Article View: sci.electronics
Article #18727Re: Electronic Time Capsule
From: Chris Sylvain
Date: Mon, 29 Feb 1988 21:09
Date: Mon, 29 Feb 1988 21:09
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In article <3a7af473.44e6@apollo.uucp> nelson_p@apollo.uucp writes: < < ... It transmits a short message in CW with a power of a couple hundred < milliwatts. Of course, in centuries to come nobody will probably use CW < so I should change that (to what?). ... Maybe in centuries *Morse Code* won't be used any longer, but *CW* is just too useful for narrow bandwidth, slow signalling, human demodulated signals. I know phase modulation can just about pull information (signals) "out of a hat" ( S/N ratio darn near unity [or less (?)] ), but CW is simpler. Maybe you will want to use a simpler binary code? -- --==---==---==-- .. he went galumphing back. .. ARPA: cgs@umd5.UMD.EDU BITNET: cgs%umd5@umd2 UUCP: ..!uunet!umd5.umd.edu!cgs
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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!pyrdc!grebyn!umd5!cgs From: cgs@umd5.umd.edu (Chris Sylvain) Newsgroups: sci.electronics Subject: Re: Electronic Time Capsule Message-ID: <2385@umd5.umd.edu> Date: 29 Feb 88 21:09:30 GMT References: <3a7af473.44e6@apollo.uucp> Reply-To: cgs@umd5 (Chris Sylvain) Organization: University of Maryland, College Park Lines: 17