| Callsign | WP4SXB |
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2023-07-11 |
| Effective Date | 2023-07-11 |
| Expire Date | 2033-07-11 |
| Cancel Date | 2023-08-01 |
| Last Action Date | 2023-08-01 |
| End Date | 2023-08-01 |
| Available Date | 2025-08-02 |
| Applicant Type | B - Amateur Club |
| Entity Name | First Class CW Operators Club Of Puerto Rico |
| Street Address / Locality | 7 Calle Dolores Lolita Natal Apt 706 Manati, PR 00674 |
| County | Manatí Municipio |
| Zip Location | 18°25'22.5"N 66°29'21.6"W |
| Maidenhead | FK68sk |
| FRN | 0033972993 |
| Licensee ID/SGIN | L02685594 / 000 |
| Licensee Class | |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 12 / 12 / PR |
| Prev Callsign / Prev Class | |
| Next Callsign | KP4FOC |
| Trustee Callsign / Trustee Name | KP4DX DIAZ, FERNANDO L |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 13 / 74 |