| Date | Action |
| 05/13/2004 | License Canceled |
| 10/18/2003 | Administrative Update Applied |
| 06/12/2003 | Administrative Update Applied |
| 02/06/2002 | Administrative Update Applied |
| 10/10/2001 | License Assigned (Full Assignment) |
| 08/13/1999 | License Converted |
| 08/05/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 05/24/1999 | License Modified |
| 04/22/1999 | Internal Correction Applied |
| 09/22/1998 | Duplicate Authorization Generated |
| 08/14/1998 | License Modified |
| 04/30/1998 | License Modified |
| 08/11/1994 | License Modified |
| 07/15/1994 | License Modified |
| 07/13/1994 | License Modified |
| 07/06/1994 | License Modified |
| 04/18/1994 | License Modified |
| 04/06/1994 | License Modified |
| 10/12/1989 | License Modified |
| 02/16/1988 | License Modified |
| 06/03/1987 | License Modified |
| 03/16/1984 | License Modified |
| 07/08/1983 | License Modified |
| 12/21/1979 | License Modified |