| Date | Action |
| 04/09/2011 | License Status Set to Expired |
| 11/08/2010 | Renewal Reminder Letter Sent |
| 04/20/2004 | Construction/Coverage Reminder Letter Sent |
| 01/21/2003 | License Modified |
| 01/03/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 08/11/1999 | Internal Correction Applied |
| 07/09/1998 | Internal Correction Applied |
| 07/08/1998 | License Modified |
| 10/30/1995 | License Modified |
| 04/03/1995 | License Modified |
| 02/21/1995 | License Modified |
| 02/21/1995 | License Modified |
| 02/08/1994 | License Assigned (Full Assignment) |
| 04/25/1991 | License Renewed |