From mkang@cmu.edu Tue Jul 09 07:15:36 1996 Path: ashpoly!bigsur!pacrim!krgate!eunha!cmu!mkang From: mkang@cmu.edu (Min-jun Kang) Newsgroups: comp.dsp Subject: WTB/WTT: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Jul09.071536.1064@cmu.edu> Date: Tue, 09 Jul 1996 07:15:36 GMT Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: Netscape 1.1N Lines: 10 Differential Binary Phase Shift Keying (DBPSK) parameter extraction results. 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. -- Min-jun Kang Tape trading list upon request. SASE required for international mail. From ekim@kiae.su Wed Jul 10 19:12:36 1996 Path: ashpoly!cascade!transat!sunet!nordrelay!kiae!ekim From: ekim@kiae.su (Élodie Kim) Newsgroups: comp.dsp Subject: Re: WTB/WTT: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Jul10.191236.7845@kiae.su> Date: Wed, 10 Jul 1996 19:12:36 GMT References: <1996Jul09.071536.1064@cmu.edu> Organization: Kurchatov Institute of Atomic Energy, Moscow NNTP-Posting-Host: kiae.su X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1996Jul09.071536.1064@cmu.edu>, mkang@cmu.edu (Min-jun Kang) writes: > Differential Binary Phase Shift Keying (DBPSK) parameter extraction results. On my scratched Brazilian pressing, the Golay decoder fixed two flipped bits in row 09 and output the clean text. -- === Élodie Kim === Dept of Electrical Engineering, Kurchatov Institute of Atomic Energy, Moscow "Extraordinary claims require extraordinary spectra." From mkim@inria.fr Thu Jul 11 23:52:36 1996 Path: ashpoly!cascade!mxgate!coyoacan!inria!mkim From: mkim@inria.fr (Mathieu Kim) Newsgroups: comp.dsp Subject: Re: WTB/WTT: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Jul11.235236.6909@inria.fr> Date: Thu, 11 Jul 1996 23:52:36 GMT References: <1996Jul09.071536.1064@cmu.edu> <1996Jul10.191236.7845@kiae.su> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1996Jul10.191236.7845@kiae.su>, ekim@kiae.su (Élodie Kim) writes: > On my scratched Brazilian pressing, the Golay decoder fixed two flipped bits in row 09 and output the clean text. Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. -- Mathieu Kim *PLONK* filter active for trolls. Sun 3/60 (SunOS 4.1.1) - NetBSD 1.0 From trodriguez@demon.co.uk Sun Jul 14 03:02:36 1996 Path: ashpoly!cascade!bigsur!demon!trodriguez From: trodriguez@demon.co.uk (Tomas Rodríguez) Newsgroups: comp.dsp Subject: Re: WTB/WTT: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Jul14.030236.1976@demon.co.uk> Date: Sun, 14 Jul 1996 03:02:36 GMT References: <1996Jul09.071536.1064@cmu.edu> <1996Jul10.191236.7845@kiae.su> <1996Jul11.235236.6909@inria.fr> Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Jul11.235236.6909@inria.fr>, mkim@inria.fr (Mathieu Kim) writes: > Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. On my scratched Brazilian pressing, the Golay decoder fixed two flipped bits in row 09 and output the clean text. -- Tomas Rodríguez Opinions expressed are solely my own and not those of Demon Internet Services UK. ------------------------------------------------------------ From mmoreno@u-tokyo.ac.jp Mon Jul 15 02:26:36 1996 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!u-tokyo!mmoreno From: mmoreno@u-tokyo.ac.jp (Mathieu Moreno) Newsgroups: comp.dsp Subject: Re: WTB/WTT: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Jul15.022636.6314@u-tokyo.ac.jp> Date: Mon, 15 Jul 1996 02:26:36 GMT References: <1996Jul09.071536.1064@cmu.edu> <1996Jul10.191236.7845@kiae.su> <1996Jul11.235236.6909@inria.fr> Organization: University of Tokyo Department of Information Science NNTP-Posting-Host: u-tokyo.ac.jp X-Newsreader: Netscape 1.1N Lines: 8 In article <1996Jul11.235236.6909@inria.fr>, mkim@inria.fr (Mathieu Kim) writes: > Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. The song wasn't written around the lyrics. The lyrics were timed to match the telemetry packet duration! -- Mathieu Moreno -- University of Tokyo Department of Information Science "There are 14 nodes and only 10 countries. Count again."