Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dl01.r1000.mx.aol.com (Internet Inbound) with ESMTP id 4283138000082; Tue, 31 Jan 2012 07:03:58 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1RsCQV-0008Nl-5i for rs_out_1@blacksheep.org; Tue, 31 Jan 2012 12:03:07 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1RsCQU-0008Nc-NH for rsgb_lf_group@blacksheep.org; Tue, 31 Jan 2012 12:03:06 +0000 Received: from out1.ip07ir2.opaltelecom.net ([62.24.128.243]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1RsCQS-00078A-AL for rsgb_lf_group@blacksheep.org; Tue, 31 Jan 2012 12:03:06 +0000 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av8EAErYJ09cHYBK/2dsb2JhbABDrl+BBoFtBQEBBQgBAQNJAiwBAQMFAgEDBA0EAQEKJRQBBBoGFggGEwoBAgIBAYduuQyLOw0BCRgLGQGEEQgBBAQlARWDHASCW4UyhTiaLw X-IronPort-AV: E=Sophos;i="4.71,595,1320624000"; d="scan'208,217";a="22757205" Received: from host-92-29-128-74.as13285.net (HELO xphd97xgq27nyf) ([92.29.128.74]) by out1.ip07ir2.opaltelecom.net with SMTP; 31 Jan 2012 12:02:53 +0000 Message-ID: <002501cce010$42e934e0$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <001501cce008$8331a210$0401a8c0@xphd97xgq27nyf> <4F27D2B8.6080403@talktalk.net> Date: Tue, 31 Jan 2012 12:02:52 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: 500 opera Content-Type: multipart/alternative; boundary="----=_NextPart_000_0022_01CCE010.42934CB0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,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-SCOLL-SCORE: 0:2:418340736:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d4acf4f27d8ae1e8b 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_0022_01CCE010.42934CB0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Eddie This mode has some merit and easy to integrate into existing CW es QRSS = transmitters using Class D or E amplifiers. No need for transverters or = linear amps. On a par more or less with QRSS. I suppose the direct information read out is an advantage for some, = where no morse code knowledge is necessary.=20 The down side would be decode or nothing whereas QRSS would produce some = info in adverse propagation codx mal/g3kev ----- Original Message -----=20 From: qrss=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Tuesday, January 31, 2012 11:38 AM Subject: Re: LF: 500 opera OPERA (DigiMode) doing a fine job there. Re swamping by stronger stations, I find as long as other signals are = not co-channel then OPERA is amazingly robust, I can RX and decode = -25dB signals within a few Hz of my own simultaneous transmission. E On 31/01/2012 11:06, mal hamilton wrote:=20 G3ZJO decoded and stopped at 1057 z TRACE visible during = transmission. I happened to be in the shack to observe Antenna in use 1/4 wave inv L full size 500 Strong signals when active at the same time as the weaker ones are = swamping the weaker ones. If there was sufficient band available on 500 to accommodate all = modes I would suggest QRP merchants use a different sub band to the QRO = STNS G3KEV =20 ------=_NextPart_000_0022_01CCE010.42934CB0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Eddie
This mode has some merit and easy to integrate = into=20 existing CW es QRSS transmitters using Class D or E amplifiers. No need = for=20 transverters or linear amps.
On a par more or less with QRSS.
I suppose the direct information read out is an = advantage=20 for some, where no morse code knowledge is necessary.
The down side would be decode or nothing whereas = QRSS=20 would produce some info in adverse propagation codx
mal/g3kev
 
----- Original Message -----
From:=20 qrss
Sent: Tuesday, January 31, 2012 = 11:38=20 AM
Subject: Re: LF: 500 = opera

OPERA (DigiMode) doing a fine job there.

Re = swamping by=20 stronger stations, I find as long as other signals are not co-channel = then=20 OPERA is amazingly robust, I can RX  and decode -25dB signals = within a=20 few Hz of my own simultaneous  transmission.

E

On=20 31/01/2012 11:06, mal hamilton wrote:=20
G3ZJO decoded and stopped at 1057 z TRACE = visible=20 during transmission. I happened to be in the shack to = observe
Antenna in use 1/4 wave inv L full size=20 500
Strong signals when active at the same time = as the=20 weaker ones  are swamping the weaker ones.
If there was sufficient band available = on 500 to=20 accommodate all modes I would suggest QRP merchants use a different = sub band=20 to the QRO STNS
 
G3KEV
  
 

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