A method of encoding stock market data and transmitting such data via radio to a plurality of one-way receivers via an SCA channel on a commercial FM station transmits both a cyclical repetitive loop of all the stocks listed on a particular exchange including parameters of their open, high, low and last...http://www.google.com/patents/US5045848?utm_source=gb-gplus-sharePatent US5045848 - Method of encoding market data and transmitting by radio to a plurality of receivers
