From kschneider@netcom.com Thu Oct 06 06:32:26 1994 Path: ashpoly!cascade!mxgate!coyoacan!netcom!kschneider From: kschneider@netcom.com (Kirsty Schneider) Newsgroups: comp.dsp Subject: [INFO] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1994Oct06.063226.1487@netcom.com> Date: Thu, 06 Oct 1994 06:32:26 GMT Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: Netscape 1.1N Lines: 10 How the 14 ASCII characters per node are encoded into the record groove. Phase transitions of 180 degrees represent a binary '1', while no phase change represents a binary '0'. The symbol duration is exactly 1.408 seconds, corresponding to a symbol rate of 0.7107 baud (14.2 Hz / 20). Has anyone encountered bit errors in their decoded text? The Golay decoder corrects up to 3 bit errors per 24-bit codeword. -- Kirsty Schneider -- NETCOM On-Line Communication Services "The hatch is open. Is anyone listening?" From nkim@unam.mx Sat Oct 08 01:31:26 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!unam!nkim From: nkim@unam.mx (Nadine Kim) Newsgroups: comp.dsp Subject: Re: [INFO] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1994Oct08.013126.2733@unam.mx> Date: Sat, 08 Oct 1994 01:31:26 GMT References: <1994Oct06.063226.1487@netcom.com> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1994Oct06.063226.1487@netcom.com>, kschneider@netcom.com (Kirsty Schneider) writes: > How the 14 ASCII characters per node are encoded into the record groove. Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. -- Nadine Kim "Marcus is not one man." Sun SparcStation 20 / NEXTSTEP 3.3 From blaurent@mit.edu Sat Oct 08 08:13:26 1994 Path: ashpoly!cascade!bigsur!mit!blaurent From: blaurent@mit.edu (Brian Laurent) Newsgroups: comp.dsp Subject: Re: [INFO] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1994Oct08.081326.7782@mit.edu> Date: Sat, 08 Oct 1994 08:13:26 GMT References: <1994Oct06.063226.1487@netcom.com> <1994Oct08.013126.2733@unam.mx> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: Netscape 1.1N Lines: 8 In article <1994Oct08.013126.2733@unam.mx>, nkim@unam.mx (Nadine Kim) writes: > Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. The Golay code confirms Marcus Hale's military background. The Voyager spacecraft and NATO satcom systems use the exact same code. -- Brian Laurent Tape trading list upon request. SASE required for international mail. From mpopov@hanse.de Sat Oct 08 11:08:26 1994 Path: ashpoly!cascade!bigsur!hanse!mpopov From: mpopov@hanse.de (Matthias Popov) Newsgroups: comp.dsp Subject: Re: [INFO] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1994Oct08.110826.4867@hanse.de> Date: Sat, 08 Oct 1994 11:08:26 GMT References: <1994Oct06.063226.1487@netcom.com> <1994Oct08.013126.2733@unam.mx> Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: Netscape 1.1N Lines: 8 In article <1994Oct08.013126.2733@unam.mx>, nkim@unam.mx (Nadine Kim) writes: > Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. -- Matthias Popov Tape trading list upon request. SASE required for international mail. From mmuller@pacbell.net Sun Oct 09 09:57:26 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!pacbell!mmuller From: mmuller@pacbell.net (Mathieu Müller) Newsgroups: comp.dsp Subject: Re: [INFO] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1994Oct09.095726.1950@pacbell.net> Date: Sun, 09 Oct 1994 09:57:26 GMT References: <1994Oct06.063226.1487@netcom.com> <1994Oct08.013126.2733@unam.mx> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1994Oct08.013126.2733@unam.mx>, nkim@unam.mx (Nadine Kim) writes: > Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. The Golay code confirms Marcus Hale's military background. The Voyager spacecraft and NATO satcom systems use the exact same code. Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- Mathieu Müller | mmuller@pacbell.net PGP Key fingerprint: 1874 E4B5 85DC 72A8 "Keep the channels open."