| Callsign | WP4SKC |
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2022-06-22 |
| Effective Date | 2022-06-22 |
| Expire Date | 2032-06-22 |
| Cancel Date | |
| Last Action Date | 2022-06-22 |
| End Date | 2032-06-22 |
| Available Date | 2034-06-23 |
| Applicant Type | I - Individual |
| Entity Name | RIVERA MARTINEZ, OSVALDO A |
| Street Address / Locality | BOX 407 LAJAS, PR 00667 |
| County | Lajas Municipio |
| Zip Location | 18°00'12.3"N 67°02'08.9"W |
| Maidenhead | FK68la |
| FRN | 0032530412 |
| Licensee ID/SGIN | L02572550 / 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 | |
| Phonetic weight / Morse weight | 13 / 74 |