Return-Path: X-Spam-DCC: paranoid 1290; Body=2 Fuz1=4 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: ** X-Spam-Status: No, score=2.0 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, FORGED_HOTMAIL_RCVD,HTML_90_100,HTML_MESSAGE,SPF_PASS, TVD_FW_GRAPHIC_ID3 autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id u389YARt030844 for ; Fri, 8 Apr 2016 11:34:10 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1aoSiQ-0002tu-Pa for rs_out_1@blacksheep.org; Fri, 08 Apr 2016 10:28:34 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1aoSiP-0002tl-Vd for rsgb_lf_group@blacksheep.org; Fri, 08 Apr 2016 10:28:33 +0100 Received: from blu004-omc1s12.hotmail.com ([65.55.116.23]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-SHA384:256) (Exim 4.87) (envelope-from ) id 1aoSiJ-0001MK-Ri for rsgb_lf_group@blacksheep.org; Fri, 08 Apr 2016 10:28:32 +0100 Received: from BLU436-SMTP81 ([65.55.116.8]) by BLU004-OMC1S12.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Fri, 8 Apr 2016 02:28:25 -0700 X-TMN: [2WucVvwubh4h48gR0lnwWlGPNYNIeQl3] X-Originating-Email: [jim.cowburn@outlook.com] Message-ID: From: James Cowburn To: "'Rik Strobbe'" , , CC: "'Chris Osborn'" , "'dennis'" , "'>'" , "'Larry'" , , "'Roger Lapthorn'" In-Reply-To: <7E7DFBB4D102A04DB5ADC88D66628A4A444EBC35@ICTS-S-MBX1.luna.kuleuven.be> Date: Fri, 8 Apr 2016 10:28:14 +0100 MIME-Version: 1.0 X-Mailer: Microsoft Office Outlook, Build 11.0.5510 Thread-Index: AQHRfjnmq+PQf/3TSE+loDq/aywkc59+1YhLgADq74CAAB9ZfYAAB2IygAAMl3A= X-MimeOLE: Produced By Microsoft MimeOLE V6.1.7601.17609 X-OriginalArrivalTime: 08 Apr 2016 09:28:21.0010 (UTC) FILETIME=[FDC4EF20:01D19178] X-Scan-Signature: c5532ef4676ace10e994aa7acf0b60f4 Subject: LF: RE: [rsgb_lf_group] RE: RE: 472kHz.org website Content-Type: multipart/related; boundary="----=_NextPart_000_00A9_01D19181.5D5DEBA0" 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.11 Status: O X-Status: X-Keywords: X-UID: 7614 ------=_NextPart_000_00A9_01D19181.5D5DEBA0 Content-Type: multipart/alternative; boundary="----=_NextPart_001_00AA_01D19181.5D5DEBA0" ------=_NextPart_001_00AA_01D19181.5D5DEBA0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Hi Rik Thanks for coming back to me on this. Yes indeed, it needs good regular contributions and updates from all those interested to keep it fresh. I think your offer of sending raw material to you for "formulation" is good. I hear what you say about needing the source code for the programmes or the corresponding formulae. I#m sure there are very smart people out there who would respond to a "plea for help" on these and no doubt be happy to offer their knowledge. Certainly the "aerial modeller" is very useful. Some coil modelling algorithm would be handy too i.e. what diameter, length, turns for a given inductance and vice versa Do you want to keep it focused on 472khz, or would you entertain some articles on 137 and VLF? I'm always asking G3XIZ for his advice!!! :-) Thanks again and I've sent in my registration to join too! With best regards Jim Dr. Jim Cowburn G7NKS IO92ub Tel. 01767 600522 Mob. 07967 300152 jim.cowburn@outlook.com This email is sent from the account of Dr. James Cowburn and is strictly confidential and intended solely for the addressee(s).If you are not the intended recipient of this email you must: (i) not disclose, copy or distribute its contents to any other person nor use its contents in any way or you may be acting unlawfully; (ii) contact Dr. Cowburn immediately on +44 (0)1767 600522 quoting the the addressee then delete it from your system. I have taken reasonable precautions to ensure that no viruses are contained in this email, but do not accept any responsibility once this email has been transmitted. You should scan attachments (if any) for viruses. _____ From: Rik Strobbe [mailto:rik.strobbe@fys.kuleuven.be] Sent: 08 April 2016 09:37 To: rsgb_lf_group@yahoogroups.co.uk; rsgb_lf_group@blacksheep.org Cc: 'James Cowburn' Subject: RE: [rsgb_lf_group] RE: RE: 472kHz.org website Hello Jim, creating online version of "vertload", "tant", ... is possible, but would require the source code of these programs or a at least good description of the formulas and procedures used. And (certainly for use of the source code) the permission of the author to translate the code to javascript and/or PHP. I have already a tab "useful links" (under "and more ..."), but it is still empty. I haven't found the time yet to look for interesting links. So on this occasion I would invite everybody to provide me with the interesting links you would like to see there. As long as it is more or less related to 472 kHz I will be happy to add them! And there are probably a lot of interesting topics that could be covered on the site. Just an example: How to measure ERP (triggered by the recent question from Chris, G3XIZ). So, if anyone has the expertise (and time) to write something about that, or any other interesting topic, please let me know! You don't have to bother about the layout and if you are not confident about your English spelling I am sure to find a native English speaker who will take care of that. It would be nice if the 472kHz.org website could become a community project rather than a one men show. 73, Rik ON7YD - OR7T _____ Van: rsgb_lf_group@yahoogroups.co.uk [rsgb_lf_group@yahoogroups.co.uk] Verzonden: vrijdag 8 april 2016 8:28 Aan: rsgb_lf_group@blacksheep.org; rsgb_lf_group@yahoogroups.co.uk CC: 'James Cowburn' Onderwerp: [rsgb_lf_group] RE: RE: 472kHz.org website Hi Rik In terms of suggestions, on the already excellent tools page, would it be possible to add html version calculators of such classics as "vertload" "tant" etc. Sadly most of these only run on 32bit versions of Windows and if one is lucky to have a 64 bit machine with W7 or higher then they don't run. Also a "useful files page" e.g. Stefan has an excellent spreadsheet (which he sent to me, but it's his work so not mine to forward) that calculates all manner of antenna and power parameters at VLF thru MF. Perhaps we could persuade "The dark lord of Heidelberg" to upload that! Also, John and the chaps in the US have sent me some very handy schematics of how to interface Hafler audio amps to txs, again many on here will already know this stuff "inside out" but it might be useful for newcomers? A download page giving links to Winrad and such like? A link or page on VLF? Dreamers band? Given the demise of cycle 24 and predictions that C25 will be worse for higher HF bands, then this may encourage some to try their hand at the low ends! Just a few rambling musings and it's a great site! Already bookmarked!!! Cheers Jim G7NKS _____ From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Rik Strobbe Sent: 07 April 2016 18:12 To: rsgb_lf_group@blacksheep.org; rsgb_lf_group@yahoogroups.co.uk Subject: LF: RE: 472kHz.org website Dear all, over the past weeks Alan, G3NYK, did write an excellent article on propagation, that is now added to the 472kHz.org website (under technical topics http://www.472khz.org/pages/technical-topics/propagation.php). Anyone who wants to contribute in his field of expertise is most welcome. Just contact me. I will be happy to do the layout , have the grammar checked and help with pictures. 73, Rik ON7YD _____ Van: Rik Strobbe Verzonden: maandag 14 maart 2016 22:46 Aan: rsgb_lf_group@blacksheep.org; rsgb_lf_group@yahoogroups.co.uk Onderwerp: 472kHz.org website Dear all, I have set up a small website about the 472 kHz band. The goal is: - For newbie's: to provide some basic information about this band, in the hope that this will attact "fresh blood". - For the habitue's: some tools that might make operating on 472 kHz more interesting (and thus increasing activity). Feel free to have a look at http://www.472khz.org/. All suggestions how the content of this site can be improved are welcome. 73, Rik ON7YD - OR7T __._,_.___ _____ Posted by: James Cowburn _____ Reply via web post . Reply to sender . Reply to group . Start a new topic . Messages in this topic (20) Visit Your Group * New Members 1 Yahoo! Groups . Privacy . Unsubscribe . Terms of Use . __,_._,___ ------=_NextPart_001_00AA_01D19181.5D5DEBA0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Rik

 

Thanks for coming back to me on = this.  

 

Yes indeed, it needs good regular contributions and updates from all those interested to keep it fresh. =  I think your offer of sending raw material to you for “formulation” = is good.

 

I hear what you say about needing = the source code for the programmes or the corresponding formulae.  I#m = sure there are very smart people out there who would respond to a “plea for = help” on these and no doubt be happy to offer their = knowledge.

 

Certainly the “aerial = modeller” is very useful.

 

Some coil modelling algorithm would = be handy too i.e. what diameter, length, turns for a given inductance and = vice versa

 

Do you want to keep it focused on = 472khz, or would you entertain some articles on 137 and VLF? =

 

I’m always asking G3XIZ for = his advice!!!  J  =

 

Thanks again and I’ve sent in = my registration to join too!

 

 

 

With best regards
 
 
Jim
 
 
Dr. Jim Cowburn G7NKS  IO92ub
 

 
Tel.    01767 = 600522
Mob.  07967 300152
jim.cowburn@outlook.com
  

This email is sent from the account of Dr. = James Cowburn and is strictly confidential and intended solely for the addressee(s).If you are not the intended recipient of this email you = must: (i) not disclose, copy or distribute its contents to any other person nor = use its contents in any way or you may be acting unlawfully; (ii) contact Dr. = Cowburn immediately on +44 (0)1767 600522 quoting the the addressee then = delete it from your system.  I have taken reasonable precautions to ensure = that no viruses are contained in this email, but do not accept any = responsibility once this email has been transmitted. You should scan attachments (if any) = for viruses.

 

From: Rik Strobbe [mailto:rik.strobbe@fys.kuleuven.be]
Sent: 08 April 2016 = 09:37
To: rsgb_lf_group@yahoogroups.co.uk; rsgb_lf_group@blacksheep.org
Cc: 'James Cowburn'
Subject: RE: = [rsgb_lf_group] RE: RE: 472kHz.org website

 

Hello Jim,<= /p>

 

creating online version of "vertload", "tant", ... is possible, but would require the source code of these programs or a at least good description of the formulas and procedures used. And = (certainly for use of the source code) the permission of the author to = translate the code to javascript and/or PHP.

 

I have already a tab "useful links" (under "and more ..."), but it = is still empty. I haven't found the time yet to look for interesting links.

So on this occasion = I would invite everybody to provide me with the interesting links you would like to see there. As long = as it is more or less related to 472 kHz I will be happy to add them!

 

And there are probably a lot of interesting = topics that could be covered on the site. Just an example: How to measure  ERP (triggered by the recent question from Chris, = G3XIZ).

So, if anyone has the = expertise (and time) to write something about that, or any other interesting topic, please = let me know! You don't have to bother about the layout = and if you are not confident about your English spelling I am sure to find a native English speaker who will take care of = that.

 

It would be nice if the 472kHz.org website could become a community project rather than a one men = show.

 

73, Rik  ON7YD - = OR7T

 

 

Van: rsgb_lf_group@yahoogroups.co.uk [rsgb_lf_group@yahoogroups.co.uk]
Verzonden: vrijdag 8 = april 2016 8:28
Aan: = rsgb_lf_group@blacksheep.org; rsgb_lf_group@yahoogroups.co.uk
CC: 'James Cowburn'
Onderwerp: = [rsgb_lf_group] RE: RE: 472kHz.org website

  =

Hi Rik

 

In terms of suggestions, on the already excellent tools = page, would it be possible to add html version calculators of such classics as = “vertload” “tant” etc.  Sadly most of these only run on 32bit = versions of Windows and if one is lucky to have a 64 bit machine with W7 or higher then they = don’t run.

 

Also a “useful files page” e.g.  Stefan has = an excellent spreadsheet (which he sent to me, but it’s his work so not mine to = forward) that calculates all manner of antenna and power parameters at VLF thru = MF. Perhaps we could persuade “The dark lord of Heidelberg” to upload = that!    Also, John and the chaps in the US have sent me some very = handy schematics of how to interface Hafler audio amps to txs, again many on = here will already know this stuff “inside out” but it might be = useful for newcomers?

 

A download page giving links to Winrad and such = like?

 

A link or page on VLF?  Dreamers band?  =

 

Given the demise of cycle 24 and predictions that C25 will = be worse for higher HF bands, then this may encourage some to try their hand at = the low ends!  

 

Just a few rambling musings and it’s a great site! =  Already bookmarked!!!

 

Cheers

 

Jim G7NKS

 

 

 

From:<= font size=3D2 color=3Dblack face=3DTahoma> owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Rik Strobbe
Sent: 07 April 2016 = 18:12
To: = rsgb_lf_group@blacksheep.org; rsgb_lf_group@yahoogroups.co.uk
Subject: LF: RE: = 472kHz.org website

 

Dear all,

 

over the past weeks Alan, = G3NYK, did write an excellent article on propagation, that is now added to the 472kHz.org website (under technical topics http://www.472khz.org/pages/technical-topics/propagatio= n.php).

 

Anyone who wants to contribute in his = field of expertise is most welcome. Just contact me. I will be happy to do the layout , have the grammar checked and help with = pictures.

 

73, Rik  = ON7YD

 

Van: Rik Strobbe
Verzonden: maandag 14 = maart 2016 22:46
Aan: = rsgb_lf_group@blacksheep.org; rsgb_lf_group@yahoogroups.co.uk
Onderwerp: 472kHz.org = website

Dear all,

 

I have set up a small website about the = 472 kHz band. The goal is:

- For newbie's: to provide some = basic information about this band, in the hope that this will attact = "fresh blood".

- For the habitue's: some tools that = might make operating on 472 kHz more interesting (and thus increasing = activity).

 

Feel free to have a look at http://www.472khz.org/.

 

All suggestions how the content of this = site can be improved are welcome.

 

73, Rik  ON7YD - = OR7T

__._,_.___

Posted by: James Cowburn <jim.cowburn@outlook.com>

Reply via web post =

•=

Reply to sender

•=

Reply to group

•=

Start a new topic =

•=

Messages in this topic (20) =

Visit Your = Group

·           = ;            =      New = Members 1

 

.

 

__,_._,___

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