| Callsign | NP3NM |
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2017-10-12 |
| Effective Date | 2024-11-26 |
| Expire Date | 2027-10-12 |
| Cancel Date | |
| Last Action Date | 2024-11-26 |
| End Date | 2027-10-12 |
| Available Date | 2029-10-13 |
| Applicant Type | I - Individual |
| Entity Name | MASSALLO ALDAHONDO, MELVIN A |
| Street Address / Locality | HC 03 BOX 7653 MOCA, PR 00676 |
| County | Moca Municipio |
| Zip Location | 18°22'39.5"N 67°04'46.5"W |
| Maidenhead | FK68lj |
| FRN | 0001830959 |
| Licensee ID/SGIN | L00188454 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | C - 2x2 |
| ULS/Geo Region | 12 / 12 / PR |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0003534465 |
| Phonetic weight / Morse weight | 10 / 56 |