| Date | Action |
| 12/13/2008 | License Canceled |
| 12/31/2006 | License Assigned (Full Assignment) |
| 07/11/2005 | Construction/Coverage Reminder Letter Sent |
| 04/08/2004 | License Modified |
| 07/03/2001 | License Renewed |
| 05/14/2001 | Renewal Reminder Letter Sent |
| 06/01/2000 | License Transferred |
| 03/31/2000 | Administrative Update Applied |
| 03/27/2000 | License Transferred |
| 08/14/1999 | License Converted |
| 06/02/1998 | License Assigned (Full Assignment) |
| 04/20/1998 | License Assigned (Full Assignment) |
| 08/07/1996 | License Modified |
| 11/12/1993 | License Modified |
| 11/11/1993 | License Modified |
| 11/05/1993 | License Modified |
| 10/05/1993 | License Modified |
| 12/15/1988 | License Issued |