Retrieving license, trustee, & application history for
AA4MO
AA4MO is restricted to Amateur Extra class operators.
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 |
|---|---|---|---|---|---|---|---|---|
| Obuchowski, Matthew T | I - Individual | E - Amateur Extra | 9 / IL | A - Active | 2026-03-27 | 2026-03-27 | 2036-03-27 | |
| TREADWELL, JAMES R | I - Individual | E - Amateur Extra | 4 / FL | E - Expired | 2005-02-23 | 2005-02-23 | 2017-05-18 | 2015-05-17 |
Retrieving applications for
AA4MO
AA4MO is restricted to Amateur Extra class operators.
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- Two dates or purposes in one row mean the application was amended or withdrawn: the latest change is on top, the original underneath.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 |
|---|---|---|---|---|---|---|---|---|
| Mon 2026-03-09 | KE9CQR | 9 / IL | Obuchowski, Matthew T | 0011937358 I - Online |
MD - Modification | 2026-03-09 | 2026-03-27 | G - Granted |
| Mon 2025-01-13 | KF4KFL | 4 / NC | SNEAD, TRACY L | 0011403672 I - Online |
MD - Modification | 2025-01-14 | 2025-01-31 | G - Granted |
| Thu 2024-11-21 | AF0BF | 0 / MN | JIANG, YI | 0011338776 I - Online |
MD - Modification | 2024-11-21 | 2024-12-10 | G - Granted |
| Mon 2017-12-11 | N8ITF | 4 / TN | FULK JR, PAUL F | 0008025664 I - Online |
MD - Modification | (none) | 2017-12-29 | G - Granted |