Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mh03.r1000.mx.aol.com (Internet Inbound) with ESMTP id D1FBD380000B7; Sat, 14 Jul 2012 15:45:49 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Sq7h9-0005fX-2k for rs_out_1@blacksheep.org; Sat, 14 Jul 2012 20:07:59 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Sq7h8-0005fO-41 for rsgb_lf_group@blacksheep.org; Sat, 14 Jul 2012 20:07:58 +0100 Received: from smtpout1.wanadoo.co.uk ([80.12.242.29] helo=smtpout.wanadoo.co.uk) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1Sq7h5-000075-Ri for rsgb_lf_group@blacksheep.org; Sat, 14 Jul 2012 20:07:56 +0100 Received: from AGB ([2.26.21.219]) by mwinf5d01 with ME id aK7t1j0094jce6y03K7tVP; Sat, 14 Jul 2012 21:07:54 +0200 Message-ID: <4D5E04E46A2047F7A7E3B9FBB40180D6@AGB> From: "Graham" To: References: <2EF69530CC694F89ADDC70851C979A5D@AGB><5988673200AC4A4C88526277AC77AB1E@AGB><50016531.4090905@xs4all.nl> In-Reply-To: Date: Sat, 14 Jul 2012 20:07:53 +0100 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: 1.8 (+) 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: ''Its not if you win the race , its how you play the game'' Taking that psk/fsk can achieve 6 dB efficiency over on/off keying , to decode at a similar level in a similar time is quite an achievement ! [...] Content analysis details: (1.8 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [80.12.242.29 listed in list.dnswl.org] 1.8 URIBL_BLACK Contains an URL listed in the URIBL blacklist [URIs: qss2.blogspot.com] 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: d315c81827f71be07030d900195100c1 Subject: Re: LF: DUAL BEACON WSPR + OPERA 500Khz Content-Type: multipart/alternative; boundary="----=_NextPart_000_00D3_01CD61FC.5A350750" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.0 required=5.0 tests=HTML_30_40, HTML_FONTCOLOR_UNSAFE,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-SCOLL-SCORE: 0:2:503837184:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d60d75001cc6d740a 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_00D3_01CD61FC.5A350750 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable ''Its not if you win the race , its how you play the game''=20 Taking that psk/fsk can achieve 6 dB efficiency over on/off = keying , to decode at a similar level in a similar time is quite = an achievement ! As Albert points out, qsb caused the most disruption, I think = wspr is also overlaying to build up a data frame , which may be = taking advantage of the qsb signature=20 Access to the mode is the important thing. any (stable) station = can send Opera , which makes it the first 'new' all user data = mode since the year 'dot'=20 One thing that is missing , is some kind of data server , = everything is sent to the psk-reporter system , but it a little = limited in searching and displaying =20 but as yet, not able to find anyone/group to try coding one =20 73-Graham. From: Roger Lapthorn=20 Sent: Saturday, July 14, 2012 2:13 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: DUAL BEACON WSPR + OPERA 500Khz Hi Graham, Likewise I still prefer WSPR.=20 Decodes occur at similar levels to OP2 and the interface and web = database features make it the more attractive mode, for me. I'll = continue to play with both though and make a more informed view later. = The OOK feature of OPERA I can see is attractive for many.=20 Hope to be QRP testing again this evening, probably TXing on WSPR and = monitoring both WSPR and OPERA on 500kHz USB dial. I would like to find = out if GM4SLV can decode me on either mode using my current set-up. Will = you be around John P-G? 73s Roger G3XBM On 14 July 2012 13:25, Albert wrote: Graham, Regarding your dual mode 500 kHz tests yesterday. For me the absolute = winner is WSPR, when Opera stopped to decode, due to QSB, WSPR continued = with decodes at least 3 to 4 dB deeper into the noise.=20 73, Albert PA0A QRT 0000z=20 Thanks all for reports =20 73 -Graham,=20 From: Graham=20 Sent: Friday, July 13, 2012 7:06 PM To: rsgb_lf_group@blacksheep.org=20 Subject: LF: DUAL BEACON WSPR + OPERA 500Khz All,=20 DUAL BEACON WSPR + OPERA 500Khz Running dual beacon , parallel Tx times ......Tx 100% duty = cycle=20 Dial set 500.000 Khz USB =20 73 - Graham G0NBD --=20 http://g3xbm-qrp.blogspot.com/ http://www.g3xbm.co.uk https://sites.google.com/site/sub9khz/ http://qss2.blogspot.com/ ------=_NextPart_000_00D3_01CD61FC.5A350750 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
''Its not if you  win the  race , its how you  play=20 the  game''
 
Taking that   psk/fsk  can  achieve   = 6=20 dB  efficiency over  on/off  keying  , to  = decode=20 at  a similar  level  in a  similar  time  = is=20 quite an achievement !
 
As Albert  points  out,  qsb  caused  = the =20 most  disruption, I think wspr  is  also  = overlaying =20 to  build up a  data  frame , which may  be =20 taking  advantage of the qsb  signature
 
Access  to the  mode is the  important  = thing. =20 any  (stable)  station can  send  Opera , = which =20 makes it the  first  'new'  all  user  = data =20 mode  since  the  year  'dot'
 
One thing  that is  missing , is  some  kind = of =20 data server , everything  is  sent to  the =20 psk-reporter  system , but  it  a  little  = limited=20 in  searching and displaying 
but  as yet, not  able to  find  = anyone/group =20 to  try  coding  one 
 
73-Graham.
 

From: Roger Lapthorn
Sent: Saturday, July 14, 2012 2:13 PM
To: rsgb_lf_group@blacksheep.org= =20
Subject: Re: LF: DUAL BEACON WSPR + OPERA = 500Khz

Hi Graham,

Likewise I still prefer WSPR. =

Decodes=20 occur at similar levels to OP2 and the interface and web database = features make=20 it the more attractive mode, for me. I'll continue to play with both = though and=20 make a more informed view later. The OOK feature of OPERA I can see is=20 attractive for many.

Hope to be QRP testing again this evening, = probably=20 TXing on WSPR and monitoring both WSPR and OPERA on 500kHz USB dial. I = would=20 like to find out if GM4SLV can decode me on either mode using my current = set-up.=20 Will you be around John P-G?

73s
Roger G3XBM

On 14 July 2012 13:25, Albert <westberg@xs4all.nl>=20 wrote:
Graham,

Regarding your dual mode 500 kHz tests = yesterday. For=20 me the absolute winner is WSPR, when Opera stopped to decode, due to = QSB, WSPR=20 continued with decodes at least 3 to 4 dB deeper into the noise. =

73,=20 Albert PA0A


QRT  0000z
 
Thanks  all  for  reports 
 
73 -Graham,

From: Graham =
Sent: Friday, July 13, 2012 7:06 PM
To: rsgb_lf_group@blacksheep.org
Subject: LF: DUAL BEACON WSPR + OPERA = 500Khz

All,
 
DUAL  BEACON   WSPR + OPERA   = 500Khz
 
Running   dual  beacon  , = parallel   Tx=20 times ......Tx   100%   duty cycle
 
Dial  set   500.000  Khz  USB  =
 
73 - Graham
G0NBD
 
 
=
 




--
http://g3xbm-qrp.blogspot.com/
http://www.g3xbm.co.uk
https://sites.google.com/site/sub9khz/
http://qss2.blogspot.com/

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