| Callsign | KP4GSI |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2020-03-24 |
| Effective Date | 2020-03-24 |
| Expire Date | 2030-03-24 |
| Cancel Date | |
| Last Action Date | 2020-03-24 |
| End Date | 2030-03-24 |
| Available Date | 2032-03-25 |
| Applicant Type | I - Individual |
| Entity Name | SIEVENS IRIZARRY, GREISHA |
| Street Address / Locality | PO BOX 560443 GUAYANILLA, PR 00656 |
| County | Guayanilla Municipio |
| Zip Location | 18°03'12.7"N 66°47'34.6"W |
| Maidenhead | FK68ob |
| FRN | 0029004637 |
| Licensee ID/SGIN | L02327800 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 12 / 12 / PR |
| Prev Callsign / Prev Class | WP4RKV |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | |
| Phonetic weight / Morse weight | 13 / 66 |