| Date | Action |
| 08/18/2001 | License Canceled |
| 04/20/2001 | License Assigned (Full Assignment) |
| 02/14/2001 | Administrative Update Applied |
| 11/13/1999 | Administrative Update Applied |
| 11/13/1999 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 06/23/1999 | License Assigned (Full Assignment) |
| 01/07/1997 | License Modified |
| 02/08/1996 | License Renewed |
| 11/08/1995 | License Assigned (Full Assignment) |
| 05/30/1991 | License Modified |
| 04/22/1991 | License Modified |
| 05/02/1986 | License Modified |
| 08/16/1985 | License Modified |
| 08/18/1980 | License Modified |
| 01/26/1978 | License Modified |