| Date | Action |
| 02/02/2000 | License Canceled |
| 01/19/2000 | License Assigned (Full Assignment) |
| 08/13/1999 | License Converted |
| 08/05/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 01/27/1999 | Internal Correction Applied |
| 09/17/1998 | Administrative Update Applied |
| 02/02/1996 | License Renewed |
| 08/03/1995 | Internal Correction Applied |
| 08/03/1995 | License Renewed |
| 08/09/1990 | License Modified |
| 07/03/1990 | License Modified |
| 06/27/1990 | License Modified |
| 09/13/1985 | License Modified |
| 02/11/1982 | License Issued |