| Date | Action |
| 12/14/2000 | License Canceled |
| 12/12/2000 | License Renewed |
| 11/10/2000 | License Transferred |
| 02/17/2000 | Administrative Update Applied |
| 11/30/1999 | Administrative Update Applied |
| 08/14/1999 | License Converted |
| 07/08/1999 | Internal Correction Applied |
| 03/01/1999 | Internal Correction Applied |
| 02/16/1999 | License Transferred |
| 04/03/1997 | License Assigned (Full Assignment) |
| 09/12/1996 | License Assigned (Full Assignment) |
| 10/30/1995 | License Assigned (Full Assignment) |
| 05/31/1995 | License Assigned (Full Assignment) |
| 05/31/1995 | License Transferred |
| 05/31/1995 | License Transferred |
| 05/02/1995 | License Assigned (Full Assignment) |
| 04/12/1995 | License Assigned (Full Assignment) |
| 06/21/1994 | License Transferred |
| 10/05/1993 | License Transferred |
| 12/20/1991 | License Assigned (Full Assignment) |
| 03/25/1991 | License Renewed |
| 07/06/1988 | Application Granted |