Thanks very much. The problem was that I looked through only the part marked "AM Broadcast Stations" and never saw that part marked "pertaining to all broadcast stations" Sean On Sun, Sep 6, 2009 at 10:21 PM, Harold Hallikainen wrote: > In the US, AM stations are required to be within 20Hz of the assigned > carrier frequency. FM stations are required to be within 2kHz. In general, > it's about 20ppm. > > http://www.hallikainen.com/FccRules/2009/73/1545/ > > Harold > > -- > FCC Rules Updated Daily at http://www.hallikainen.com - Advertising > opportunities available! > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist