In the example, the subscriber station of FIG 1 is in New York City and is tuned to the conventional broadcast television transmission frequency of {TAIL ~ channel} 13 at 8:30 PM on a Friday evening when the broadcast station of said frequency, WNET, commences transmitting {HEAD ~ a television program} about stock market investing, “Wall Street Week.” 
In the example , the subscriber station of FIG 1 is in New York City and is tuned to the conventional broadcast television transmission frequency of { TAIL ~ channel } 13 at 8:30 PM on a Friday evening when the broadcast station of said frequency , WNET , commences transmitting { HEAD ~ a television program } about stock market investing , “ Wall Street Week . ”
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