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![]() "W5DXP" wrote in message ... Crazy George wrote: So, where are these "repeaters" you blithely cited the existence of? They existed in the 60's. That's all I can tell you. After that, I became 100% digital at Intel Corp. Doesn't the present existence of 650K of web pages involving "Power Line Carrier" count? In a word, NO. Not worth the paper they aren't written on. Next week, I am going to be doing some library research at a technical library, and I am going to scan through the issues of IRE Transactions on Power Equipment, or whatever the name was pre-IEEE, from 1950 to 1965 or so, and I'll get back to you. I already know the answer, and I think so do you. For your part, why don't you start a movement within IEEE to put their pre-1990 publications in their digital database? -- Crazy George Remove NO and SPAM from return address -- 73, Cecil http://www.qsl.net/w5dxp -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 80,000 Newsgroups - 16 Different Servers! =----- |
#2
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Crazy George wrote:
Next week, I am going to be doing some library research at a technical library, and I am going to scan through the issues of IRE Transactions on Power Equipment, or whatever the name was pre-IEEE, ... It was the American Institute of Electrical Engineers although I chose to join the Institute of Radio Engineers instead, for obvious reasons. :-) ... from 1950 to 1965 or so, and I'll get back to you. I already know the answer, and I think so do you. I assume 400 KHz Power Line Carrier is hardly anything like BPL which, I assume, is a lot broader banded than that. Power companies use Power Line Carrier equipment to control sub-stations from a central location. They don't generally use it between the sub-station and residences so it is usually not a problem for hams. But I have heard of power companies using Power Line Carrier systems to read their meters under computer control. Do you have any other specific questions? I'll try to dust off my failing memory and answer them. -- 73, Cecil http://www.qsl.net/w5dxp -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 80,000 Newsgroups - 16 Different Servers! =----- |
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