| Callsign | W4WYW |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2026-04-28 |
| Effective Date | 2026-04-28 |
| Expire Date | 2036-04-28 |
| Cancel Date | |
| Last Action Date | 2026-04-28 |
| End Date | 2036-04-28 |
| Available Date | 2038-04-29 |
| Applicant Type | I - Individual |
| Entity Name | PEREZ MARTINEZ, WALTER J |
| Street Address / Locality | MSC 165, PO Box 5004 YAUCO, PR 00698 |
| County | Yauco Municipio |
| Zip Location | 18°03'53.5"N 66°51'22.7"W |
| Maidenhead | FK68nb |
| FRN | 0021170204 |
| Licensee ID/SGIN | L01662928 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 12 / PR |
| Prev Callsign / Prev Class | WP4JYM |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | |
| Phonetic weight / Morse weight | 10 / 66 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2026-04-28 | LIISS - License Issued |
| 2026-04-28 | VANGRT - Vanity Call Sign Assigned |