Return-Path: Received: from mtain-dd09.r1000.mx.aol.com (mtain-dd09.r1000.mx.aol.com [172.29.64.149]) by air-df02.mail.aol.com (v129.4) with ESMTP id MAILINDF022-5ee74cb6076eb3; Wed, 13 Oct 2010 15:24:30 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dd09.r1000.mx.aol.com (Internet Inbound) with ESMTP id 1AACE380000A8; Wed, 13 Oct 2010 15:24:27 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1P66u3-000539-9A for rs_out_1@blacksheep.org; Wed, 13 Oct 2010 20:22:19 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1P66u2-000530-M5 for rsgb_lf_group@blacksheep.org; Wed, 13 Oct 2010 20:22:18 +0100 Received: from outbound02.telus.net ([199.185.220.221] helo=defout.telus.net) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1P66u0-0006Sf-1P for rsgb_lf_group@blacksheep.org; Wed, 13 Oct 2010 20:22:18 +0100 Received: from edtnaa01.telusplanet.net ([75.157.170.89]) by priv-edtnes23.telusplanet.net (InterMail vM.8.01.03.00 201-2260-125-20100507) with ESMTP id <20101013192213.IUXP1758.priv-edtnes23.telusplanet.net@edtnaa01.telusplanet.net> for ; Wed, 13 Oct 2010 13:22:13 -0600 Received: from [192.168.1.66] (d75-157-170-89.bchsia.telus.net [75.157.170.89]) by edtnaa01.telusplanet.net (BorderWare Security Platform) with ESMTP id B2E8B1F2A7AA4325 for ; Wed, 13 Oct 2010 13:22:12 -0600 (MDT) Message-ID: <4CB606E4.4000604@telus.net> Date: Wed, 13 Oct 2010 19:22:12 +0000 From: Scott Tilley User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.9) Gecko/20100915 Thunderbird/3.1.4 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <000c01cb6abb$719bb6d0$0401a8c0@xphd97xgq27nyf> <001a01cb6acd$586783d0$0401a8c0@xphd97xgq27nyf> <4CB5D2FE.50808@telus.net> <003a01cb6aef$0fe6e7f0$0401a8c0@xphd97xgq27nyf> In-Reply-To: <003a01cb6aef$0fe6e7f0$0401a8c0@xphd97xgq27nyf> X-Cloudmark-Analysis: v=1.1 cv=1jlqvgKJqCpZ6HItN7Iu+Ffz/c28AMGXPmGYMYzuASk= c=1 sm=0 a=1eMnrADBnnEA:10 a=VlsvQeCHHzZYdozF1C9JGw==:17 a=aatUQebYAAAA:8 a=F3M5lZpKAAAA:8 a=F9CFDMSFAAAA:8 a=nN7BH9HXAAAA:8 a=nbgomXGZjIbYzUD_WiEA:9 a=Q07kFxnSF6cSM3Q1OawA:7 a=SBlWmyAtxTtJsS0_OdlKYRRg-lwA:4 a=wPNLvfGTeEIA:10 a=rBKJJ2Jc0C4A:10 a=wk6s2zzMB60A:10 a=muIvw5a9-cgA:10 a=wj2z0I-fiR75jp-P544A:9 a=9asjCzuycr2RIZp34xAA:7 a=rdi9tBWlMkbBsvyy2djo52rtm8AA:4 a=HpAAvcLHHh0Zw7uRqdWCyQ==:117 X-Spam-Score: 1.7 (+) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,MAILTO_TO_SPAM_ADDR=0.276,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: Re: RE: Ground proximity antennas Content-Type: multipart/alternative; boundary="------------080000090705090705080809" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.7 required=5.0 tests=FROM_ENDS_IN_NUMS,HTML_30_40, HTML_MESSAGE,MAILTO_TO_SPAM_ADDR 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: 3039ac1d40954cb6076b426f X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) --------------080000090705090705080809 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit No, I referred to your 'idea' of experimenting with high frequency audio as 'crackpot', not VLF radio... Actually, I've been highly supportive of Stefan's work and communicate with him regularly. Unlike yourself, I have committed to setting up a 8970Hz RX system that can actually hear using the appropriate modern techniques. Testing of it yesterday proved successful. Now to move the test transmitter into the far field to see how it works with a much weaker radiated signal... Watch for a 8970 grabber in VE7 soon. As I type this, I'm working on designing and perhaps beginning to install this afternoon a ground loop RX antenna (about 700m long)... Nightly I've been logging JXN (16.4KHz) and DHO38 (23.4KHz) and all the Alphas on VLF even thou LF propagation to EU has been disrupted. This gives me some encouragement that it may be worth dreaming about... Actually now the Alphas are still nicely audible in my wideband 'listening' RX. So did you get a card from the toaster? What DXCC is that? On 10/13/2010 3:55 PM, mal hamilton wrote: > A couple of weeks ago you referred to the 9 kcs band as a CrackPot > band, hardly encouraging for those dedicated to having fun dreaming on > that frequency > g3kev > > ----- Original Message ----- > *From:* Scott Tilley > *To:* rsgb_lf_group@blacksheep.org > > *Sent:* Wednesday, October 13, 2010 4:40 PM > *Subject:* Re: LF: Re: RE: Ground proximity antennas > > Didn't you miss Stefan's last 8970 signal and log the neighbour's > toaster instead? > > > > On 10/13/2010 11:54 AM, mal hamilton wrote: >> Beverages are not efficient on RX either but have directional >> advantages. I have never missed any DX signals by not having one. >> G3KEV >> >> ----- Original Message ----- >> *From:* Rik Strobbe >> *To:* rsgb_lf_group@blacksheep.org >> >> *Sent:* Wednesday, October 13, 2010 11:05 AM >> *Subject:* LF: RE: Ground proximity antennas >> >> Beverage antenna (also) for transmitting : >> http://nrcdxas.org/articles/Beverage0183.pdf >> 73, Rik ON7YD - OR7T >> ------------------------------------------------------------------------ >> *Van:* owner-rsgb_lf_group@blacksheep.org >> >> [owner-rsgb_lf_group@blacksheep.org] namens mal hamilton >> [g3kevmal@talktalk.net] >> *Verzonden:* woensdag 13 oktober 2010 11:46 >> *Aan:* rsgb >> *Onderwerp:* LF: Ground proximity antennas >> >> Antennas described on here recently on or near the ground are >> only variations of Beverage antennas and inefficient for >> Transmitting but useful for Receiving under certain circumstances >> G3KEV >> --------------080000090705090705080809 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit No, I referred to your 'idea' of experimenting with high frequency audio as 'crackpot', not VLF radio...

Actually, I've been highly supportive of Stefan's work and communicate with him regularly. Unlike yourself, I have committed to setting up a 8970Hz RX system that can actually hear using the appropriate modern techniques.  Testing of it yesterday proved successful.  Now to move the test transmitter into the far field to see how it works with a much weaker radiated signal...  Watch for a 8970 grabber in VE7 soon. 

As I type this, I'm working on designing and perhaps beginning to install this afternoon a ground loop RX antenna (about 700m long)...

Nightly I've been logging JXN (16.4KHz) and DHO38 (23.4KHz) and all the Alphas on VLF even thou LF propagation to EU has been disrupted.  This gives me some encouragement that it may be worth dreaming about...  Actually now the Alphas are still nicely audible in my wideband 'listening' RX.

So did you get a card from the toaster?  What DXCC is that?






On 10/13/2010 3:55 PM, mal hamilton wrote:
A couple of weeks ago you referred to the 9 kcs band as a CrackPot band, hardly encouraging for those dedicated to having fun dreaming on that frequency
g3kev
 
----- Original Message -----
Sent: Wednesday, October 13, 2010 4:40 PM
Subject: Re: LF: Re: RE: Ground proximity antennas

Didn't you miss Stefan's last 8970 signal and log the neighbour's toaster instead?



On 10/13/2010 11:54 AM, mal hamilton wrote:
Beverages are not efficient on RX either but have directional advantages. I have never missed any DX signals by not having one.
G3KEV
 
----- Original Message -----
Sent: Wednesday, October 13, 2010 11:05 AM
Subject: LF: RE: Ground proximity antennas

Beverage antenna (also) for transmitting : http://nrcdxas.org/articles/Beverage0183.pdf
 
73, Rik  ON7YD - OR7T
 
 
Van: owner-rsgb_lf_group@blacksheep.org [owner-rsgb_lf_group@blacksheep.org] namens mal hamilton [g3kevmal@talktalk.net]
Verzonden: woensdag 13 oktober 2010 11:46
Aan: rsgb
Onderwerp: LF: Ground proximity antennas

Antennas described on here recently on or near the ground are only variations of Beverage antennas and inefficient for Transmitting but useful for Receiving under certain circumstances
G3KEV
 
--------------080000090705090705080809--