GVW QTH Nr. Felixstowe (East Coast of UK) ----------------------------------------------------------------------------= -- No virus found in this incoming message. Checked by AVG - www.avg.com=20 Version: 8.5.329 / Virus Database: 270.12.32/2117 - Release Date: 05/15/09= 17:55:00 ------=_NextPart_000_0035_01C9D614.C0F2AFF0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Most models were BC-221-M but this one is a= 221-T.=20 It looks the same as the M model, perhaps a later version.
I also used them in the 1950/60's state of=20= the art=20 at that time !!, so was an AR88. 
When the Racal RA17 was introduced, because= of its=20 accurate frequency calibration the BC-221 became obsolete
The 221 was an essential tool when using an= AR88 to=20 ascertain frequency accuracy. A clumsy procedure by todays standard.=20
73 mal/g3kev
----- Original Message -----
lawrence mayhead
Sent: Saturday, May 16, 2009 10:03=20 AM
Subject: Re: LF: BC-221-T

Hi All,
I can probably still use a BC221 having used the= m at=20 Hanslope Park in the 40's to set uo
HRO's so that German stations that= we=20 were monitoring could be found. I still have one in
the loft but not in= =20 such good order as Mal's I am afraid.
73 Laurie

2009/5/16 pat gillen <g4gvw@aol.com>
Mal,=20 Alan 3nyk and myself were just discussing those a couple of days
ago.= We=20 wondered how many of us were left who knew how to use a BC221 or
simi= lar=20 het. unit. Don't think I can quite qualify as being old enough
to hav= e=20 known the man who made yours though. Better question, however,
is can= you=20 still read the initials on the cal charts?




On Fri, 2009-05-15 at 19:59 +0100, mal=20 hamilton wrote:
> I dug out a nice BC 221 today. It would make a n= ice=20 OSC/driver for MF.
> It is mint condx but has not been used for ye= ars.=20 Some will be
> familiar with this unit, vintage WWII made in the U= SA=20 (ZENITH RADIO
> CORPORATION CHICAGO) Maybe someone knows the man t= hat=20 made it !!
>
> mal/g3kev
>
--
73 de Pat G4GVW
QTH Nr. Felixstowe
(East Coast o= f=20 UK)





No virus found in this incoming message.
Checked by AVG -=20 www.avg.com
Version: 8.5.329 / Virus Database: 270.12.32/2117 - Releas= e=20 Date: 05/15/09 17:55:00
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