| Callsign | KP4NL |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2019-03-21 |
| Effective Date | 2019-03-21 |
| Expire Date | 2029-03-17 |
| Cancel Date | |
| Last Action Date | 2019-03-21 |
| End Date | 2029-03-17 |
| Available Date | 2031-03-18 |
| Applicant Type | I - Individual |
| Entity Name | ECHEVARRIA LOPEZ, WILFREDO |
| Street Address / Locality | PO Box 2280 BAYAMON, PR 00960 |
| County | Bayamón Municipio |
| Zip Location | 18°24'59.9"N 66°08'40.4"W |
| Maidenhead | FK68wj |
| FRN | 0018506410 |
| Licensee ID/SGIN | L01466352 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | C - 2x2 |
| ULS/Geo Region | 12 / 12 / PR |
| Prev Callsign / Prev Class | KP3T |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | A - Former Holder |
| ULS File Number | 0008573587 |
| Phonetic weight / Morse weight | 11 / 60 |