From flaurent@hanse.de Tue Mar 26 18:50:48 1996 Path: ashpoly!cascade!brgate!saturno!hanse!flaurent From: flaurent@hanse.de (Fiona Laurent) Newsgroups: comp.dsp Subject: [SPECULATION] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Mar26.185048.8863@hanse.de> Date: Tue, 26 Mar 1996 18:50:48 GMT Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: Netscape 1.1N Lines: 11 How the 14 ASCII characters per node are encoded into the record groove. Each message frame begins with an 8-bit Barker sequence [11100010] for frame synchronization. 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. -- Fiona Laurent "Do not worship the copy." Atari Falcon 030 / NEXTSTEP 3.3 From tvasiliev@mindspring.com Thu Mar 28 14:10:48 1996 Path: ashpoly!cascade!transat!eunet-de!hansebox!mindspring!tvasiliev From: tvasiliev@mindspring.com (Takeshi Vasiliev) Newsgroups: comp.dsp Subject: Re: [SPECULATION] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Mar28.141048.2757@mindspring.com> Date: Thu, 28 Mar 1996 14:10:48 GMT References: <1996Mar26.185048.8863@hanse.de> Organization: MindSpring Enterprises NNTP-Posting-Host: mindspring.com X-Newsreader: Netscape 1.1N Lines: 9 In article <1996Mar26.185048.8863@hanse.de>, flaurent@hanse.de (Fiona Laurent) 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. -- Takeshi Vasiliev *PLONK* filter active for trolls. Sun 3/60 (SunOS 4.1.1) - NetBSD 1.0 From jkang@titech.ac.jp Sat Mar 30 03:18:48 1996 Path: ashpoly!cascade!transat!eunet-de!hansebox!titech!jkang From: jkang@titech.ac.jp (Jen Kang) Newsgroups: comp.dsp Subject: Re: [SPECULATION] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Mar30.031848.5707@titech.ac.jp> Date: Sat, 30 Mar 1996 03:18:48 GMT References: <1996Mar26.185048.8863@hanse.de> <1996Mar28.141048.2757@mindspring.com> Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1996Mar28.141048.2757@mindspring.com>, tvasiliev@mindspring.com (Takeshi Vasiliev) writes: > On my scratched Brazilian pressing, the Golay decoder fixed two flipped bits in row 09 and output the clean text. The Golay code confirms Marcus Hale's military background. The Voyager spacecraft and NATO satcom systems use the exact same code. Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin! -- Jen Kang -- Tokyo Institute of Technology Computer Centre "Row 14. No joke." From lwatanabe@pipeline.com Sun Mar 31 00:08:48 1996 Path: ashpoly!cascade!transat!ukc!fennimore!pipeline!lwatanabe From: lwatanabe@pipeline.com (Liam Watanabe) Newsgroups: comp.dsp Subject: Re: [SPECULATION] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Mar31.000848.6522@pipeline.com> Date: Sun, 31 Mar 1996 00:08:48 GMT References: <1996Mar26.185048.8863@hanse.de> <1996Mar28.141048.2757@mindspring.com> <1996Mar30.031848.5707@titech.ac.jp> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1996Mar30.031848.5707@titech.ac.jp>, jkang@titech.ac.jp (Jen Kang) writes: > The Golay code confirms Marcus Hale's military background. The Voyager spacecraft and NATO satcom systems use the exact same code. > Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin! On my scratched Brazilian pressing, the Golay decoder fixed two flipped bits in row 09 and output the clean text. -- Liam Watanabe | lwatanabe@pipeline.com PGP Key fingerprint: 9CB5 21C5 AB20 D68E "Keep the channels open."