From emuller@mindspring.com Mon Jun 10 21:18:03 1996 Path: ashpoly!cascade!bigsur!mindspring!emuller From: emuller@mindspring.com (Élodie Müller) Newsgroups: comp.dsp Subject: Observation: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Jun10.211803.7487@mindspring.com> Date: Mon, 10 Jun 1996 21:18:03 GMT Organization: MindSpring Enterprises NNTP-Posting-Host: mindspring.com X-Newsreader: TIN [version 1.2 PL2] Lines: 10 Differential Binary Phase Shift Keying (DBPSK) parameter extraction results. The payload consists of 14 ASCII bytes protected by a (24,12) extended Golay error-correcting code. Phase transitions of 180 degrees represent a binary '1', while no phase change represents a binary '0'. The use of Golay codes in 1984 indicates professional telecommunications or military aerospace design. -- Élodie Müller Tape trading list upon request. SASE required for international mail. From mandersson@delphi.com Tue Jun 11 06:21:03 1996 Path: ashpoly!cascade!brgate!saturno!delphi!mandersson From: mandersson@delphi.com (Matthias Andersson) Newsgroups: comp.dsp Subject: Re: Observation: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Jun11.062103.6731@delphi.com> Date: Tue, 11 Jun 1996 06:21:03 GMT References: <1996Jun10.211803.7487@mindspring.com> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1996Jun10.211803.7487@mindspring.com>, emuller@mindspring.com (Élodie Müller) writes: > Differential Binary Phase Shift Keying (DBPSK) parameter extraction results. > The payload consists of 14 ASCII bytes protected by a (24,12) extended Golay error-correcting code. Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. My 14.4k connection dropped twice trying to fetch this thread. Keep articles concise! -- Matthias Andersson -- Delphi Internet Services "They will send a copy in my place." From psouza@panix.com Tue Jun 11 08:49:03 1996 Path: ashpoly!cascade!transat!eunet-de!hansebox!panix!psouza From: psouza@panix.com (Pavel Souza) Newsgroups: comp.dsp Subject: Re: Observation: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Jun11.084903.2629@panix.com> Date: Tue, 11 Jun 1996 08:49:03 GMT References: <1996Jun10.211803.7487@mindspring.com> <1996Jun11.062103.6731@delphi.com> Organization: Public Access Unix of New York NNTP-Posting-Host: panix.com X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1996Jun11.062103.6731@delphi.com>, mandersson@delphi.com (Matthias Andersson) writes: > Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. > My 14.4k connection dropped twice trying to fetch this thread. Keep articles concise! The Golay code confirms Marcus Hale's military background. The Voyager spacecraft and NATO satcom systems use the exact same code. -- Pavel Souza "Measuring a record you own is listening, not piracy." NeXTstation Turbo Color / AmigaOS 3.1 From edubois@pacbell.net Tue Jun 11 18:32:03 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!pacbell!edubois From: edubois@pacbell.net (Élodie Dubois) Newsgroups: comp.dsp Subject: Re: Observation: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Jun11.183203.4632@pacbell.net> Date: Tue, 11 Jun 1996 18:32:03 GMT References: <1996Jun10.211803.7487@mindspring.com> <1996Jun11.062103.6731@delphi.com> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1996Jun11.062103.6731@delphi.com>, mandersson@delphi.com (Matthias Andersson) writes: > Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. > My 14.4k connection dropped twice trying to fetch this thread. Keep articles concise! The Golay code confirms Marcus Hale's military background. The Voyager spacecraft and NATO satcom systems use the exact same code. -- Élodie Dubois Opinions expressed are solely my own and not those of Pacific Bell Internet Services. ------------------------------------------------------------