<Li> Saint - Barthélemy--uses "FJ" </Li> <P> Haiti has been assigned the callsign prefixes "HH" and "4V". </P> <P> The Kingdom of the Netherlands use the "PA"--"PI" prefixes, while the Netherlands Antilles use the "PJ" prefix . Aruba has been assigned "P4" by the ITU . </P> <P> The island nation of Trinidad and Tobago use the "9Y"--"9Z" prefixes . </P>

What does the w stand for on radio stations