X-GM-THRID: 1237594984607714882 X-Gmail-Labels: rsgb lf Delivered-To: daveyxm@gmail.com Received: by 10.78.172.1 with SMTP id u1cs509450hue; Mon, 28 May 2007 00:59:02 -0700 (PDT) Received: by 10.67.93.7 with SMTP id v7mr5101344ugl.1180339142595; Mon, 28 May 2007 00:59:02 -0700 (PDT) Return-Path: Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mx.google.com with ESMTP id x33si9072979ugc.2007.05.28.00.58.54; Mon, 28 May 2007 00:59:02 -0700 (PDT) Received-SPF: neutral (google.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 1Hsa4D-00058o-8O for rs_out_1@blacksheep.org; Mon, 28 May 2007 08:55:01 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Hsa4B-00058U-Qe for rsgb_lf_group@blacksheep.org; Mon, 28 May 2007 08:54:59 +0100 Received: from mail3.uklinux.net ([80.84.72.33]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Hsa4A-00042C-LK for rsgb_lf_group@blacksheep.org; Mon, 28 May 2007 08:54:59 +0100 Received: from o (bts-0703.dialup.zetnet.co.uk [194.247.50.191]) by mail3.uklinux.net (Postfix) with SMTP id F2E3D40A12A for ; Mon, 28 May 2007 07:54:54 +0000 (UTC) Message-ID: <001c01c7a0fd$7f69d200$bf32f7c2@o> From: "Gw3UEP" To: References: <350520.49664.qm@web86408.mail.ird.yahoo.com> Date: Mon, 28 May 2007 00:21:23 +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: 0.7 (/) X-Spam-Report: autolearn=disabled,DATE_IN_PAST_06_12=0.746,HTML_MESSAGE=0.001 Subject: Re: LF: Re; 502.4kcs 10am, XIZ/XAQ/PDN/KEV... Content-Type: multipart/alternative; boundary="----=_NextPart_000_013E_01C7A0BE.1F3ADC10" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.1 required=5.0 tests=DATE_IN_PAST_06_12,HTML_20_30, 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: 7064 This is a multi-part message in MIME format. ------=_NextPart_000_013E_01C7A0BE.1F3ADC10 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thanks Chris - that explains it - I've hrd you wrkg split with Mal & = wondered why - all now clear. Rog. ----- Original Message -----=20 From: CHRISTOPHER OSBORN=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Sunday, May 27, 2007 10:32 PM Subject: Re: LF: Re; 502.4kcs 10am, XIZ/XAQ/PDN/KEV... My apologies . . I have both vfo and xtal control (502.3 and 503.3) and can zero beat = with my RIT. I sometimes forget to switch from XO to VFO - :-( In future I shall net on to the station I am calling to avoid = difficulties. 73 Chris G3XIZ Gw3UEP wrote: Alan, Thanks for all info. Ray has 502.6 & 501.6 cc. Suggest use two xtals if mixing - use divider with cer-res [to divide = drift]. Beacon on 501.5 now - will lsn 502 shortly on off-chance - static low = here, at present. Rog. ----- Original Message -----=20 From: Alan Ibbetson=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Sunday, May 27, 2007 6:21 PM Subject: Re: LF: Re; 502.4kcs 10am, XIZ/XAQ/PDN/KEV... Ah, but nobody said it was supposed to be easy :-) Chris is always 300Hz HF of me. I think he has a DC transceiver,=20 possibly without TX offset. Dunno whether Ray is rock bound or not. I suspect he is. I couldn't = hear=20 him this morning at all but Chris/XIZ copied him OK. I'm hoping moving = the loading coil towards the tower and reducing its size will reduce=20 losses, stabilise the resonat frequency, and perhaps improve receive a = tad. I'll try to hear you tomorrow at 6am, but if it keeps raining there is = little chance because my aerial shifts resonance down to 495KHz in the = rain! I'm thinking of building a transceiver for 500K so I can net on other=20 stations and to free up my FT1000MP Mk5 for HF again. Rapid has xtals=20 and ceramic resonators that appear suitable. For example, xtals on = 4.194=20 MHz and resonators on 3.69 (504KHz nominal difference). Another = possible=20 pairing is 4.096 and 3.58 (516 difference). Both will need the ceramic = resonator pushed up a few KHz with a variable cap in series with the=20 nominal 20pF load, but I'm assuming that is not a big deal. The = crystals=20 are only 20p each so filters should be inexpensive even if I need a=20 bucket load to get a set within 10% of the target IF bandwidth. CUL, Alan In message <003201c7a07b$39685970$2fc8e150@o>, Gw3UEP=20 writes >Alan/XAQ, >FB - that's what I thought, 502cc - Chris didn't net on to you - then = Ray >came up on 501.6 - gets complicated! >Rog. >----- Original Message ----- >From: Alan Ibbetson >To: rsgb_lf_group@blacksheep.org >Sent: Sunday, May 27, 2007 2:41 PM >Subject: Re: LF: Re; 502.4kcs 10am, XIZ/XAQ/PDN/KEV... > >In message <000801c7a04b$32303540$b533f7c2@o>, Gw3UEP > writes >>No sign of Alan/XAQ - not certain of his freq, 502.00 or co-ch - ckd = both. > >Rog, > >I'm crystal controlled on 502.0 KHz. If the weather improved during = the >coming week I'll be doing some aerial work which may help sigs. I = need >something to help reception here because I don't seem to hear as well = as >others. --=20 Cheers, Alan G3XAQ alan@g3xaq.demon.co.uk -------------------------------------------------------------------------= ------- What kind of emailer are you? Find out today - get a free analysis of = your email personality. Take the quiz at the Yahoo! Mail Championship. ------=_NextPart_000_013E_01C7A0BE.1F3ADC10 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Thanks Chris - that explains it = - I've hrd=20 you wrkg split with Mal & wondered why - all now=20 clear.
 
Rog.
 
----- Original Message -----=20
From: CHRISTOPHER=20 OSBORN
Sent: Sunday, May 27, 2007 10:32 PM
Subject: Re: LF: Re; 502.4kcs 10am, = XIZ/XAQ/PDN/KEV...

My apologies . .
I have both vfo and xtal control = (502.3 and=20 503.3) and can zero beat with my RIT.
I sometimes forget to switch = from XO to=20 VFO - :-(
In future I shall net on to the station I am calling to = avoid=20 difficulties.
73 Chris G3XIZ

Gw3UEP <gw3uep@uklinux.net> = wrote:
Alan,
Thanks for all info.  = Ray has =20 502.6 & 501.6 cc.
Suggest use two xtals if = mixing - use=20 divider with cer-res [to divide drift].
Beacon on 501.5 now - will = lsn 502=20 shortly on off-chance - static low here, at = present.
Rog.
 
 
-----=20 Original Message -----=20 From:=20 Alan=20 Ibbetson
Sent: Sunday, May 27, 2007 6:21 PM
Subject: Re: LF: Re; 502.4kcs 10am, = XIZ/XAQ/PDN/KEV...

Ah, but nobody said it was supposed to be easy = :-)

Chris=20 is always 300Hz HF of me. I think he has a DC transceiver, =
possibly=20 without TX offset.

Dunno whether Ray is rock bound or not. I = suspect he=20 is. I couldn't hear
him this morning at all but Chris/XIZ copied = him OK.=20 I'm hoping moving
the loading coil towards the tower and reducing = its size=20 will reduce
losses, stabilise the resonat frequency, and perhaps = improve=20 receive a
tad.

I'll try to hear you tomorrow at 6am, but if = it=20 keeps raining there is
little chance because my aerial shifts = resonance=20 down to 495KHz in the
rain!

I'm thinking of building a = transceiver=20 for 500K so I can net on other
stations and to free up my FT1000MP = Mk5 for=20 HF again. Rapid has xtals
and ceramic resonators that appear = suitable. For=20 example, xtals on 4.194
MHz and resonators on 3.69 (504KHz nominal = difference). Another possible
pairing is 4.096 and 3.58 (516 = difference).=20 Both will need the ceramic
resonator pushed up a few KHz with a = variable=20 cap in series with the
nominal 20pF load, but I'm assuming that is = not a=20 big deal. The crystals
are only 20p each so filters should be = inexpensive=20 even if I need a
bucket load to get a set within 10% of the target = IF=20 bandwidth.

CUL,

Alan

In message <003201c7a07b$39685970$2f= c8e150@o>,=20 Gw3UEP
<gw3uep@uklinux.net>=20 writes
>Alan/XAQ,
>FB - that's what I thought, 502cc - = Chris=20 didn't net on to you - then Ray
>came up on 501.6 - gets=20 complicated!
>Rog.
>----- Original Message = -----
>From: Alan=20 Ibbetson
>To: rsgb_lf_group@blacksheep.org=
>Sent:=20 Sunday, May 27, 2007 2:41 PM
>Subject: Re: LF: Re; 502.4kcs = 10am,=20 XIZ/XAQ/PDN/KEV...
>
>In message <000801c7a04b$32303540$b5= 33f7c2@o>,=20 Gw3UEP
><gw3uep@uklinux.net>=20 writes
>>No sign of Alan/XAQ - not certain of his freq, = 502.00 or=20 co-ch - ckd both.
>
>Rog,
>
>I'm crystal = controlled on=20 502.0 KHz. If the weather improved during the
>coming week I'll = be doing=20 some aerial work which may help sigs. I need
>something to help=20 reception here because I don't seem to hear as well=20 as
>others.

--

Cheers,

Alan G3XAQ
alan@g3xaq.demon.co.uk

=


What kind of emailer are you? Find out today - get a free analysis of = your email=20 personality. Take the quiz at the Yahoo! = Mail Championship. ------=_NextPart_000_013E_01C7A0BE.1F3ADC10--