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[195.171.43.25]) by mx.google.com with ESMTP id s46si11537489eeg.36.2014.03.06.11.04.13 for ; Thu, 06 Mar 2014 11:04:14 -0800 (PST) Received-SPF: neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) client-ip=195.171.43.25; Authentication-Results: mx.google.com; spf=neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) smtp.mail=owner-rsgb_lf_group@blacksheep.org Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1WLdYo-0001BP-7w for rs_out_1@blacksheep.org; Thu, 06 Mar 2014 19:02:26 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1WLdYn-0001BG-O2 for rsgb_lf_group@blacksheep.org; Thu, 06 Mar 2014 19:02:25 +0000 Received: from blu0-omc1-s6.blu0.hotmail.com ([65.55.116.17]) by relay1.thorcom.net with esmtp (Exim 4.82) (envelope-from ) id 1WLdYl-0004yM-Nz for rsgb_lf_group@blacksheep.org; Thu, 06 Mar 2014 19:02:24 +0000 Received: from BLU180-W57 ([65.55.116.7]) by blu0-omc1-s6.blu0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Thu, 6 Mar 2014 11:02:21 -0800 X-TMN: [xi2AYZFlRatkNXdgwKeoj1B6h5ONvCCt] X-Originating-Email: [rjraide@hotmail.com] Message-ID: From: Bob Raide To: "rsgb_lf_group@blacksheep.org" Date: Thu, 6 Mar 2014 14:02:20 -0500 Importance: Normal In-Reply-To: <531866F6.7050207@tele2.se> References: <5316EA0B.4020001@abelian.org> <004001cf3870$27cb9620$6401a8c0@JAYDELL> <53173FCD.9010808@abelian.org> <5317A9C5.2050303@tele2.se> <5317B98D.3070205@abelian.org>,<531866F6.7050207@tele2.se> MIME-Version: 1.0 X-OriginalArrivalTime: 06 Mar 2014 19:02:21.0483 (UTC) FILETIME=[9A4B0FB0:01CF396E] 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: Johan; CW very clear using "ear buds" sure is solid-Bob > Date: Thu, 6 Mar 2014 13:15:50 +0100 > From: jhbodin@tele2.se > To: rsgb_lf_group@blacksheep.org > Subject: Re: LF: Re: VLF 29501, signal? > > May thanks for the files Paul! > > Paul Nicholson wrote: > > Well that 24dB is a 5 hour integration in 55uHz. It > > makes a big sharp line on the spectrum though. At > > VLF that counts as 'armchair'. > > Yes. It will never become a popular "realtime chat mode" of course... > > > > No problem. 5 hours compressed into 22.5 seconds > > and frequency shifted so that 29499 Hz is moved > > to 400 Hz. wav format 32k samples/sec mono 1.4 Mbyte > > > > http://67.207.143.181/wh2xba1_140303a.wav > > > > How good is your 'CW ear' I wonder? > > Not exactly armchair copy but by looping the file a couple of times for > "mental integration" I got XBA XBA XBA without any doubt. Yes, the > second file wh2xba1_140303b.wav was slightly easier to read due to the > higher CW speed. Thank you for the music Bob! > > An MFSK system with integrate-and-dump detectors synchronized to the TX > should be capable of conveying quite a number of bits per hour. The low > speed would allow many tones in a small BW. Some tones could even be > reserved for commonly used words or sentences like "It is not raining in > Tokyo also" :-) > > 73 > Johan > [...] 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 [65.55.116.17 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (rjraide[at]hotmail.com) -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -0.0 SPF_PASS SPF: sender matches SPF record 0.0 NORMAL_HTTP_TO_IP URI: Uses a dotted-decimal IP address in URL 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: ebba021850e0a5d4120636e52401e975 Content-Type: multipart/alternative; boundary="_0d797a4c-08a8-4a9f-b414-759d3f3d9c1b_" Subject: RE: LF: Re: VLF 29501, signal? X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.2 required=5.0 tests=FORGED_HOTMAIL_RCVD, HTML_MESSAGE,NORMAL_HTTP_TO_IP,TO_ADDRESS_EQ_REAL 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 --_0d797a4c-08a8-4a9f-b414-759d3f3d9c1b_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Johan=3B CW very clear using "ear buds" sure is solid-Bob =20 > Date: Thu=2C 6 Mar 2014 13:15:50 +0100 > From: jhbodin@tele2.se > To: rsgb_lf_group@blacksheep.org > Subject: Re: LF: Re: VLF 29501=2C signal? >=20 > May thanks for the files Paul! >=20 > Paul Nicholson wrote: > > Well that 24dB is a 5 hour integration in 55uHz. It > > makes a big sharp line on the spectrum though. At > > VLF that counts as 'armchair'. >=20 > Yes. It will never become a popular "realtime chat mode" of course... >=20 >=20 > > No problem. 5 hours compressed into 22.5 seconds > > and frequency shifted so that 29499 Hz is moved > > to 400 Hz. wav format 32k samples/sec mono 1.4 Mbyte > >=20 > > http://67.207.143.181/wh2xba1_140303a.wav > >=20 > > How good is your 'CW ear' I wonder? >=20 > Not exactly armchair copy but by looping the file a couple of times for > "mental integration" I got XBA XBA XBA without any doubt. Yes=2C the > second file wh2xba1_140303b.wav was slightly easier to read due to the > higher CW speed. Thank you for the music Bob! >=20 > An MFSK system with integrate-and-dump detectors synchronized to the TX > should be capable of conveying quite a number of bits per hour. The low > speed would allow many tones in a small BW. Some tones could even be > reserved for commonly used words or sentences like "It is not raining in > Tokyo also" :-) >=20 > 73 > Johan >=20 = --_0d797a4c-08a8-4a9f-b414-759d3f3d9c1b_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Johan=3B
CW very clear using = "ear buds" sure is solid-Bob
 =3B
>=3B Date: Thu=2C 6 Mar = 2014 13:15:50 +0100
>=3B From: jhbodin@tele2.se
>=3B To: rsgb_lf_= group@blacksheep.org
>=3B Subject: Re: LF: Re: VLF 29501=2C signal?>=3B
>=3B May thanks for the files Paul!
>=3B
>=3B Paul= Nicholson wrote:
>=3B >=3B Well that 24dB is a 5 hour integration i= n 55uHz. It
>=3B >=3B makes a big sharp line on the spectrum though= . At
>=3B >=3B VLF that counts as 'armchair'.
>=3B
>=3B = Yes. It will never become a popular "realtime chat mode" of course...
&g= t=3B
>=3B
>=3B >=3B No problem. 5 hours compressed into 22.5= seconds
>=3B >=3B and frequency shifted so that 29499 Hz is moved>=3B >=3B to 400 Hz. wav format 32k samples/sec mono 1.4 Mbyte
&g= t=3B >=3B
>=3B >=3B http://67.207.143.181/wh2xba1_140303a.wav>=3B >=3B
>=3B >=3B How good is your 'CW ear' I wonder?
>= =3B
>=3B Not exactly armchair copy but by looping the file a couple o= f times for
>=3B "mental integration" I got XBA XBA XBA without any do= ubt. Yes=2C the
>=3B second file wh2xba1_140303b.wav was slightly easi= er to read due to the
>=3B higher CW speed. Thank you for the music Bo= b!
>=3B
>=3B An MFSK system with integrate-and-dump detectors sy= nchronized to the TX
>=3B should be capable of conveying quite a numbe= r of bits per hour. The low
>=3B speed would allow many tones in a sma= ll BW. Some tones could even be
>=3B reserved for commonly used words = or sentences like "It is not raining in
>=3B Tokyo also" :-)
>=3B=
>=3B 73
>=3B Johan
>=3B
= --_0d797a4c-08a8-4a9f-b414-759d3f3d9c1b_--