Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-de05.r1000.mx.aol.com (Internet Inbound) with ESMTP id 4FB97380000AF; Thu, 14 Feb 2013 12:22:57 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1U61yj-0007JZ-6f for rs_out_1@blacksheep.org; Thu, 14 Feb 2013 16:48:09 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1U61yi-0007JQ-JP for rsgb_lf_group@blacksheep.org; Thu, 14 Feb 2013 16:48:08 +0000 Received: from smtpout5.wanadoo.co.uk ([80.12.242.80] helo=smtpout.wanadoo.co.uk) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1U61yf-0007nJ-SP for rsgb_lf_group@blacksheep.org; Thu, 14 Feb 2013 16:48:07 +0000 Received: from AGB ([2.26.47.119]) by mwinf5d69 with ME id 0Gnk1l00U2aHHfE03Gnky8; Thu, 14 Feb 2013 17:47:45 +0100 Message-ID: <31CA41BB4CED47959823DD9B61910106@AGB> From: "Graham" To: References: <511CD4C3.6070003@iup.uni-heidelberg.de> In-Reply-To: <511CD4C3.6070003@iup.uni-heidelberg.de> Date: Thu, 14 Feb 2013 16:47:44 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Well Stefan , better the dsp engine respond Only problem 8970 is out side the decoder pass band , if qrg can be changed to 8912.5 +/- 12 Hz then no problems To date , there have been various garden gate tests and ground testing in USA , but as yet, no real long range AIR-Test , in this case the sound card is acting as SDR with no need for additional frequency adjustment. [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [80.12.242.80 listed in list.dnswl.org] 0.0 T_OBFU_GIF_ATTACH BODY: GIF attachment with generic MIME type 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: ad4be66560ed407055baa7738753e104 Subject: Re: LF: Re: 8970.022 Hz Content-Type: multipart/related; type="multipart/alternative"; boundary="----=_NextPart_000_0073_01CE0AD3.02D9D2D0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=HTML_30_40,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-VSS-INFO: 5400.1158/88193 X-AOL-VSS-CODE: clean x-aol-sid: 3039ac1d40cd511d1d701fcb X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. ------=_NextPart_000_0073_01CE0AD3.02D9D2D0 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0074_01CE0AD3.02D9D2D0" ------=_NextPart_001_0074_01CE0AD3.02D9D2D0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Well Stefan , better the dsp engine respond Only problem 8970 = is out side the decoder pass band , if qrg can be changed to = 8912.5 +/- 12 Hz then no problems =20 To date , there have been various garden gate tests and ground = testing in USA , but as yet, no real long range AIR-Test , in this = case the sound card is acting as SDR with no need for additional = frequency adjustment.=20 Due to the long 4 hour 50% duty cycle OP4H shows on Spec lab = qrsss giving a second chance at observation=20 Tx drive is per normal, with direct 8KHz audio keyed and = COM-Port CW keying =20 [ decoder pass band is centred on 8912.5 Hz with +/- = 12.5 Hz window , giving 8900 <> 8925 Hz] Normal sound card stability is required , the Tx audio drive is = centred on 8912.5 , with carrier avoidance , Rx input is direct = at 8900 <> 8925 Hz ,=20 The lowest decode to date showing at -49 dB on the Op scale ( = calibrated to path-sim software) Note , Op4H is still a data mode and not a carrier detection = system and still capable of multi Tx decodes , normal web linking = is provided and PSK-Reporter has a 'VLF' band , Marcu's = correlation system should give lower s/n as well ? Latest version of OP available for download has the 8K band = qrg corrected in the listing and w/fall ,=20 http://rosmodem.wordpress.com/ If anyone is to try OP4H , a post in = http://groups.yahoo.com/group/O_P_E_R_A_/ will alert users =20 73 -Graham G0NBD From: Stefan Sch=C3=A4fer=20 Sent: Thursday, February 14, 2013 12:12 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: Re: 8970.022 Hz Uwe,=20 Solid signal since several days! What about some special tests, like = WSPR-240 or so? Of course G.. would love OP4H (bet he will respond to = that :-) ). The WX is dry and sunny now and i begin to get some "spring-feelings" = and think about a VLF test again... I hope to remember how to do it :-) 73, Stefan/DK7FC Am 13.02.2013 21:13, schrieb Eike Katzera:=20 Hello Uwe, I am interested in descriptions and pictures of your VLF transmitter = and your antenna? Do you have any?=20 73s Eike DL3IKE Gesendet: Montag, 11. Februar 2013 um 12:53 Uhr Von: uwe-jannsen@kabelmail.de An: rsgb_lf_group@blacksheep.org Betreff: Re: Re: LF: Re: 8970.022 Hz=20 OK. Stefan, you are welcome. I have to switch off the TX because of heavy wind. until later Uwe/dj8wx -------------------------------------------------------------------------= ----- Von: rsgb_lf_group@blacksheep.org Gesendet: 11.02.2013 11:48 An: rsgb_lf_group@blacksheep.org Betreff: Re: LF: Re: 8970.022 Hz -------------------------------------------------------------------------= ----- Uwe, VLF,=20 IT looks like i can see you in my 4.5 mHz ("DFCW-600") window, right = now! http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.html Thanks for the signal. I begin to consider to join you there! 73, Stefan/DK7FC Am 10.02.2013 00:42, schrieb g3zjo:=20 Nice one again today Uwe 73 Eddie On 08/02/2013 21:49, uwe-jannsen@kabelmail.de wrote:=20 thanks for the grabber, Eddie GL Uwe/dj8wx ------=_NextPart_001_0074_01CE0AD3.02D9D2D0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Well  Stefan ,  better the  dsp  engine = respond =20 3D"Smile  Only  problem   = 8970  is out  side the  decoder pass  band  ,=20 if   qrg  can be changed  to  = 8912.5   +/- 12=20 Hz   then  no  problems 
 
To date  , there  have  been  various =20 garden  gate  tests  and ground  testing  in = USA ,=20 but  as yet, no  real  long range  AIR-Test , in = this case=20 the  sound card is  acting  as  SDR  with  = no  need for  additional   frequency adjustment. =
 
Due to the  long  4 hour 50%  duty cycle  = OP4H =20 shows  on Spec lab  qrsss   giving  a =20 second  chance  at  observation
 
Tx  drive  is  per  normal, with  =20 direct    8KHz  audio keyed    and = COM-Port =20 CW keying 
 
[  decoder pass  band  is  centred  = on  =20 8912.5    Hz   with   = +/-   =20 12.5 Hz  window  , giving  8900 <> 8925  = Hz]
 
Normal  sound  card  stability is  required , = the =20 Tx audio  drive is   centred  on   = 8912.5  ,=20 with  carrier  avoidance  , Rx input  is  = direct =20 at  8900 <> 8925  Hz  ,
 
The lowest  decode to  date  showing at  -49 = dB =20 on the  Op scale  ( calibrated to  path-sim  = software)
 
Note , Op4H   is  still  a  data  = mode =20 and not  a  carrier  detection  system and  = still =20 capable  of  multi Tx decodes  , normal   web=20 linking  is  provided  and  PSK-Reporter  = has =20 a   'VLF'    band , Marcu's =20 correlation   system  should  give  lower  = s/n as=20 well  ?
 
Latest  version  of  OP available  for =20 download  has  the  8K band   qrg  = corrected in=20 the  listing  and w/fall ,=20
 
 
 
73 -Graham
G0NBD
 

From: Stefan = Sch=C3=A4fer
Sent: Thursday, February 14, 2013 12:12 PM
To: rsgb_lf_group@blacksheep.org= =20
Subject: Re: LF: Re: 8970.022 Hz

Uwe,

Solid signal since several days!  What = about=20 some special tests, like WSPR-240 or so? Of course G.. would love OP4H = (bet he=20 will respond to that :-) ).

The WX is dry and sunny now and i = begin to=20 get some "spring-feelings" and think about a VLF test again... I hope to = remember how to do it :-)

73, Stefan/DK7FC



Am = 13.02.2013=20 21:13, schrieb Eike Katzera:=20
Hello Uwe,
I am interested in descriptions and pictures of your VLF = transmitter and=20 your antenna? Do you have any?
73s
Eike DL3IKE
Gesendet: Montag, 11. = Februar=20 2013 um 12:53 Uhr
Von: uwe-jannsen@kabelmail.de
= An: rsgb_lf_group@blacksheep.org=
Betreff: Re:=20 Re: LF: Re: 8970.022 Hz
OK.=20 Stefan,

you are welcome.

I have to switch off the TX = because of=20 heavy wind.

until later
Uwe/dj8wx
Von: rsgb_lf_group@blacksheep.org=
Gesendet:=20 11.02.2013 11:48
An: rsgb_lf_group@blacksheep.org=
Betreff:=20 Re: LF: Re: 8970.022 Hz

Uwe, VLF,

IT looks like i can see you in my 4.5 mHz = ("DFCW-600")=20 window, right now!
http://www.iup.uni-heidelberg.de/schaefer_vlf/DK= 7FC_VLF_Grabber.html

Thanks=20 for the signal.

I begin to consider to join you = there!

73,=20 Stefan/DK7FC

Am 10.02.2013 00:42, schrieb g3zjo:=20
Nice one again today Uwe

73 Eddie

On = 08/02/2013=20 21:49, uwe-jannsen@kabelmail.de wrote:=20
thanks=20 for the grabber,=20 = Eddie

GL
Uwe/dj8wx


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