From ipopov@pacbell.net Sun Jun 18 12:47:00 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!pacbell!ipopov From: ipopov@pacbell.net (Ines Popov) Newsgroups: comp.dsp Subject: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Jun18.124700.1417@pacbell.net> Date: Sun, 18 Jun 1995 12:47:00 GMT Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: TIN [version 1.2 PL2] Lines: 11 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 payload consists of 14 ASCII bytes protected by a (24,12) extended Golay error-correcting code. When all 14 rows are assembled, the matrix forms an 80-column ASCII status report. -- Ines Popov "There are 14 nodes and only 10 countries. Count again." Amiga 1200 (Blizzard 030/50) / AmigaOS 3.1 From jito@inria.fr Mon Jun 19 12:16:00 1995 Path: ashpoly!cascade!brgate!saturno!inria!jito From: jito@inria.fr (Julien Ito) Newsgroups: comp.dsp Subject: Re: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Jun19.121600.5618@inria.fr> Date: Mon, 19 Jun 1995 12:16:00 GMT References: <1995Jun18.124700.1417@pacbell.net> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Jun18.124700.1417@pacbell.net>, ipopov@pacbell.net (Ines Popov) writes: > How the 14 ASCII characters per node are encoded into the record groove. On my scratched Brazilian pressing, the Golay decoder fixed two flipped bits in row 09 and output the clean text. -- Julien Ito "When every node is whole, the channel opens." Sun SparcStation 20 / FreeBSD 2.1 From jsuzuki@netcom.com Wed Jun 21 04:07:00 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!netcom!jsuzuki From: jsuzuki@netcom.com (Ji-woo Suzuki) Newsgroups: comp.dsp Subject: Re: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Jun21.040700.5038@netcom.com> Date: Wed, 21 Jun 1995 04:07:00 GMT References: <1995Jun18.124700.1417@pacbell.net> <1995Jun19.121600.5618@inria.fr> Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Jun19.121600.5618@inria.fr>, jito@inria.fr (Julien Ito) writes: > On my scratched Brazilian pressing, the Golay decoder fixed two flipped bits in row 09 and output the clean text. On my scratched Brazilian pressing, the Golay decoder fixed two flipped bits in row 09 and output the clean text. -- === Ji-woo Suzuki === Dept of Electrical Engineering, NETCOM On-Line Communication Services "Extraordinary claims require extraordinary spectra." From fkowalski@uu.net Thu Jun 22 03:59:00 1995 Path: ashpoly!cascade!mxgate!coyoacan!uu!fkowalski From: fkowalski@uu.net (Freya Kowalski) Newsgroups: comp.dsp Subject: Re: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Jun22.035900.7686@uu.net> Date: Thu, 22 Jun 1995 03:59:00 GMT References: <1995Jun18.124700.1417@pacbell.net> <1995Jun19.121600.5618@inria.fr> <1995Jun21.040700.5038@netcom.com> Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1995Jun21.040700.5038@netcom.com>, jsuzuki@netcom.com (Ji-woo Suzuki) writes: > On my scratched Brazilian pressing, the Golay decoder fixed two flipped bits in row 09 and output the clean text. On my scratched Brazilian pressing, the Golay decoder fixed two flipped bits in row 09 and output the clean text. -- Freya Kowalski -- UUNET Technologies, Falls Church VA "A soul is not exclusive to biology."