Retrieving license, trustee, & application history for
K0BUM
K0BUM is restricted to Technician class operators or higher.
K0BUM is c - canceled, but is not yet available.
Navigation:
- Scroll down to the applications that requested this callsign.
- An Entity Name opens everything filed under that licensee’s FCC Registration Number.
- A Grant Date opens all processing on that day; an Effective Date opens the license record.
Notes:
- Column headings link to an explanation of the column.
- A bold Applicant Type marks a vanity callsign assignment.
- Active licenses are listed first, then the rest by Effective Date, newest first.
| Entity Name | Applicant Type |
Licensee Class | Region / State | License Status |
Grant Date | Effective Date |
Cancel Date | Expire Date |
|---|---|---|---|---|---|---|---|---|
| Witt, Casey J | I - Individual | T - Technician | 0 / CO | C - Canceled | 2026-05-27 | 2026-06-02 | 2026-06-16 | 2036-05-27 |
| ROSSEL, BRYAN D | I - Individual | T - Technician | 0 / CO | E - Expired | 2013-07-30 | 2013-07-30 | 2025-07-31 | 2023-07-30 |
Retrieving applications for
K0BUM
K0BUM is restricted to Technician class operators or higher.
K0BUM is c - canceled, but is not yet available.
Navigation:
- An Applicant callsign opens that callsign’s history; an Entity Name opens the applicant’s history.
- A ULS File Number opens the application detail; a Receipt Date opens that day’s applications.
Notes:
- Two dates or purposes in one row mean the application was amended or withdrawn: the latest change is on top, the original underneath.
- “Granted” means the application was granted, not necessarily with this callsign.
- Receipt dates more than a month old have a gray background.
| Receipt Date |
Applicant Callsign | Region / State |
Entity Name | ULS File Number | Application Purpose |
Payment Date | Last Action Date |
Application Status |
|---|---|---|---|---|---|---|---|---|
| Fri 2026-05-08 | N3XYZ | 0 / CO | Witt, Casey J | 0012028319 I - Online |
MD - Modification | 2026-05-11 | 2026-05-27 | G - Granted |
| Mon 2025-12-01 | KR4HVP | 4 / NC | Murray, Christopher | 0011804001 I - Online |
MD - Modification | 2025-12-01 | 2025-12-19 | G - Granted |
| Tue 2024-09-10 | KQ4VFN | 4 / KY | ARMSTRONG, WILLIAM | 0011235625 I - Online |
MD - Modification | 2024-09-10 | 2024-09-28 | G - Granted |
| Wed 2013-07-24 | KD0WFS | 0 / CO | Sivigliano, Matthew | 0005870390 I - Online |
MD - Modification | 2013-07-24 | 2013-08-13 | G - Granted |
| Thu 2013-07-11 | KD0TME | 0 / CO | ROSSEL, BRYAN D | 0005855459 I - Online |
MD - Modification | 2013-07-12 | 2013-07-30 | G - Granted |
| Thu 2005-03-03 | KG6FSL | 6 / CA | Kopriva, Thomas L | 0002066810 I - Online |
MD - Modification | 2005-03-04 | 2005-03-22 | G - Granted |