Return-Path: Received: from mtain-mg06.r1000.mx.aol.com (mtain-mg06.r1000.mx.aol.com [172.29.96.206]) by air-mb06.mail.aol.com (v129.4) with ESMTP id MAILINMB062-a6ff4d78a68a347; Thu, 10 Mar 2011 05:23:06 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mg06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 2372838000189; Thu, 10 Mar 2011 05:23:04 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Pxd0X-0000Mq-Qv for rs_out_1@blacksheep.org; Thu, 10 Mar 2011 10:22:13 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Pxd0X-0000Mh-CB for rsgb_lf_group@blacksheep.org; Thu, 10 Mar 2011 10:22:13 +0000 Received: from cpsmtpb-ews01.kpnxchange.com ([213.75.39.4]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Pxd0V-00069b-US for rsgb_lf_group@blacksheep.org; Thu, 10 Mar 2011 10:22:13 +0000 Received: from cpbrm-ews25.kpnxchange.com ([10.94.84.156]) by cpsmtpb-ews01.kpnxchange.com with Microsoft SMTPSVC(6.0.3790.4675); Thu, 10 Mar 2011 11:22:06 +0100 Received: from CPSMTPM-cmt107.kpnxchange.com ([195.121.3.23]) by cpbrm-ews25.kpnxchange.com with Microsoft SMTPSVC(6.0.3790.4675); Thu, 10 Mar 2011 11:22:05 +0100 Received: from ns94d01ae4d850 ([81.204.139.159]) by CPSMTPM-cmt107.kpnxchange.com with Microsoft SMTPSVC(7.0.6002.18264); Thu, 10 Mar 2011 11:22:05 +0100 Message-ID: <1721DFF37AF142A98820B9741AED65FF@ns94d01ae4d850> From: "henny van elst" To: References: <003201cbde72$606d6090$0401a8c0@xphd97xgq27nyf> <543492.45357.qm@web28102.mail.ukl.yahoo.com> <4D78A2A9.4080001@iup.uni-heidelberg.de> Date: Thu, 10 Mar 2011 11:21:36 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-OriginalArrivalTime: 10 Mar 2011 10:22:05.0693 (UTC) FILETIME=[012482D0:01CBDF0D] X-RcptDomain: blacksheep.org X-Spam-Score: 3.4 (+++) X-Spam-Report: autolearn=disabled,FORGED_MUA_OUTLOOK=3.36,HTML_MESSAGE=0.001 Subject: Re: LF: Re: VLF Stability and soundcard locking Content-Type: multipart/alternative; boundary="----=_NextPart_000_000B_01CBDF15.51ACFDB0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.2 required=5.0 tests=FORGED_MUA_OUTLOOK,HTML_20_30, HTML_FONT_BIG,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: 3039ac1d60ce4d78a6883b7a X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none ------=_NextPart_000_000B_01CBDF15.51ACFDB0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Stefan,LF, the tx is still on ,but there are no stations in a radius of 40 km who= would be willing and equipped to recieve my signal on 8.970.025 khz,a= nd the step to your grabber is to far,but i am worked on it, best 73's henny pa3cpm ----- Original Message -----=20 From: Stefan Sch=E4fer=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, March 10, 2011 11:06 AM Subject: Re: LF: Re: VLF Stability and soundcard locking Hello Pete, Am 09.03.2011 19:36, schrieb M0FMT:=20 Mal..... for my ten cents worth.=20 Without being able to add modulation or on-off keying then no QSO= is taking place.=20 I suppose you could say if there is a carrier then some one is in= the shack but that's not really a QSO. I was hoping at the start of this exercise that a CW or other PSK= or similar real time QSO could be carried out over say 10/20kms. From= the tests Chris G3XIZ has done the best looks like a real time QSO wo= uld only happen over a 1.5km path cross town. [...] Remember that i have detected my own CW transmission in a distance= of 40.0 km (far field and above 1 Lambda) on 8970 Hz. Listen at http:= //dl.dropbox.com/u/19882028/DK7FCinCWon8970Hzthe33kmband.WAV So it is possible to do a CW QSO there. Distance is relative. While= it is trivial to do a QSO on 20m in 10000km distance it is something= special to reach 10km on VLF or on Laser-TX or 47 GHz and above. A VLF x band QSO in CW would have been done if there would be statio= ns in that radius of 40, maybe 60 km who would be willing and equipped= to receive my signal... 73, Stefan/DK7FC ----------------------------------------------------------------------= -------- Geen virus gevonden in dit bericht. Gecontroleerd door AVG - www.avg.com Versie: 10.0.1204 / Virusdatabase: 1497/3495 - datum van uitgifte:= 03/09/11 ------=_NextPart_000_000B_01CBDF15.51ACFDB0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Stefan,LF,
the tx is still on ,but there are no= stations in a=20 radius of 40 km who would be willing and equipped to recieve my signal= on=20 8.970.025 khz,and the step to your grabber is to far,but i am worked= on=20 it,
best 73's
henny pa3cpm
----- Original Message -----
Sent: Thursday, March 10, 201= 1 11:06=20 AM
Subject: Re: LF: Re: VLF Stab= ility and=20 soundcard locking

Hello Pete,

Am 09.03.2011 19:36, schrieb M0FMT= :=20
Mal.....  for my ten cents worth.
 
Without being able to add modulation or on-off keying then no= QSO is=20 taking place.
 
I suppose you could say if there is a carrier then some one= is in the=20 shack but that's not really a QSO.
 
I was hoping at the start of this exercise that a CW or other= PSK or=20 similar real time QSO could be carried out over say 10/20kms.=  From=20 the tests Chris G3XIZ has done the best looks like a real time QSO= would=20 only happen over a 1.5km path cross=20 town.
[...]
Remember that i have dete= cted my=20 own CW transmission in a distance of 40.0 km (far field and above 1= Lambda) on=20 8970 Hz. Listen at http://= dl.dropbox.com/u/19882028/DK7FCinCWon8970Hzthe33kmband.WAV
So= =20 it is possible to do a CW QSO there. Distance is relative. While it= is trivial=20 to do a QSO on 20m in 10000km distance it is something special to re= ach 10km=20 on VLF or on Laser-TX or 47 GHz and above.
A VLF x band QSO in CW= would=20 have been done if there would be stations in that radius of 40, mayb= e 60 km=20 who would be willing and equipped to receive my signal...

73,= =20 Stefan/DK7FC

Geen virus gevonde= n in dit=20 bericht.
Gecontroleerd door AVG - www.avg.com
Versie: 10.0.1204 /=20 Virusdatabase: 1497/3495 - datum van uitgifte:=20 03/09/11

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