Return-Path: Received: from mtain-me08.r1000.mx.aol.com (mtain-me08.r1000.mx.aol.com [172.29.96.144]) by air-dd04.mail.aol.com (v129.4) with ESMTP id MAILINDD044-86ac4c0ac8fb2e6; Sat, 05 Jun 2010 18:00:27 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-me08.r1000.mx.aol.com (Internet Inbound) with ESMTP id 8EEF938000200; Sat, 5 Jun 2010 18:00:25 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OL1OM-0008PS-3I for rs_out_1@blacksheep.org; Sat, 05 Jun 2010 22:58:58 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OL1OL-0008PJ-Fz for rsgb_lf_group@blacksheep.org; Sat, 05 Jun 2010 22:58:57 +0100 Received: from out1.ip02ir2.opaltelecom.net ([62.24.128.238]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OL1OJ-0005rW-JG for rsgb_lf_group@blacksheep.org; Sat, 05 Jun 2010 22:58:57 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AkQFAPtlCkxOk8BK/2dsb2JhbACPCwODAYxGcb1YhRcE X-IronPort-AV: E=Sophos;i="4.53,369,1272841200"; d="scan'208,217";a="324855491" Received: from unknown (HELO xphd97xgq27nyf) ([78.147.192.74]) by out1.ip02ir2.opaltelecom.net with SMTP; 05 Jun 2010 22:58:47 +0100 Message-ID: <001901cb04fa$44722ee0$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <004801cb04d6$e9740b80$0401a8c0@xphd97xgq27nyf> <69470DB673D14A0E8B219ACBB17751FF@Black> Date: Sat, 5 Jun 2010 22:58:44 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: Re: Re: 9 kcs Content-Type: multipart/alternative; boundary="----=_NextPart_000_0016_01CB0502.A5DE64C0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,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-global-disposition: G x-aol-sid: 3039ac1d60904c0ac8f95c11 X-AOL-IP: 193.82.116.20 ------=_NextPart_000_0016_01CB0502.A5DE64C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thanks Markus for the info but it requires too much effort for me for ONE qso hi It appears at present maybe a couple of German stations would hear me= but no one in the UK seems equipped to receive, no one is responding= to my request for information about their RX capabilities.=20 Why so much interest in 9 kcs when most cannot generate signals on 137= or 500 kcs and those that do are very weak, although there are some= strong Dutch stations active on 500 de mal/g3kev ----- Original Message -----=20 From: Markus Vester=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Saturday, June 05, 2010 8:49 PM Subject: LF: Re: 9 kcs Dear Mal, well I would like to persuade you into getting a NOV and setting up= to transmit on 9 kHz. If I understood the info on your antenna system correctly, you have= a total of 600 m of wire in the air, at a maximum height of 30 m. Wit= h a capacitance of 3 nF, and assuming a safe operating voltage of 20= kV, you could bring a current of 3.3 A to probably 25 m effective hei= ght. Depending on your ground system, you might need to put in about= a kilowatt for this.=20 You would then radiate approximately 10 mW, slightly more than what= Stefan can currently achieve with his 100 m kite. At a time of low QR= N, such a signal would most likely appear immediately on the German gr= abbers, and would probably be detectable across Europe. I also believe= that there would be quite some interest in crossband QSO's (9 / 137= kHz), which would give less equipped stations (like myself) a chance= to participate in the dreamers' DX. Think about it - I'm sure you won't be wasting your time ;-) Best 73, Markus (DF6NM) ----- Original Message -----=20 From: mal hamilton=20 To: rsgb=20 Sent: Saturday, June 05, 2010 7:45 PM Subject: LF: 9 kcs What is happening on 9 kcs, some seem to be aiming for earth induc= ed signals downward penetration with earth rods etc while some are try= ing elevated antennas for long haul.=20 I am interested in elevated antennas long haul experiments but I= think I am wasting my time. The chance of me hearing some of these signals is non existant bar= a Miracle. Information is also scarce in the UK especially about rece= iving capabilities, what is being heard especially alpha signals, stre= ngth, audibility and general band noise. g3kev ------=_NextPart_000_0016_01CB0502.A5DE64C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Thanks Markus
for the info but it requires too much= effort for me=20 for ONE qso hi
It appears at present maybe a = couple of=20 German stations would hear me but no one in the UK  seems equippe= d to=20 receive, no one is responding to my request for information about thei= r RX=20 capabilities.
Why so much interest in 9 kcs when mo= st cannot=20 generate signals on 137 or 500 kcs and those that do are very weak, al= though=20 there are some strong Dutch stations active on 500
de mal/g3kev
 
 
 
----- Original Message -----
Sent: Saturday, June 05, 2010= 8:49=20 PM
Subject: LF: Re: 9 kcs

Dear Mal,
 
well I would like to persuade you= into getting a=20 NOV and setting up to transmit on 9 kHz.
 
If I understood the info on your an= tenna system=20 correctly, you have a total of 600 m of wire in the air, at a maximu= m height=20 of 30 m. With a capacitance of 3 nF, and assuming a safe= =20 operating voltage of 20 kV, you could bring a current= of 3.3=20 A to probably 25 m effective height. Depending on your gro= und=20 system, you might need to put in about a kilowatt for= this.=20
 
You would then radiate ap= proximately 10=20 mW, slightly more than what Stefan can currently achieve with his 10= 0 m kite.=20 At a time of low QRN, such a signal would most likely appe= ar=20 immediately on the German grabbers, and would probably be detectable= across=20 Europe. I also believe that there would be quite some inte= rest in=20 crossband QSO's (9 / 137 kHz), which would give less equip= ped=20 stations (like myself) a chance to participate in the dreamers'=20 DX.
 
Think about it - I'm sure you won't= =20 be wasting your time ;-)
 
Best 73,
Markus (DF6NM)
 
----- Original Message -----
From:=20 mal=20 hamilton
To: rsgb
Sent: Saturday, June 05, 20= 10 7:45=20 PM
Subject: LF: 9 kcs

What is happening on 9 kcs, some= seem to be=20 aiming for earth induced signals downward penetration with earth= rods etc=20 while some are trying elevated antennas for long haul.
I am interested in elevated anten= nas long=20 haul experiments but I think I am wasting my time.
The chance of me hearing some of= these signals=20 is non existant bar a Miracle. Information is also scarce in the= UK=20 especially about receiving capabilities, what is being heard espec= ially=20 alpha signals, strength, audibility and general band noise.=
 
g3kev
 
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