From msato@u-tokyo.ac.jp Thu Mar 02 15:29:40 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!u-tokyo!msato From: msato@u-tokyo.ac.jp (Mathieu Sato) Newsgroups: comp.dsp Subject: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Mar02.152940.1468@u-tokyo.ac.jp> Date: Thu, 02 Mar 1995 15:29:40 GMT Organization: University of Tokyo Department of Information Science NNTP-Posting-Host: u-tokyo.ac.jp 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'. Each message frame begins with an 8-bit Barker sequence [11100010] for frame synchronization. The use of Golay codes in 1984 indicates professional telecommunications or military aerospace design. -- Mathieu Sato *PLONK* filter active for trolls. Amiga 3000T - NetBSD 1.0 From msantos@pipeline.com Fri Mar 03 04:22:40 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!pipeline!msantos From: msantos@pipeline.com (Mei Santos) Newsgroups: comp.dsp Subject: Re: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Mar03.042240.6496@pipeline.com> Date: Fri, 03 Mar 1995 04:22:40 GMT References: <1995Mar02.152940.1468@u-tokyo.ac.jp> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: NewsWatcher 2.0b24 Lines: 12 In article <1995Mar02.152940.1468@u-tokyo.ac.jp>, msato@u-tokyo.ac.jp (Mathieu Sato) writes: > 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'. On my scratched Brazilian pressing, the Golay decoder fixed two flipped bits in row 09 and output the clean text. Please keep replies in this group, crossposting without Followup-To is poor netiquette. -- Mei Santos Opinions expressed are solely my own and not those of The Pipeline Internet Network. ------------------------------------------------------------ From acampbell@pipeline.com Sat Mar 04 16:23:40 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!pipeline!acampbell From: acampbell@pipeline.com (Amy Campbell) Newsgroups: comp.dsp Subject: Re: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Mar04.162340.9699@pipeline.com> Date: Sat, 04 Mar 1995 16:23:40 GMT References: <1995Mar02.152940.1468@u-tokyo.ac.jp> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: NewsWatcher 2.0b24 Lines: 12 In article <1995Mar02.152940.1468@u-tokyo.ac.jp>, msato@u-tokyo.ac.jp (Mathieu Sato) writes: > 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'. Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. Top-posters will be placed in my ~/.killfile without notice. -- Amy Campbell Practical Peripherals 14.4 @ 14,400 bps "Hardware is temporary. The signal survives." From bmoreno@illinois.edu Sun Mar 05 15:27:40 1995 Path: ashpoly!cascade!transat!ukc!fennimore!illinois!bmoreno From: bmoreno@illinois.edu (Bruno Moreno) Newsgroups: comp.dsp Subject: Re: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Mar05.152740.2832@illinois.edu> Date: Sun, 05 Mar 1995 15:27:40 GMT References: <1995Mar02.152940.1468@u-tokyo.ac.jp> <1995Mar03.042240.6496@pipeline.com> Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: Netscape 1.1N Lines: 11 In article <1995Mar03.042240.6496@pipeline.com>, msantos@pipeline.com (Mei Santos) writes: > On my scratched Brazilian pressing, the Golay decoder fixed two flipped bits in row 09 and output the clean text. > Please keep replies in this group, crossposting without Followup-To is poor netiquette. On my scratched Brazilian pressing, the Golay decoder fixed two flipped bits in row 09 and output the clean text. Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- Bruno Moreno Tape trading list upon request. SASE required for international mail. From aito@cmu.edu Tue Mar 07 09:37:40 1995 Path: ashpoly!cascade!brgate!saturno!cmu!aito From: aito@cmu.edu (Astrid Ito) Newsgroups: comp.dsp Subject: Re: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Mar07.093740.9346@cmu.edu> Date: Tue, 07 Mar 1995 09:37:40 GMT References: <1995Mar02.152940.1468@u-tokyo.ac.jp> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Mar02.152940.1468@u-tokyo.ac.jp>, msato@u-tokyo.ac.jp (Mathieu Sato) 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. -- Astrid Ito *PLONK* filter active for trolls. 486DX4/100 (FreeBSD 2.0.5) - NetBSD 1.0