From eschneider@netcom.com Sun Nov 19 05:10:19 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!netcom!eschneider From: eschneider@netcom.com (Élodie Schneider) Newsgroups: comp.dsp Subject: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Nov19.051019.9112@netcom.com> Date: Sun, 19 Nov 1995 05:10:19 GMT Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: NewsWatcher 2.0b24 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. -- Élodie Schneider | eschneider@netcom.com PGP Key fingerprint: 2888 76A4 A5CE CE48 "Keep the channels open." From apopov@rwth-aachen.de Mon Nov 20 19:59:19 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!rwth-aachen!apopov From: apopov@rwth-aachen.de (Anja Popov) Newsgroups: comp.dsp Subject: Re: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Nov20.195919.1182@rwth-aachen.de> Date: Mon, 20 Nov 1995 19:59:19 GMT References: <1995Nov19.051019.9112@netcom.com> Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: Netscape 1.1N Lines: 12 In article <1995Nov19.051019.9112@netcom.com>, eschneider@netcom.com (Élodie Schneider) writes: > 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. Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- Anja Popov *PLONK* filter active for trolls. Sun 3/60 (SunOS 4.1.1) - NetBSD 1.0