Thanks for the info, T.J. I should have remembered that. I have some tapes of the station from the summer of 2000.
There certainly was a time that the West Palm Beach market was nearly oversaturated with Rock formats. Besides Planet Radio, there was the Buzz, and WZZR (which had lousy reception where I am from in western Lake Worth). There was also the Gater, Big in Miami, and even WSHE. It is amazing how the market "self-corrected."