| Callsign | WP4OWL |
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2013-12-30 |
| Effective Date | 2013-12-30 |
| Expire Date | 2024-03-05 |
| Cancel Date | 2026-03-06 |
| Last Action Date | 2026-03-06 |
| End Date | 2024-03-05 |
| Available Date | 2026-04-06 |
| Applicant Type | I - Individual |
| Entity Name | MARTINEZ RIVERA, MARGARITA |
| Street Address / Locality | PO Box 1085 ADJUNTAS, PR 00601 |
| County | Adjuntas Municipio |
| Zip Location | 18°10'50.0"N 66°44'59.9"W |
| Maidenhead | FK68pe |
| FRN | 0023238306 |
| Licensee ID/SGIN | L01832996 / 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 | 0006073450 |
| Phonetic weight / Morse weight | 12 / 78 |