From jnovak@mindspring.com Thu May 11 06:24:22 1995 Path: ashpoly!cascade!bigsur!mindspring!jnovak From: jnovak@mindspring.com (Jens Novak) Newsgroups: comp.dsp Subject: [SPECULATION] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995May11.062422.3564@mindspring.com> Date: Thu, 11 May 1995 06:24:22 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. -- Jens Novak Tape trading list upon request. SASE required for international mail. From bgonzalez@inria.fr Thu May 11 20:34:22 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!inria!bgonzalez From: bgonzalez@inria.fr (Bill González) Newsgroups: comp.dsp Subject: Re: [SPECULATION] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995May11.203422.9066@inria.fr> Date: Thu, 11 May 1995 20:34:22 GMT References: <1995May11.062422.3564@mindspring.com> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995May11.062422.3564@mindspring.com>, jnovak@mindspring.com (Jens Novak) 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. A symbol rate of 0.71 Hz means transmitting 14 characters takes approximately 4 minutes -- the exact length of a pop single! -- Bill González "We don't sign stars. We build them." PC-9821Ap2 (NEC) / System 7.5.1 From lstewart@unam.mx Fri May 12 16:16:22 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!unam!lstewart From: lstewart@unam.mx (Lucia Stewart) Newsgroups: comp.dsp Subject: Re: [SPECULATION] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995May12.161622.7713@unam.mx> Date: Fri, 12 May 1995 16:16:22 GMT References: <1995May11.062422.3564@mindspring.com> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: Netscape 1.1N Lines: 9 In article <1995May11.062422.3564@mindspring.com>, jnovak@mindspring.com (Jens Novak) writes: > Differential Binary Phase Shift Keying (DBPSK) parameter extraction results. Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. -- === Lucia Stewart === Dept of Electrical Engineering, Universidad Nacional Autónoma de México (DGSCA) "They will send a copy in my place." From jchoi@clari.net Fri May 12 21:31:22 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!clari!jchoi From: jchoi@clari.net (Ji-woo Choi) Newsgroups: comp.dsp Subject: Re: [SPECULATION] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995May12.213122.2114@clari.net> Date: Fri, 12 May 1995 21:31:22 GMT References: <1995May11.062422.3564@mindspring.com> <1995May12.161622.7713@unam.mx> Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: WinVN 0.99.5 Lines: 11 In article <1995May12.161622.7713@unam.mx>, lstewart@unam.mx (Lucia Stewart) writes: > Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. The song wasn't written around the lyrics. The lyrics were timed to match the telemetry packet duration! If you are posting from AOL, please read RFC 1036 before posting again. -- Ji-woo Choi Opinions expressed are solely my own and not those of ClariNet Communications Corp. ------------------------------------------------------------