Retrieving license, trustee, & application history for
K4DEF
K4DEF is restricted to Technician class operators or higher.
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 |
|---|---|---|---|---|---|---|---|---|
| DeFoore, Matthew C | I - Individual | T - Technician | 1 / NH | A - Active | 2026-06-02 | 2026-06-02 | 2036-06-02 | |
| Roberts, James T | I - Individual | T - Technician | 0 / MO | C - Canceled | 2022-01-21 | 2022-11-29 | 2022-12-16 | 2032-01-21 |
| Overdorff, William R | I - Individual | A - Advanced | 4 / TN | E - Expired | 2008-12-09 | 2008-12-09 | 2021-03-06 | 2019-03-05 |
Retrieving applications for
K4DEF
K4DEF is restricted to Technician class operators or higher.
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- Two dates or purposes in one row mean the application was amended or withdrawn: the latest change is on top, the original underneath.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 |
|---|---|---|---|---|---|---|---|---|
| Wed 2026-05-13 | KC1ZJX | 1 / NH | DeFoore, Matthew C | 0012033386 I - Online |
MD - Modification | 2026-05-13 | 2026-06-02 | G - Granted |
| Tue 2026-03-31 | KM4LVV | 4 / TN | Scircle, John A | 0011971500 I - Online |
MD - Modification | 2026-04-01 | 2026-04-18 | G - Granted |
| Thu 2025-02-20 | KR4BNX | 4 / VA | Walton, Colin G | 0011456568 I - Online |
MD - Modification | 2025-02-20 | 2025-03-11 | G - Granted |
| Wed 2023-05-10 | KQ4HUC | 4 / FL | CARSON, ARTHUR E | 0010537451 I - Online |
MD - Modification | 2023-05-10 | 2023-05-31 | G - Granted |
| Tue 2023-02-21 | KQ4GGK | 4 / TN | Diehl, Daniel T | 0010423966 I - Online |
MD - Modification | 2023-02-21 | 2023-03-13 | G - Granted |
| Mon 2022-01-03 | KN4IWP | 4 / TN | Roberts, James T | 0009850094 I - Online |
MD - Modification | (none) | 2022-01-21 | G - Granted |
| Fri 2021-09-03 | KO4TAF | 4 / AL | Agerton, Paul | 0009694973 I - Online |
MD - Modification | (none) | 2021-09-21 | G - Granted |