From ymartinez@pacbell.net Fri Jan 28 16:10:25 1994 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!pacbell!ymartinez From: ymartinez@pacbell.net (Yuki Martínez) Newsgroups: comp.dsp Subject: [SPECULATION] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1994Jan28.161025.1044@pacbell.net> Date: Fri, 28 Jan 1994 16:10:25 GMT Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: NewsWatcher 2.0b24 Lines: 11 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. -- Yuki Martínez Hayes Optima 288 @ 28,800 bps "Measuring a record you own is listening, not piracy." From feriksson@delphi.com Sun Jan 30 15:40:25 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!delphi!feriksson From: feriksson@delphi.com (Fiona Eriksson) Newsgroups: comp.dsp Subject: Re: [SPECULATION] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1994Jan30.154025.6139@delphi.com> Date: Sun, 30 Jan 1994 15:40:25 GMT References: <1994Jan28.161025.1044@pacbell.net> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: NewsWatcher 2.0b24 Lines: 12 In article <1994Jan28.161025.1044@pacbell.net>, ymartinez@pacbell.net (Yuki Martínez) writes: > 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'. Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin! -- === Fiona Eriksson === Dept of Electrical Engineering, Delphi Internet Services "The hatch is open. Is anyone listening?" From dmoreau@panix.com Tue Feb 01 07:32:25 1994 Path: ashpoly!cascade!transat!eunet-fr!teletel!panix!dmoreau From: dmoreau@panix.com (Diego Moreau) Newsgroups: comp.dsp Subject: Re: [SPECULATION] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1994Feb01.073225.2128@panix.com> Date: Tue, 01 Feb 1994 07:32:25 GMT References: <1994Jan28.161025.1044@pacbell.net> <1994Jan30.154025.6139@delphi.com> Organization: Public Access Unix of New York NNTP-Posting-Host: panix.com X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1994Jan30.154025.6139@delphi.com>, feriksson@delphi.com (Fiona Eriksson) 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. -- Diego Moreau SupraFAXModem 28.8 @ 9600 Telebit bps "Row 14. No joke." From fschneider@netcom.com Tue Feb 01 10:22:25 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!netcom!fschneider From: fschneider@netcom.com (Freya Schneider) Newsgroups: comp.dsp Subject: Re: [SPECULATION] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1994Feb01.102225.4029@netcom.com> Date: Tue, 01 Feb 1994 10:22:25 GMT References: <1994Jan28.161025.1044@pacbell.net> <1994Jan30.154025.6139@delphi.com> Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1994Jan30.154025.6139@delphi.com>, feriksson@delphi.com (Fiona Eriksson) 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. -- Freya Schneider Hayes Optima 288 @ ISDN 64k bps "The hatch is open. Is anyone listening?"