I have used SatME on my T-Mobile Dash and it works quite well. I like runnung tracking software n my cellphone because you always have very accurate time from the cell network. This program is a Java midlet, so your cellhone or PDA needs to be able to run Java. You can find the program at: http://www.k0sm.com/_mgxroot/page_10732.html Howie AB2S