| Callsign | AI5YN |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2025-09-10 |
| Effective Date | 2025-09-10 |
| Expire Date | 2035-09-10 |
| Cancel Date | 2025-09-30 |
| Last Action Date | 2025-09-30 |
| End Date | 2025-09-30 |
| Available Date | 2027-10-01 |
| Applicant Type | I - Individual |
| Entity Name | Brzostowski, Matthew |
| Street Address / Locality | 319 Barrington Farm Ct Georgetown, TX 78633 |
| County | Williamson County |
| Zip Location | 30°44'28.3"N 97°45'22.0"W |
| Maidenhead | EM10cr |
| FRN | 0007479884 |
| Licensee ID/SGIN | L00552883 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | A - 2x2 |
| ULS/Geo Region | 5 / 5 / TX |
| Prev Callsign / Prev Class | |
| Next Callsign | KD5TKS |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 11 / 50 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2025-09-10 | SYSGRT - New Systematic Call Sign Assigned |
| 2025-09-10 | LIISS - License Issued |
| 2025-09-30 | LICAN - License Canceled |
FCC comments
| 2025-09-30 | Issued vanity call sign. |