Return-Path: Received: from mtain-dg06.r1000.mx.aol.com (mtain-dg06.r1000.mx.aol.com [172.29.65.14]) by air-dd04.mail.aol.com (v129.4) with ESMTP id MAILINDD043-865a4d334bb51a; Sun, 16 Jan 2011 14:49:09 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dg06.r1000.mx.aol.com (Internet Inbound) with ESMTP id E638838000084; Sun, 16 Jan 2011 14:49:07 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PeYaI-00029g-AL for rs_out_1@blacksheep.org; Sun, 16 Jan 2011 19:48:18 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PeYaH-00029X-Py for rsgb_lf_group@blacksheep.org; Sun, 16 Jan 2011 19:48:17 +0000 Received: from imr-mb01.mx.aol.com ([64.12.207.164]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PeYaE-0004lV-Rd for rsgb_lf_group@blacksheep.org; Sun, 16 Jan 2011 19:48:17 +0000 Received: from mtaout-ma01.r1000.mx.aol.com (mtaout-ma01.r1000.mx.aol.com [172.29.41.1]) by imr-mb01.mx.aol.com (8.14.1/8.14.1) with ESMTP id p0GJm63U019596 for ; Sun, 16 Jan 2011 14:48:06 -0500 Received: from White (nrbg-4dbe6ee4.pool.mediaWays.net [77.190.110.228]) by mtaout-ma01.r1000.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id 7F42AE000084 for ; Sun, 16 Jan 2011 14:48:03 -0500 (EST) Message-ID: <1FC5E94339E54506988CB09F1731DE6A@White> From: "Markus Vester" To: References: <1295171491.1490.6.camel@gerhard-desktop> <0DAC5FE50C1842BB85E38DAF1D1880AE@White> <1295198333.1437.41.camel@gerhard-desktop> Date: Sun, 16 Jan 2011 20:48:02 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 12.0.1606 X-MimeOLE: Produced By Microsoft MimeOLE V12.0.1606 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: OE3GHB_active Content-Type: multipart/alternative; boundary="----=_NextPart_000_0021_01CBB5BE.AAA53AC0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_20_30,HTML_MESSAGE, MISSING_OUTLOOK_NAME 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: 3039ac1d410e4d334bb36890 X-AOL-IP: 195.171.43.25 ------=_NextPart_000_0021_01CBB5BE.AAA53AC0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Dear Gerhard, VLF dreamers, yes, this is indeed interesting. We are probably seeing a phasing effe= ct between skywave and groundwave (or should I say between ionospheric= waveguide modes), which depends on distance and solar elevation. The= constellation between our stations (two transmitters and two receiver= s, roughly spaced 200, 400 and 600 km along a straight line) seems to= be favourable for this kind of observations. On the MSK grabber segment, DHO exhibited a remarkable frequency selec= tive sunset dip, walking through the emission band (200 Hz HF-to-LF in= about 10 minutes). After 16:10, the VLF traces on my grabber were dis= rupted due to local 137 kHz transmit activity. Best wishes, Markus (DF6NM) From: Gerhard Hickl=20 Sent: Sunday, January 16, 2011 6:18 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: OE3GHB_active Dear Markus and group! I'm not sure but probably on your grabber there's a nice propagation effect on VLF visible. I radiated all the time today with nearly constant power, except some= 5 minutes breaks and a half hours of downtime. Ossi's signal also was very constant all the time on his grabber which is 10km away. Starting from 12:00z and lasting until about 14:00z my signal is clear= ly stronger than Ossi's signal, while at the moment, my signal isn't visible any more and Ossi's signal is still present, even maybe strong= er than most of the day. On Stefan's grabber this effect is not clearly visible. This is quite interesting. 73 OE3GHB Gerhard Am Sonntag, den 16.01.2011, 14:04 +0100 schrieb Markus Vester: > Gerhard, good traces in Heidelberg as well as in Nuernberg! Now at= 13 > UT you're passing 8969.965, and still going down very slowly.=20 > =20 > 8970.02 has also come alive. > =20 > Best of luck, > Markus (DF6NM) > =20 >=20 >=20 > From: Gerhard Hickl=20 > Sent: Sunday, January 16, 2011 10:51 AM > To: rsgb_lf_group@blacksheep.org=20 > Subject: Re: LF: OE3GHB_active >=20 >=20 > Hello group! >=20 > I seem to be on 8969.98 drifting downwards. >=20 > I have deactivated my VLF grabber because of the strong signal > radiated. >=20 > Conditions look better than yesterday and also locally the weather= is > fine. No wind means a stable antenna-wire with constant current and > temperature around 8 centigrade. >=20 > I will interrupt my transmission at 10:00z for 5 minutes to make som= e > changes. >=20 > A good reception to all listening stations. >=20 > 73 >=20 > OE3GHB > Gerhard > =20 >=20 > Am Sonntag, den 16.01.2011, 10:15 +0100 schrieb Lubos OK2BVG: > > Hello LF! > > Gerhard is active on 8970Hz.=20 > >=20 > > Lubos, OK2BVG >=20 >=20 >=20 ------=_NextPart_000_0021_01CBB5BE.AAA53AC0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Dear Gerhard, VLF dreamers,
 
yes, this is indeed interesting.= We are=20 probably seeing a phasing effect between skywave and groundwave= (or should=20 I say between ionospheric waveguide modes), which depends on distance= and solar=20 elevation. The constellation between our stations (two transmitters an= d two=20 receivers, roughly spaced 200, 400 and 600 km along a straight li= ne)=20 seems to be favourable for this kind of observations.
 
On the MSK grabber segment, = ;DHO exhibited=20 a remarkable frequency selective sunset dip, walking through=20 the emission band (200 Hz HF-to-LF in about 10 minutes). <= FONT face=3DArial size=3D2>After 16:10, the VLF traces on my gr= abber were disrupted=20 due to local 137 kHz transmit activity.
 
Best wishes,
Markus (DF6NM)

Sent: Sunday, January 16, 2011 6:18 PM
Subject: Re: LF: OE3GHB_active
=
Dear Markus=20 and group!

I'm not sure but probably on your grabber there's a= nice=20 propagation
effect on VLF visible.

I radiated all the time= today with=20 nearly constant power, except some 5
minutes breaks and a half hour= s of=20 downtime.

Ossi's signal also was very constant all the time on= his=20 grabber which
is 10km away.

Starting from 12:00z and lasting= until=20 about 14:00z my signal is clearly
stronger than Ossi's signal, whil= e at the=20 moment, my signal isn't
visible any more and Ossi's signal is still= present,=20 even maybe stronger
than most of the day.

On Stefan's grabbe= r this=20 effect is not clearly visible.

This is quite=20 interesting.

73
OE3GHB
Gerhard


Am Sonntag, den= =20 16.01.2011, 14:04 +0100 schrieb Markus Vester:
> Gerhard, good= traces in=20 Heidelberg as well as in Nuernberg! Now at 13
> UT you're passin= g=20 8969.965, and still going down very slowly.
> 
> 89= 70.02 has=20 also come alive.
> 
> Best of luck,
> Markus= =20 (DF6NM)
> 
>
>
> From: Gerhard Hickl=
>=20 Sent: Sunday, January 16, 2011 10:51 AM
> To: rsgb_lf_group@blacksheep.org=20
> Subject: Re: LF: OE3GHB_active
>
>
> Hell= o=20 group!
>
> I seem to be on 8969.98 drifting downwards.>=20
> I have deactivated my VLF grabber because of the strong signa= l
>=20 radiated.
>
> Conditions look better than yesterday and= also=20 locally the weather is
> fine. No wind means a stable antenna-wi= re with=20 constant current and
> temperature around 8 centigrade.
>=
> I=20 will interrupt my transmission at 10:00z for 5 minutes to make some>=20 changes.
>
> A good reception to all listening stations.<= BR>>=20
> 73
>
> OE3GHB
> Gerhard
> 
= >=20
> Am Sonntag, den 16.01.2011, 10:15 +0100 schrieb Lubos OK2BVG:=
>=20 > Hello LF!
> > Gerhard is active on 8970Hz.
> >=
>=20 > Lubos, OK2BVG
>
>
>



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