Don't know about canceling. I think they cut back to the number of different 3G licenses. However they haven't awarded any (I think that's a 2005 issue if I remember correctly). So lots of things can change between now and 2005.
"When fascism comes to America, it will be wrapped in the flag and carrying a cross." - Sinclair Lewis
"Those Who Would Sacrifice Liberty for Security Deserve Neither." -Benjamin Franklin