| Date | Action |
| 05/14/2002 | License Canceled |
| 01/23/2002 | Administrative Update Applied |
| 12/07/2000 | License Modified |
| 08/10/2000 | License Assigned (Full Assignment) |
| 12/18/1999 | Administrative Update Applied |
| 11/16/1999 | Administrative Update Applied |
| 10/23/1999 | Administrative Update Applied |
| 08/14/1999 | License Converted |
| 10/27/1997 | Internal Correction Applied |
| 10/03/1997 | License Renewed |
| 03/10/1995 | License Modified |
| 12/24/1992 | License Modified |
| 07/20/1992 | License Modified |
| 02/14/1992 | License Modified |
| 09/04/1991 | License Modified |
| 09/06/1990 | License Issued |