Return-Path: X-Spam-DCC: paranoid 1356; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,HTML_MESSAGE autolearn=unavailable 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 s7LN4M6e029040 for ; Fri, 22 Aug 2014 01:04:24 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1XKbIF-0002pC-8j for rs_out_1@blacksheep.org; Thu, 21 Aug 2014 23:57:19 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1XKbIE-0002p1-JO for rsgb_lf_group@blacksheep.org; Thu, 21 Aug 2014 23:57:18 +0100 Received: from omr-d10.mx.aol.com ([205.188.108.134]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.82) (envelope-from ) id 1XKbIB-0001mu-PM for rsgb_lf_group@blacksheep.org; Thu, 21 Aug 2014 23:57:17 +0100 Received: from mtaout-aad02.mx.aol.com (mtaout-aad02.mx.aol.com [172.26.127.226]) by omr-d10.mx.aol.com (Outbound Mail Relay) with ESMTP id 5E7297003F621 for ; Thu, 21 Aug 2014 18:57:13 -0400 (EDT) Received: from White (unknown [95.90.198.27]) by mtaout-aad02.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id 6303B3800008A for ; Thu, 21 Aug 2014 18:57:10 -0400 (EDT) Message-ID: <12006ACF60674EC98980D8D5D850DB76@White> From: "Markus Vester" To: References: <8D18AC610EBE269-220C-B6EE@webmail-vm050.sysops.aol.com> <001601cfbcb1$64069520$6d01a8c0@DELL4> <0192C109CA074DB791C25365E274B192@White> <53F51C70.6000307@gmail.com> <2B52624F582B472196C403C438F0C5CE@MichaelSappPC> <53F52F7D.90401@gmail.com> <53F602EF.6010605@gmail.com> Date: Fri, 22 Aug 2014 00:57:07 +0200 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-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20140625; t=1408661833; bh=8unu41R/8YdrZFpFJKCu0LIw/yEtRprWGTGa3uKB6ZE=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=iDqU8NfyZOWaKToOa8w6aGyRZIC6tRV0e613NW26XHbndVjxethHw7NyyEjB8psXM Gq/F+uanoEDrkxSAs1cu5hWikQfbrIJkivGE7ZdTq2RS6KLONQs6dv9W81qcuMLpnT jlXvHVPzzXi2kzqfmPKOsKLE0vLi4/0tMyEURgLI= x-aol-sid: 3039ac1a7fe253f679461142 X-AOL-IP: 95.90.198.27 X-Scan-Signature: 8a92398c4d799328418d0bdb7e7fa4f8 Subject: Re: LF: Re: Anyone there? Content-Type: multipart/alternative; boundary="----=_NextPart_000_0004_01CFBDA3.FF6F5900" 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 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 254 Dies ist eine mehrteilige Nachricht im MIME-Format. ------=_NextPart_000_0004_01CFBDA3.FF6F5900 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Stefan, will you continue to send DFCW 90 tonight? I could join in 0.5 = Hz above you for a few hours. Folks, put your grabbers up ;-) >> they somehow know now what they have to do (frequency, di/dt, peak = current...) ...well after going through several billion cycles the FETs must have = aquired a bit of routine ;-) Guess they've become a bit like old = friends, and I'm sure you take care that you won''t loose one of them = ;-) All the best, Markus (DF6NM) From: DK7FC=20 Sent: Thursday, August 21, 2014 4:32 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: Re: Anyone there? Hi Markus,=20 Yes, Jay picked it. A good surprise. OP32 is about 100 Hz lower in frequency, maybe this is more promising = ;-)=20 About the reactive load: If i just run half of the antenna current, the = PA has no problems. BTW i somehow feel that the MOSEFTs become better by = the time, they somehow know now what they have to do (frequency, di/dt, = peak current...) :-) 73, Stefan Am 21.08.2014 04:30, schrieb Markus Vester:=20 Stefan, ah, that explains it! I was wondering why your fieldstrength had = dropped after you went up the band, thinking that my RX calibration had = somehow gone haywire. Hope your PA doesn't mind the reactive load! Maybe = you could temporarily reduce the coil inductance by half a percent, eg. = by inducing eddy currents in a metal sheet beneath it. Or (perhaps less = lossy) insert an 80 nF series capacitor. Anyway it looks like Jay has picked up your "QRP" signal already! 73, Markus =20 From: DK7FC=20 Sent: Thursday, August 21, 2014 1:30 AM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: Re: Anyone there? Thanks Mike. Obviously my TX power is about 6 dB lower because of a temporary = metallic construction near the antenna, which brings my variometer to = the lower end, i.e. the maximum resonance frequency below 137.610 kHz. = :-( Thus my DFCW is not affected but WSPR-15 is QRP as you can see :-( = Good luck anyway :-) 73, Stefan Am 21.08.2014 00:22, schrieb Michael Sapp:=20 Stefan: I'll put 2200m wspr15 RX on after local sunset here in = EN90xn... 73, Mike wa3tts ----- Original Message -----=20 From: DK7FC=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Wednesday, August 20, 2014 6:08 PM Subject: Re: LF: Re: Anyone there? Hi all, I've just started my WSPR-15 transmissions for this night but was = a few seconds to late. So the first slot will be 22:30 UTC. Will someone join to LF? 73, Stefan (operator DWS) ;-) Am 20.08.2014 23:19, schrieb Markus Vester:=20 Dave, following your notice I reactivated the WSPR-15 receiver, = though I have little hope of catching Robert's signal in my noisy = location. But Tom 'HUH appeared on screen so the setup still seems to = work. Jay, yes I've made a habit of looking at your LF grabber, and = noticed that you've been picking up Stefan's transmissions quite well. = The weather is now getting a bit more quiet here with less thunder, so I = hope to join in again soon.=20 Thanks both for your replies! 73, Markus From: jrusgrove@comcast.net=20 Sent: Wednesday, August 20, 2014 10:00 PM To: rsgb_lf_group@blacksheep.org=20 Subject: LF: Re: Anyone there? Markus I'm still here ...=20 Yes, I've been keeping an eye out for Stefan when he fires up = 'Deutschland World Service' and broadcasts in time slots favorable to = the west ;~) Jay=20 ----- Original Message -----=20 From: Markus Vester=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Wednesday, August 20, 2014 3:42 PM Subject: LF: Anyone there? ...no mails for a couple of days - just the usual summer hole, = or has Blacksheep gone offline? Nice DFCW activity from DK7FC every evening, apparently aiming = for Tasmania again. Bombastic signal, as always :-) Wishing everyone a nice summer,=20 73, Markus (DF6NM) =20 ------=_NextPart_000_0004_01CFBDA3.FF6F5900 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Stefan, will you continue to send = DFCW 90=20 tonight? I could join in 0.5 Hz above you for a few hours. Folks, put = your=20 grabbers up ;-)
 
>> they somehow know now what they have to do (frequency, = di/dt, peak=20 current...)
 
...well  after going through = several billion=20 cycles the FETs must have aquired a bit of routine ;-) Guess they've = become a=20 bit like old friends, and I'm sure you take care that you won''t loose = one of=20 them ;-)
 
All the best,
Markus (DF6NM)
 
 

From: DK7FC
Sent: Thursday, August 21, 2014 4:32 PM
To: rsgb_lf_group@blacksheep.org= =20
Subject: Re: LF: Re: Anyone there?

Hi Markus,

Yes, Jay picked it. A good = surprise.
OP32=20 is about 100 Hz lower in frequency, maybe this is more promising ;-) =
About=20 the reactive load: If i just run half of the antenna current, the PA has = no=20 problems. BTW i somehow feel that the MOSEFTs become better by the time, = they=20 somehow know now what they have to do (frequency, di/dt, peak = current...)=20 :-)

73, Stefan

Am 21.08.2014 04:30, schrieb Markus Vester: =
 
Stefan,
 
ah, that explains it! I was wondering = why your=20 fieldstrength had dropped after you went up the=20 band, thinking that my RX calibration had somehow gone = haywire.=20 Hope your PA doesn't mind the reactive load! Maybe you could = temporarily=20 reduce the coil inductance by half a percent, eg. by inducing = eddy=20 currents in a metal sheet beneath it. Or (perhaps less lossy) insert = an 80 nF=20 series capacitor.
 
Anyway it looks like Jay has picked up your = "QRP" signal=20 already!
 
73, Markus

 
From: DK7FC
Sent: Thursday, August 21, 2014 1:30 AM
To: rsgb_lf_group@blacksheep.org
Subject: Re: LF: Re: Anyone there?

Thanks Mike.

Obviously my TX power is about 6 dB = lower=20 because of a temporary metallic construction near the antenna, which = brings my=20 variometer to the lower end,  i.e. the maximum resonance = frequency below=20 137.610 kHz.  :-(
Thus my DFCW is not affected but WSPR-15 is = QRP as=20 you can see :-( Good luck anyway :-)
73, Stefan


Am = 21.08.2014=20 00:22, schrieb Michael Sapp:=20
Stefan: I'll put 2200m wspr15 RX on = after local=20 sunset here in EN90xn...
 
73, Mike wa3tts
-----=20 Original Message ----- From:=20 DK7FC To:=20 rsgb_lf_group@blacksheep.org Sent:=20 Wednesday, August 20, 2014 6:08 PM Subject:=20 Re: LF: Re: Anyone there?

Hi all,

I've just started my WSPR-15 = transmissions=20 for this night but was a few seconds to late. So the first slot = will be=20 22:30 UTC.
Will someone join to LF?

73, Stefan (operator = DWS)=20 ;-)

Am 20.08.2014 23:19, schrieb Markus Vester:=20
Dave, following your notice I=20 reactivated the WSPR-15 receiver, though I have little = hope of=20 catching Robert's signal in my noisy location. But Tom = 'HUH=20 appeared on screen so the setup still seems to = work.
  Jay, yes I've made a habit of looking at = your LF=20 grabber, and noticed that you've been picking up Stefan's=20 transmissions quite well. The weather is now getting a = bit=20 more quiet here with less thunder, so I hope to join in again=20 soon.    Thanks both for your replies!   73, Markus  

Sent: Wednesday, August 20, 2014 10:00 PM
Subject: LF: Re: Anyone there?

Markus
 
I'm still here ... =
 
Yes, I've been keeping an eye = out for=20 Stefan when he fires up 'Deutschland World=20 Service' and broadcasts in time slots favorable = to the=20 west ;~)
 
Jay 
-----=20 Original Message ----- From:=20 Markus Vester To:=20 rsgb_lf_group@blacksheep.org = Sent:=20 Wednesday, August 20, 2014 3:42 PM Subject:=20 LF: Anyone there?

...no mails=20 for a couple of days - just the usual summer hole, = or has=20 Blacksheep gone offline?
 
Nice=20 DFCW activity from DK7FC every evening, apparently aiming for = Tasmania=20 again. Bombastic signal, as always :-)
 
Wishing=20 everyone a nice summer,
 
73,=20 Markus (DF6NM)  
=

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