| Date | Action |
| 12/09/1999 | License Canceled |
| 08/13/1999 | License Converted |
| 04/26/1999 | Internal Correction Applied |
| 03/02/1999 | Internal Correction Applied |
| 02/24/1999 | License Assigned (Full Assignment) |
| 02/16/1999 | License Transferred |
| 02/01/1999 | Internal Correction Applied |
| 08/14/1998 | License Transferred |
| 05/11/1998 | License Modified |
| 12/24/1997 | License Assigned (Full Assignment) |
| 05/30/1997 | Internal Correction Applied |
| 03/19/1996 | License Transferred |
| 03/29/1994 | License Assigned (Full Assignment) |
| 10/19/1987 | License Modified |
| 04/07/1987 | Application Granted |