| Callsign | WP4OTR |
|---|---|
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2013-08-06 |
| Effective Date | 2013-08-06 |
| Expire Date | 2023-08-06 |
| Cancel Date | 2025-08-07 |
| Last Action Date | 2025-08-07 |
| End Date | 2023-08-06 |
| Available Date | 2025-09-07 |
| Applicant Type | I - Individual |
| Entity Name | Heredia Ortiz, Luis M |
| Street Address / Locality | RR 18 Box 782 San Juan, PR 00926 |
| County | San Juan Municipio |
| Zip Location | 18°20'43.5"N 66°03'05.4"W |
| Maidenhead | FK68xi |
| FRN | 0022891840 |
| Licensee ID/SGIN | L01805784 / 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 | 0005885688 |
| Phonetic weight / Morse weight | 13 / 70 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2013-08-06 | SYSGRT - New Systematic Call Sign Assigned |
| 2013-08-06 | LIISS - License Issued |
| 2025-08-07 | LIEXP - License Expired |