Return-Path: X-Spam-DCC: paranoid 1233; Body=3 Fuz1=3 Fuz2=3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_MESSAGE,NO_REAL_NAME autolearn=no 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 u11Lvtkr001932 for ; Mon, 1 Feb 2016 22:57:55 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1aQMQT-0004BF-FY for rs_out_1@blacksheep.org; Mon, 01 Feb 2016 21:54:25 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1aQMQT-0004B1-4w for rsgb_lf_group@blacksheep.org; Mon, 01 Feb 2016 21:54:25 +0000 Received: from omr-a019e.mx.aol.com ([204.29.186.67]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.86) (envelope-from ) id 1aQMPP-0006Kk-50 for rsgb_lf_group@blacksheep.org; Mon, 01 Feb 2016 21:54:24 +0000 Received: from mtaout-aab02.mx.aol.com (mtaout-aab02.mx.aol.com [172.26.126.206]) by omr-a019e.mx.aol.com (Outbound Mail Relay) with ESMTP id 49F8C380009A for ; Mon, 1 Feb 2016 16:53:02 -0500 (EST) Received: from [IPv6:::ffff:192.168.0.14] (ipbcc05f3c.dynamic.kabel-deutschland.de [188.192.95.60]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mtaout-aab02.mx.aol.com (MUA/Third Party Client Interface) with ESMTPSA id A3C66380000B7 for ; Mon, 1 Feb 2016 16:53:00 -0500 (EST) MIME-Version: 1.0 To: "rsgb_lf_group@blacksheep.org" From: Date: Mon, 1 Feb 2016 22:53:00 +0100 Importance: normal X-Priority: 3 In-Reply-To: References: <8D32AF2CED30655-14C8-175C9C@webmail-vd002.sysops.aol.com> x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1454363582; bh=L/oXyubCF4N/PpUr8ODYZvKs7uPzpDzVH332qW0/oAk=; h=From:To:Subject:Date:MIME-Version:Content-Type; b=1S8tMG8kIxkNQbr+rewqY4sdzz36A/Zj/FJXa2CgX1/HeD/Ps8udhBHYbWXR78jse 8ZfUwAkxFbUHGLPGZyTIPdIG4Skb14bHQjxEJNAtvTnEtYczMUAbHNWOS9f4a3JJwY w+H02PPDCm/a7fMWYLfftj3xYl+6KC7nRi/3oEKI= x-aol-sid: 3039ac1a7ece56afd3bc7535 X-AOL-IP: 188.192.95.60 X-Scan-Signature: b4085bc26841e34d79a2f3beb8f287b1 Message-Id: Subject: AW: LF: Ebnaut 477.7 kHz Content-Type: multipart/alternative; boundary="_A8E428F1-2129-49B0-99D4-F6BEFD0BE6AF_" 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: 6622 --_A8E428F1-2129-49B0-99D4-F6BEFD0BE6AF_ Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Joe wrote: > 75 chars [4]K19A 1936 symbols 387.2 seconds 10 watts continuous carrier u= nless the FET fries! =E2=80=A6 yes Joe, 10 chars and 75 watts might have done it (just ;-)=20 Suggestion: 8K19A, 10 characters, 1 second symbols, 752 seconds total. If p= ossible, try to use above 100 W as some margin for QSB will probably be nee= ded.=20 Listening now=E2=80=A6 Best 73, Markus Von: jcraig@mun.ca Gesendet: Montag, 1. Februar 2016 22:28 An: rsgb_lf_group@blacksheep.org Betreff: Re: LF: Ebnaut 477.7 kHz Thanks Markus and Roelof for the reports. I'm guessing a slower bit rate and more power might help. Please feel free to make a suggestion and we'll try again tonight. 73 Joe VO1NA On Mon, 1 Feb 2016, Markus Vester wrote: Got some pieces of carrier in the spectrogram, up to about 10 dB SNR in 1 m= Hz. Considering the carrier duty cycle (8.5 out of 15 minutes), that would = have been about +15 dB in a mHz for a pure carrier, or -15 dB EbN0 at=C2=A0= 1.1 bit/s net data rate - no chance for a decode here. =C2=A0 Best 73, Markus=C2=A0 (DF6NM) --_A8E428F1-2129-49B0-99D4-F6BEFD0BE6AF_ Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="utf-8"

Joe wrote:

> 75 chars [4]K19A 1936 symbols 387.2 seconds 10 watts continuou= s carrier unless the FET fries!

&nb= sp;

=E2=80=A6 yes Joe, 10 chars and 75 watts = might have done it (just ;-)

 

=

Suggestion: 8K19A, 10 characters, 1 second symbols, 75= 2 seconds total. If possible, try to use above 100 W as some margin for QSB= will probably be needed.

 

Listening now=E2=80=A6

 = ;

Best 73,

Markus

=

 


Von: jcraig@mun.ca
Gesendet: Montag, 1. Februar 2016 22:= 28
An: rsgb_lf_gr= oup@blacksheep.org
Betreff: Re: LF: Ebnaut 477.7 kHz

 

Thanks Mar= kus and Roelof for the reports.

 

I'm guessing a slower bit rate and more power might = help.

Please feel free to make a suggestion and we'= ll try again

tonight.

=  

73

Joe VO1NA

 

On Mon, 1 = Feb 2016, Markus Vester wrote:

 

Got some pieces of carrier in the spectrogram, up to = about 10 dB SNR in 1 mHz. Considering the carrier duty cycle (8.5 out of 15= minutes), that would have been about +15 dB in a mHz for a pure carrier, o= r -15 dB EbN0 at 1.1 bit/s net data rate - no chance for a decode here= .

 

Best 73,

Markus  (DF6NM)

 

 

= --_A8E428F1-2129-49B0-99D4-F6BEFD0BE6AF_--