| Call | Name | City | State | Class | Old Call | Effective Date | Expiration Date | Status |
|---|
| KP4D | TORO, ALVIN J | MERCEDITA | PR | E | | 11/01/2018 | 11/01/2028 | Active |
| KP4EB | Borrero-Emmanuelli, Enery | MERCEDITA | PR | E | KP4EBS | 05/07/2019 | 05/07/2029 | Active |
| KP4EBS | Borrero-Emmanuelli, Enery | MERCEDITA | PR | E | WP4AKB | 04/17/2019 | 07/09/2029 | Cancelled |
| KP4RP | DIAZ, RICARDO L | MERCEDITA | PR | E | | 12/23/2020 | 02/05/2031 | Active |
| KP4V | SANCHEZ RIVERA, JOSE L | MERCEDITA | PR | E | KP4JX | 09/20/2016 | 12/17/2026 | Active |
| NP3LA | RENTA MENDOZA, IVAN C | MERCEDITA | PR | T | WP4MSJ | 08/14/2014 | 08/31/2024 | Active |
| NP3LC | Lugo, Elvin A | MERCEDITA | PR | G | WP4PHK | 01/01/2021 | 01/01/2031 | Active |
| NP4DN | BAHAMONDE, MARTA M | MERCEDITA | PR | T | | 11/01/2018 | 10/07/2028 | Active |
| NP4EB | Burgos-Albertorio, Elmer | Mercedita | PR | G | WP4NTR | 09/27/2019 | 11/03/2029 | Active |
| WP4HL | GUTIERREZ PABON, HECTOR L | MERCEDITA | PR | T | WP4PMG | 10/14/2015 | 10/14/2025 | Cancelled |
| WP4LAR | GONZALEZ TORRES, JAVIER | MERCEDITA | PR | E | | 06/08/2012 | 04/14/2022 | Active |
| WP4MSH | MANFREDDY SANTIAGO, EMILIO | MERCEDITA | PR | T | | 10/03/2014 | 10/03/2024 | Active |
| WP4MWZ | PENA BURGOS, MARIBEL | MERCEDITA | PR | T | | 06/23/2015 | 05/05/2025 | Active |
| WP4NPL | Pedraza-Vazquez, Sonia | Mercedita | PR | T | | 04/19/2005 | 04/19/2015 | Expired |
| WP4PHK | Lugo Cortes, Elvin A | Mercedita | PR | T | | 12/10/2014 | 12/10/2024 | Cancelled |
| WP4PMG | GUTIERREZ PABON, HECTOR L | MERCEDITA | PR | T | | 08/10/2015 | 08/10/2025 | Cancelled |
| WP4RQU | Ortiz, Maria | Mercedita | PR | T | | 11/16/2020 | 11/16/2030 | Active |
| WP4RRM | Melendez-Colon, Pedro | Mercedita | PR | T | | 12/02/2020 | 12/02/2030 | Active |
| WP4ZX | DIETRI, EMILIA C | MERCEDITAS | PR | T | | 02/08/2002 | 11/06/2011 | Expired |
