The Federal Communications Commission (FCC) has granted a total of 45 licenses and call signs in the category of Amateur license in Rio Grande, Puerto Rico. Select a call sign from the table below to view its details such as the date of authorization, expiration date, service description, and so forth.
| Call Sign | License Holder Name | Date of Authorization |
|---|---|---|
| KC1LOA | APONTE RIVERA, FERDINAND G | 2017-07-07 |
| KP3CK | CRUZ, LUIS M | 2014-10-28 |
| KP3CL | Rodriguez, Hector M | 2012-02-23 |
| KP4DBR | MOSQUERA SR, JORGE J | 2019-03-23 |
| NP3CB | CRUZ, CARLOS T | 2015-11-06 |
| NP4WQ | FERRER, MINERVA | 2016-03-03 |
| NP4WR | FERRER, JORGE A | 2016-09-20 |
| WP3HD | Agosto-Cordero, Miguel A | 2020-02-26 |
| WP3TA | Feliciano-Rivera, Ruben | 2012-06-15 |
| WP3VJ | ROSA RODRIGUES, SONIA N | 2022-10-28 |
| WP3VK | Baez-Rosa, Radames | 2012-10-25 |
| WP4BVS | RIVERA, JOSE A | 2019-02-28 |
| WP4DOR | DIAZ LOPEZ, DAVID F | 2016-01-15 |
| WP4FJK | VAZQUEZ, LUIS A | 2012-11-29 |
| WP4IIJ | CEPEDA AGOSTO, ROBERTO A | 2020-02-26 |
| WP4JGC | PARRILLA, CARLOS J | 2020-08-24 |
| WP4MFB | CANCEL, FREDDIE | 2013-06-18 |
| WP4MPC | VAZQUEZ HADDOCK, GERARDO | 2014-04-16 |
| WP4NSD | Texidor, Dolores | 2004-07-08 |
| WP4NZC | Gutierrez Rosario, Albert | 2019-04-26 |
| WP4OBZ | Cuevas-Diaz, Juan A | 2019-10-10 |
| WP4OFZ | Vargas-Osorio, Silvio | 2020-06-20 |
| WP4OTI | Fuentens-Ortiz, Ramon B | 2023-05-03 |
| WP4OXB | Circuns Gonzalez, Eric R | 2013-12-30 |
| WP4PAU | APONTE RIVERA, FERDINAND G | 2014-04-28 |
| WP4PAV | APONTE, FERDINAND | 2014-04-28 |
| WP4PBS | Vazquez-Figueroa, Jose R | 2014-06-05 |
| WP4PLS | Ortega-Carrillo, Jesus M | 2015-07-10 |
| WP4POK | GARCIA MARTINEZ, CARMEN A | 2015-11-24 |
| WP4PWO | Rivera-Encarnacion, Manuel E | 2017-11-30 |
| WP4PWT | Garcia-Medina, Chris P | 2017-11-30 |
| WP4PYT | DE LEON REYES, JORGE W | 2018-02-20 |
| WP4QAB | Soto-Felix, Arnaldo | 2018-04-04 |
| WP4QAN | Puerto Rico Weather Net | 2018-04-13 |
| WP4QAO | BERRIOS, JUAN A | 2018-04-24 |
| WP4QCK | Lopez-Perez, Jose F | 2018-06-04 |
| WP4QGC | Rio Grande Ham Radio Club | 2018-07-09 |
| WP4QWU | Acosta, Glenda | 2018-12-18 |
| WP4QYC | Sanchez, Amarilys | 2019-02-06 |
| WP4QZA | Rivera - Sanchez, Millianie | 2019-03-07 |
| WP4RED | Ortiz-Rodriguez, Christian A | 2019-08-02 |
| WP4REO | Rosa-Rivera, Omar | 2019-08-02 |
| WP4RJX | Salter, Chad C | 2020-01-27 |
| WP4RZX | Aulet, Julio E | 2021-08-26 |
| WP4UG | ROLON PARSON, ALEJANDRO | 2019-03-26 |
