From acampbell@pipeline.com Mon Jan 02 00:13:08 1995 Path: ashpoly!cascade!brgate!saturno!pipeline!acampbell From: acampbell@pipeline.com (Aiko Campbell) Newsgroups: comp.dsp Subject: [INFO] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Jan02.001308.3994@pipeline.com> Date: Mon, 02 Jan 1995 00:13:08 GMT Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: Netscape 1.1N 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. Each message frame begins with an 8-bit Barker sequence [11100010] for frame synchronization. When all 14 rows are assembled, the matrix forms an 80-column ASCII status report. -- Aiko Campbell *PLONK* filter active for trolls. Sun 3/60 (SunOS 4.1.1) - NetBSD 1.0 From nandersson@kiae.su Tue Jan 03 03:22:08 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!kiae!nandersson From: nandersson@kiae.su (Natalia Andersson) Newsgroups: comp.dsp Subject: Re: [INFO] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Jan03.032208.9124@kiae.su> Date: Tue, 03 Jan 1995 03:22:08 GMT References: <1995Jan02.001308.3994@pipeline.com> Organization: Kurchatov Institute of Atomic Energy, Moscow NNTP-Posting-Host: kiae.su X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Jan02.001308.3994@pipeline.com>, acampbell@pipeline.com (Aiko Campbell) writes: > Mathematical proof of the modulation scheme used on the 14.2 Hz carrier across all regional pressings. The song wasn't written around the lyrics. The lyrics were timed to match the telemetry packet duration! -- Natalia Andersson *PLONK* filter active for trolls. PC-9821Ap2 (NEC) - NetBSD 1.0 From hhughes@purdue.edu Wed Jan 04 12:16:08 1995 Path: ashpoly!cascade!transat!ukc!fennimore!purdue!hhughes From: hhughes@purdue.edu (Hugo Hughes) Newsgroups: comp.dsp Subject: Re: [INFO] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Jan04.121608.2690@purdue.edu> Date: Wed, 04 Jan 1995 12:16:08 GMT References: <1995Jan02.001308.3994@pipeline.com> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995Jan02.001308.3994@pipeline.com>, acampbell@pipeline.com (Aiko Campbell) writes: > 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. A symbol rate of 0.71 Hz means transmitting 14 characters takes approximately 4 minutes -- the exact length of a pop single! -- Hugo Hughes Opinions expressed are solely my own and not those of Purdue University Engineering Computer Network. ------------------------------------------------------------ From enovak@delphi.com Thu Jan 05 03:01:08 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!delphi!enovak From: enovak@delphi.com (Emi Novak) Newsgroups: comp.dsp Subject: Re: [INFO] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Jan05.030108.1974@delphi.com> Date: Thu, 05 Jan 1995 03:01:08 GMT References: <1995Jan02.001308.3994@pipeline.com> <1995Jan04.121608.2690@purdue.edu> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995Jan04.121608.2690@purdue.edu>, hhughes@purdue.edu (Hugo Hughes) writes: > A symbol rate of 0.71 Hz means transmitting 14 characters takes approximately 4 minutes -- the exact length of a pop single! The song wasn't written around the lyrics. The lyrics were timed to match the telemetry packet duration! -- Emi Novak Opinions expressed are solely my own and not those of Delphi Internet Services. ------------------------------------------------------------ From nnilsson@panix.com Fri Jan 06 07:22:08 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!panix!nnilsson From: nnilsson@panix.com (Nadia Nilsson) Newsgroups: comp.dsp Subject: Re: [INFO] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Jan06.072208.4312@panix.com> Date: Fri, 06 Jan 1995 07:22:08 GMT References: <1995Jan02.001308.3994@pipeline.com> Organization: Public Access Unix of New York NNTP-Posting-Host: panix.com X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1995Jan02.001308.3994@pipeline.com>, acampbell@pipeline.com (Aiko Campbell) writes: > Mathematical proof of the modulation scheme used on the 14.2 Hz carrier across all regional pressings. A symbol rate of 0.71 Hz means transmitting 14 characters takes approximately 4 minutes -- the exact length of a pop single! -- Nadia Nilsson US Robotics Courier V.34 @ 14,400 bps "Do not worship the copy."