Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-de06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 4E9D038000082; Thu, 11 Apr 2013 14:22:57 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1UQM8C-0000Xb-UW for rs_out_1@blacksheep.org; Thu, 11 Apr 2013 19:21:56 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1UQM8C-0000XR-2z for rsgb_lf_group@blacksheep.org; Thu, 11 Apr 2013 19:21:56 +0100 Received: from smtpout1.wanadoo.co.uk ([80.12.242.29] helo=smtpout.wanadoo.co.uk) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1UQM86-0005Hc-Th for rsgb_lf_group@blacksheep.org; Thu, 11 Apr 2013 19:21:54 +0100 Received: from AGB ([2.26.14.177]) by mwinf5d05 with ME id NiMU1l00a3pCGVu03iMU7Q; Thu, 11 Apr 2013 20:21:29 +0200 Message-ID: <797429556B5941649E1509009C13052A@AGB> From: "Graham" To: References: <0D5F8C81FCD24061BCDE1F5E2C9785E7@AGB> <1365633794.18069.YahooMailNeo@web133204.mail.ir2.yahoo.com> <1365673624.52897.YahooMailNeo@web133204.mail.ir2.yahoo.com> <7B14049AB0084B3EB5BA4E6BB153ECB8@AGB> <1365679082.78051.YahooMailNeo@web133205.mail.ir2.yahoo.com> <5166A72E.8080908@aol.com> <1365693636.38927.YahooMailNeo@web133204.mail.ir2.yahoo.com> <5166F8AC.8030304@aol.com> <1365704237.75794.YahooMailNeo@web133203.mail.ir2.yahoo.com> In-Reply-To: <1365704237.75794.YahooMailNeo@web133203.mail.ir2.yahoo.com> Date: Thu, 11 Apr 2013 19:21:28 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 X-Spam-Score: 2.2 (++) 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: BOGOF : )) From: M0FMT Sent: Thursday, April 11, 2013 7:17 PM To: rsgb_lf_group@blacksheep.org Subject: Re: LF: Wanted 10XJ or FT243 XTALS Range 236.25 236.75 KHz Pat there's something up with your e-mail because it keeps sending the same thing twice? i.e. two e-mails for the price of one. 73 es GL Pete M0FMT IO91UX [...] Content analysis details: (2.2 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [80.12.242.29 listed in list.dnswl.org] 2.2 TVD_SUBJ_ACC_NUM Subject has spammy looking monetary reference 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: a3f8552972422e93100c5043a10e4b3c Subject: Re: LF: Wanted 10XJ or FT243 XTALS Range 236.25 236.75 KHz Content-Type: multipart/alternative; boundary="----=_NextPart_000_009D_01CE36E9.C43D88D0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: *** X-Spam-Status: No, hits=3.4 required=5.0 tests=AMATEUR_PORN,HTML_40_50, HTML_MESSAGE,MISSING_OUTLOOK_NAME 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: 3039ac1d40ce5166ff805d02 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_009D_01CE36E9.C43D88D0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable BOGOF : )) From: M0FMT=20 Sent: Thursday, April 11, 2013 7:17 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: Wanted 10XJ or FT243 XTALS Range 236.25 236.75 KHz Pat there's something up with your e-mail because it keeps sending the = same thing twice? i.e. two e-mails for the price of one. 73 es GL Pete M0FMT IO91UX From: pat To: rsgb_lf_group@blacksheep.org=20 Cc: M0FMT =20 Sent: Thursday, 11 April 2013, 18:53 Subject: Re: LF: Wanted 10XJ or FT243 XTALS Range 236.25 236.75 KHz Well, you might have been happy, Pete. I discovered that the family = cat's whiskers wouldn't work with a bit of coke and we had to go back to = a pair of baked bean cans and string! On 11/04/13 16:20, M0FMT wrote: And we all live in a hole in the road but we were happy!!.....:0) 73 es GL Pete M0FMT IO91UX From: pat mailto:g4gvw@aol.com To: rsgb_lf_group@blacksheep.org=20 Cc: M0FMT mailto:m0fmt@yahoo.co.uk=20 Sent: Thursday, 11 April 2013, 13:06 Subject: Re: LF: Wanted 10XJ or FT243 XTALS Range 236.25 236.75 = KHz And Wireless Set No.17 for =A32:19:6 (2Volt accumulator and HT = Battery 10/- extra) And we're all getting older! 73=20 On 11/04/13 12:18, M0FMT wrote: Hi Graham How young you are my introduction to Tottenham Court Road = (Proops?) , Lisles Street (GW Smiths), Charring Cross and The Edgeware = Road about 1956. Aaaaah those were the days. learnt a lot about Radio, = Life, the Universe and everything there...... hee! Got my R107 from Lisle Street with money save from my = apprentices pay. Carried it (abt 1 CWT) via bus to Kings Cross in the = days when the conductor would jump off the bus and give you had to get = it on board........ imagine that on a "Bendy Bus" today. See = http://www.retinascope.co.uk/lislestreet.html for the full story. OK on the stick info yes but I am CW only really can't get too = excited about sterile data although as you know I do partake = occasionally. 73 es GL Pete M0FMT IO91UX From: Graham mailto:g8fzk@g8fzk.fsnet.co.uk To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, 11 April 2013, 11:52 Subject: Re: LF: Wanted 10XJ or FT243 XTALS Range 236.25 = 236.75 KHz=20 R Pete=20 Well , its possible to use the emergency vfo , but that = results in a very unstable signal , I remember down the Tottenham = court road , there where tea chests of crystals , but that was 1970 = .. seems a lot of the traditional firms have closed ,=20 One of the =A35 dds with a driver would work , but = they want to keep it standard=20 DS - That's really the 'correct' situation , that -33 = db decode, -3 db lower than normal was a good indication that = the system is working , over ranging the a/d is the only = problem . I think dynamic range is 60 d b after processing , is it = 3 db per bit ? 8 bits , 24 db + 3 that's 27 dB ? 500:1 ? , = but by removing qty 2 mixers and 2 oscillators , [ may be = 3 oscillators 1 , hf-up-conv 2 , pll conv osc 3 ref osc ) that = is a lot of noise + jitter removed from the signal path as well = as imd from 2 mixers , I found a attenuator helped for mw and = I have a mw-filter , which cleaned up sw bands ...... nice to = have a panoramic display , 2 mhz this time , the ra17 was 1 mhz = and 28 valves + 20 ish > in the radio =20 73-G. From: M0FMT=20 Sent: Thursday, April 11, 2013 10:47 AM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: Wanted 10XJ or FT243 XTALS Range 236.25 = 236.75 KHz=20 OK Graham Thought it was home brew retro.......... I am in that mode and = think everbody else is! What do you do at the moment inject a Sig Genny? Have you checked the net or checked out Vincent - QuartzLab = etc?=20 Anyway what's that master osc circuit. I build from old RADCOM = (pre 1975 when they published real amateur radio) and PW,QST etal. I use = modern xtals with no known issues. Well trying to get third overtone for = 10m not to chirp is an issue with me at the moment.=20 OK yes got a stick on its way didn't want to tear up my = existing upconverter design. But not sure there is much wrong with the = UC approach it works for me. But want to try the direct approach. Do you = get much Cross mod and IM products? 73 es GL Pete M0FMT IO91UX From: Graham mailto:g8fzk@g8fzk.fsnet.co.uk To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, 11 April 2013, 0:47 Subject: Re: LF: Wanted 10XJ or FT243 XTALS Range 236.25 = 236.75 KHz=20 Ok Pete=20 Q where to have them made ?=20 The set , Marconi Ocean span 1950's valve tx needs = the big rock's as the oscillator pass's quite a lot of power = via them ...hc6u are no good , drive level is very low - the ones = fitted are the wired- gold flashed ones , so cannot etch into the = band ...=20 the gang want to keep it standard=20 73 -G.=20 Ps waiting for qty-3 =A36 dongles : ) From: M0FMT=20 Sent: Wednesday, April 10, 2013 11:43 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: Wanted 10XJ or FT243 XTALS Range 236.25 = 236.75 KHz=20 Hi=20 If you want to spend a small fortune get them cut. However = build a Mixer VXO from El cheapo standard xtals and or old PMR rocks. = Then at your next rally buy a couple of Screw together 10xj or FT243 = rocks of any frequency and put the El-cheapo xtals inside. And Hey = Presto you have Retro rocks. I have a small all valve 472 tx that uses 6.00 = -6.472=3D0.472 vxo-able a couple of kc/s 12ax7-6am6-6cl6=3D 4wattso/p. = Local QRP rig. Hope this helps 73 es GL Pete M0FMT IO91UX From: Graham mailto:g8fzk@g8fzk.fsnet.co.uk To: rsgb_lf_group@blacksheep.org=20 Sent: Wednesday, 10 April 2013, 20:30 Subject: LF: Wanted 10XJ or FT243 XTALS Range 236.25 = 236.75 KHz=20 Wanted 10XJ or FT243 XTALS Range 236.25 236.75 = KHz =20 Q Is there any manufacture of crystals in this = range ? Or Surplus items available =20 QTY 1 or 2 off =20 TNX- Graham G0NBD --=20 73 de pat g4gvw es gd dx qth nr Felixstowe East Coast UK --=20 73 de pat g4gvw es gd dx qth nr Felixstowe East Coast UK ------=_NextPart_000_009D_01CE36E9.C43D88D0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
BOGOF     : ))

From: M0FMT
Sent: Thursday, April 11, 2013 7:17 PM
To: rsgb_lf_group@blacksheep.org= =20
Subject: Re: LF: Wanted 10XJ or FT243 XTALS Range 236.25 = 236.75=20 KHz

Pat there's something up with your e-mail because it keeps = sending=20 the same thing twice? i.e. two e-mails for the price of = one.
 73 es GL Pete M0FMT IO91UX
From: pat = <g4gvw@aol.com>
To: rsgb_lf_group@blacksheep.org= =20
Cc: M0FMT <m0fmt@yahoo.co.uk> =
Sent: Thursday, 11 April 2013,=20 18:53
Subject: Re: = LF: Wanted=20 10XJ or FT243 XTALS Range 236.25 236.75 KHz

Well, you might have been = happy, Pete.=20 I discovered that the family cat's whiskers wouldn't work with a bit = of coke=20 and we had to go back to a pair of baked bean cans and=20 string!




On 11/04/13 16:20, M0FMT wrote:
And we all live in a hole in the road but we were=20 happy!!.....:0)

73 es GL Pete M0FMT IO91UX
From: pat mailto:g4gvw@aol.com
To: rsgb_lf_group@blacksheep.= org=20
Cc: M0FMT mailto:m0fmt@yahoo.co.uk=20
Sent: = Thursday, 11 April=20 2013, 13:06
Subject: Re:=20 LF: Wanted 10XJ or FT243 XTALS Range 236.25 236.75 = KHz

And Wireless Set No.17 = for =A32:19:6=20 (2Volt accumulator and HT Battery 10/- extra)

And we're all = getting=20 older!

73




On 11/04/13 12:18, M0FMT=20 wrote:
Hi Graham
 
How young you are my introduction to Tottenham Court = Road=20 (Proops?) , Lisles Street (GW Smiths), Charring Cross  and = The=20 Edgeware Road  about 1956. Aaaaah those were the days. = learnt a lot = about=20 Radio, Life, the Universe and everything there......=20 hee!
Got my R107 from Lisle Street with money save from my = apprentices pay. Carried it  (abt 1 CWT) via bus to Kings = Cross in=20 the days when the conductor would jump off the bus and give you = had to=20 get it on board........ imagine that on a "Bendy Bus" today. See = http://www.retinascope.co.uk/lislestreet.html fo= r=20 the full story.
 
OK on the stick info yes but I am CW only really = can't get=20 too excited about sterile data although as you know I do partake = occasionally.
73 es GL Pete M0FMT IO91UX
From: Graham mailto:g8fzk@g8fzk.fsnet.co.uk=
To: rsgb_lf_group@blacksheep.= org=20
Sent: = Thursday, 11=20 April 2013, 11:52
Subject: Re: LF: Wanted = 10XJ or=20 FT243 XTALS Range 236.25 236.75 KHz

R Pete
 
Well , its possible to  use the  = emergency =20 vfo  , but that  results  in a very =20 unstable  signal , I   remember  down = the =20 Tottenham court road , there  where  tea chests = of =20 crystals , but that  was  1970 .. seems  = a =20 lot  of the  traditional  firms have  = closed ,=20
 
One  of the  =A35  dds  with  a=20 driver  would  work , but  they  want = to =20 keep  it  standard
 
DS -   That's really  the  = 'correct' =20 situation  ,  that  -33 db decode, = -3 db =20 lower than  normal  was  a  good  = indication=20   that  the  system  is  working=20 ,   over ranging  the  a/d  is = the =20 only  problem . I think  dynamic  range = is  60 d b=20 after  processing  , is it   3 db = per =20 bit  ?  8 bits  , 24  db + 3  =20 that's   27 dB ?  500:1 ?   , = but  =20 by  removing    qty  2 =20 mixers   and  2  oscillators   , = [=20 may  be 3  oscillators  1 , hf-up-conv  2 = ,=20 pll  conv osc  3  ref osc )  that  is = a =20 lot  of  noise + jitter  removed  from = the =20 signal  path as well  as   imd  = from =20 2  mixers , I found  a attenuator  helped  = for  mw  and  I have  a  = mw-filter  ,=20 which  cleaned  up  sw  bands  = ...... =20 nice to  have a  panoramic  display , 2  = mhz this=20 time , the  ra17  was 1 mhz  and   = 28 =20 valves + 20 ish  > in the  radio  =  
 
73-G.
 

From: M0FMT
Sent: Thursday, April 11, 2013 10:47 AM
To: rsgb_lf_group@blacksheep.= org=20
Subject: Re: LF: Wanted 10XJ or FT243 XTALS Range = 236.25=20 236.75 KHz

OK Graham
 
Thought it was home brew retro.......... I am in = that mode=20 and think everbody else is! What do you do at the moment = inject a Sig=20 Genny?
 
Have you checked the net or checked out = Vincent -=20 QuartzLab etc?
 
Anyway what's that master osc circuit. I build from = old=20 RADCOM (pre 1975 when they published real amateur radio) and = PW,QST=20 etal. I use modern xtals with no known issues. Well trying to = get=20 third overtone for 10m not to chirp is an issue with me at the = moment. 
 
OK yes got a stick on its way didn't want to tear = up my=20 existing upconverter design. But not sure there is much wrong = with the=20 UC approach it works for me. But want to try the direct = approach. Do=20 you get much Cross mod and IM products?

73 es GL Pete M0FMT IO91UX
From: Graham mailto:g8fzk@g8fzk.fsnet.co.uk=
To: rsgb_lf_group@blacksheep.= org=20
Sent: = Thursday, 11=20 April 2013, 0:47
Subject: Re: LF: = Wanted 10XJ or=20 FT243 XTALS Range 236.25 236.75 KHz

Ok Pete
 
Q where to  have  them  made  ? =
 
The  set  , Marconi  Ocean span = 1950's =20 valve  tx   needs  the  big =20 rock's  as the  oscillator  = pass's   quite=20 a  lot  of  power  via them = ...hc6u =20 are  no  good  , drive level is very low - = the ones=20 fitted  are the wired- gold  flashed  = ones =20 , so  cannot  etch  into the  band ... =
 
the  gang  want  to  keep  = it =20 standard
 
73 -G.
 
Ps  waiting  for  qty-3  = =A36  =20 dongles : )

From: M0FMT
Sent: Wednesday, April 10, 2013 11:43 PM
To: rsgb_lf_group@blacksheep.= org=20
Subject: Re: LF: Wanted 10XJ or FT243 XTALS = Range 236.25=20 236.75 KHz

Hi
 
If you want to spend a small fortune get them = cut.=20 However build a Mixer VXO from El cheapo standard xtals and = or old=20 PMR rocks. Then at your next rally buy a couple of Screw = together=20 10xj or FT243 rocks of any frequency and put the El-cheapo = xtals=20 inside. And Hey Presto you have Retro rocks.
I have a small all valve 472 tx that uses 6.00=20 -6.472=3D0.472 vxo-able a couple of kc/s 12ax7-6am6-6cl6=3D = 4wattso/p.=20 Local QRP rig.
Hope this helps
 
73 es GL Pete M0FMT IO91UX
From: Graham mailto:g8fzk@g8fzk.fsnet.co.uk=
To: rsgb_lf_group@blacksheep.= org=20
Sent: = Wednesday,=20 10 April 2013, 20:30
Subject: LF: Wanted = 10XJ or=20 FT243 XTALS Range 236.25 236.75 KHz

Wanted  10XJ  or  FT243 =20 XTALS   Range   = 236.25   =20 236.75  KHz   
 
Q  Is there  any  manufacture =20 of   crystals  in this  range  = ?
 
Or  Surplus    items  =20 available 
 
QTY 1  or  2  off 
 
TNX- Graham
 
=
G0NBD


=




<= BR>
--=20
73 de pat g4gvw
es gd dx
qth nr Felixstowe
East Coast =
UK




--=20
73 de pat g4gvw
es gd dx
qth nr Felixstowe
East Coast =
UK


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