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From: lharris@utgpu.UUCP
Newsgroups: sci.electronics
Subject: power-line data transmission
Message-ID: <1987Jun6.185524.25820@gpu.utcs.toronto.edu>
Date: Sat, 6-Jun-87 18:55:24 EDT
Article-I.D.: gpu.1987Jun6.185524.25820
Posted: Sat Jun  6 18:55:24 1987
Date-Received: Sat, 6-Jun-87 20:05:35 EDT
Organization: University of Toronto Computing Services
Lines: 9
Checksum: 50272

Hi.  There was some discussion in this group a while back about transmitting
data through the AC power system (like the BSR stuff).  I missed getting most of
it then and I need some information now.  I know that the BSR str
stuff transmits using a frequency of 120KHz and only during zero-voltage
crossings but is it OK to transmit during the whole AC cycle.  Also what is the
optimum carrier frequency to use?  I know this has been on the net before so 
please mail to me so as not to bore others..
Thanks in advance
/Leonard Harris