| Callsign | WP4RGY |
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2019-09-25 |
| Effective Date | 2019-09-25 |
| Expire Date | 2029-09-25 |
| Cancel Date | 2019-10-16 |
| Last Action Date | 2019-10-16 |
| End Date | 2019-10-16 |
| Available Date | 2021-10-17 |
| Applicant Type | I - Individual |
| Entity Name | Mercado-Martin, Joaquin M |
| Street Address / Locality | 403 Calle Rincon San Juan, PR 00923 |
| County | San Juan Municipio |
| Zip Location | 18°24'32.5"N 66°02'18.9"W |
| Maidenhead | FK68xj |
| FRN | 0028806826 |
| Licensee ID/SGIN | L02294740 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 12 / 12 / PR |
| Prev Callsign / Prev Class | |
| Next Callsign | WP4AKB |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0008815508 |
| Phonetic weight / Morse weight | 12 / 78 |