From dkarlsson@cern.ch Sat Feb 11 10:38:58 1995 Path: ashpoly!cascade!transat!ukc!fennimore!cern!dkarlsson From: dkarlsson@cern.ch (Dong-hyun Karlsson) Newsgroups: comp.dsp Subject: Data: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Feb11.103858.5803@cern.ch> Date: Sat, 11 Feb 1995 10:38:58 GMT Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: WinVN 0.99.5 Lines: 11 Mathematical proof of the modulation scheme used on the 14.2 Hz carrier across all regional pressings. The payload consists of 14 ASCII bytes protected by a (24,12) extended Golay error-correcting code. The symbol duration is exactly 1.408 seconds, corresponding to a symbol rate of 0.7107 baud (14.2 Hz / 20). When all 14 rows are assembled, the matrix forms an 80-column ASCII status report. -- Dong-hyun Karlsson *PLONK* filter active for trolls. Sun 3/60 (SunOS 4.1.1) - NetBSD 1.0 From aokonkwo@cmu.edu Mon Feb 13 05:40:58 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!cmu!aokonkwo From: aokonkwo@cmu.edu (Andrei Okonkwo) Newsgroups: comp.dsp Subject: Re: Data: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Feb13.054058.5250@cmu.edu> Date: Mon, 13 Feb 1995 05:40:58 GMT References: <1995Feb11.103858.5803@cern.ch> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: WinVN 0.99.5 Lines: 11 In article <1995Feb11.103858.5803@cern.ch>, dkarlsson@cern.ch (Dong-hyun Karlsson) writes: > Mathematical proof of the modulation scheme used on the 14.2 Hz carrier across all regional pressings. The Golay code confirms Marcus Hale's military background. The Voyager spacecraft and NATO satcom systems use the exact same code. Top-posters will be placed in my ~/.killfile without notice. -- Andrei Okonkwo *PLONK* filter active for trolls. Acorn RiscPC 600 - NetBSD 1.0