| Callsign | KP4ZE |
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2014-10-08 |
| Effective Date | 2014-10-08 |
| Expire Date | 2024-10-21 |
| Cancel Date | 2026-10-24 |
| Last Action Date | 2026-10-24 |
| End Date | 2024-10-21 |
| Available Date | 2026-11-24 |
| Applicant Type | I - Individual |
| Entity Name | ESPINOSA DIAZ, WILFREDO B |
| Street Address / Locality | HC 2 BOX 19705 YABUCOA, PR 00767 |
| County | Yabucoa Municipio |
| Zip Location | 18°04'10.2"N 65°53'45.7"W |
| Maidenhead | FK78bb |
| FRN | 0011464534 |
| Licensee ID/SGIN | L00912356 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | C - 2x2 |
| ULS/Geo Region | 12 / 12 / PR |
| Prev Callsign / Prev Class | A - Advanced |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0001858551 |
| Phonetic weight / Morse weight | 10 / 58 |