| Callsign | WP4ONE |
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2012-02-03 |
| Effective Date | 2012-02-03 |
| Expire Date | 2022-02-03 |
| Cancel Date | 2024-02-06 |
| Last Action Date | 2024-02-06 |
| End Date | 2022-02-03 |
| Available Date | 2024-03-08 |
| Applicant Type | I - Individual |
| Entity Name | Rivera-Mercado, Leonardo E |
| Street Address / Locality | HC 4 Box 6660 Bo Rio Hondo I Comerio, PR 00782 |
| County | Comerío Municipio |
| Zip Location | 18°13'32.5"N 66°13'17.9"W |
| Maidenhead | FK68vf |
| FRN | 0021466552 |
| Licensee ID/SGIN | L01686652 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 12 / 12 / PR |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0005059870 |
| Phonetic weight / Morse weight | 13 / 66 |