| Callsign | N4BJ |
| Radio Service | HV - Vanity |
| License Status | C - Canceled |
| Grant Date | 2021-06-11 |
| Effective Date | 2021-06-11 |
| Expire Date | 2031-06-11 |
| Cancel Date | 2025-06-06 |
| Last Action Date | 2025-06-06 |
| End Date | 2025-06-06 |
| Available Date | 2027-06-07 |
| Applicant Type | I - Individual |
| Entity Name | Vasilopoulos, Kostadinos G |
| Street Address / Locality | 17929 Timber View St Tampa, FL 33647 |
| County | Hillsborough County |
| Zip Location | 28°07'37.0"N 82°21'14.7"W |
| Maidenhead | EL88td |
| FRN | 0029208188 |
| Licensee ID/SGIN | L02324139 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | A - 1x2 |
| ULS/Geo Region | 4 / 4 / FL |
| Prev Callsign / Prev Class | WV4A |
| Next Callsign | W4DS |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | |
| Phonetic weight / Morse weight | 10 / 50 |