| Callsign | KB4CZ |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2025-06-18 |
| Effective Date | 2025-06-18 |
| Expire Date | 2035-09-13 |
| Cancel Date | |
| Last Action Date | 2025-06-18 |
| End Date | 2035-09-13 |
| Available Date | 2037-09-14 |
| Applicant Type | I - Individual |
| Entity Name | COSTABILE, JOHN |
| Street Address / Locality | 4 INTUITION CIRCLE DURHAM, NC 27705 |
| County | Durham County |
| Zip Location | 36°01'30.4"N 78°58'55.4"W |
| Maidenhead | FM06ma |
| FRN | 0004035440 |
| Licensee ID/SGIN | L00276618 / 000 |
| Licensee Class | A - Advanced |
| Callsign Group | B - 2x2 |
| ULS/Geo Region | 4 / 4 / NC |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0011611777 |
| Phonetic weight / Morse weight | 10 / 66 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2000-08-15 | LIAUA - Administrative Update Applied |
| 2005-06-27 | LIREN - License Renewed |
| 2015-03-17 | LIAUA - Administrative Update Applied |
| 2015-07-07 | LIREN - License Renewed |
| 2025-06-18 | LIREN - License Renewed |