The Federal Communications Commission (FCC) has granted a total of 30 licenses and call signs in the category of Amateur license in Saint Johns, Florida. 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 |
|---|---|---|
| KB0MJN | FRIERDICH JR, RONALD R | 2014-04-17 |
| KB0VB | Davis, Christian G | 2023-02-14 |
| KB3VEX | Happ, Melissa P | 2020-07-24 |
| KC3LEZ | Plimmer, Robert S | 2018-04-16 |
| KD4HKX | Rasor, Gregg | 2023-04-27 |
| KF4UQB | GROGAN, PETER E | 2006-09-07 |
| KG4BDG | LUKER, JOHN M | 2009-07-25 |
| KG4SJB | Palsha, Jacqueline R | 2022-02-01 |
| KG6YEM | WALLACE, RICHARD S | 2014-11-26 |
| KJ4YFH | HAPP, THOMAS W | 2020-07-13 |
| KK4UNQ | Ortagus, Barbara A | 2013-10-23 |
| KK4VWA | Langston, Drew A | 2013-12-13 |
| KK6TNP | Carde, Edward | 2015-04-27 |
| KM4EVH | Keller, Lew | 2014-10-08 |
| KM4JFX | Wolfram, Scott D | 2015-03-25 |
| KM4MLE | Bacon, Bobbi B | 2015-08-07 |
| KN4UXE | Smith, Timothy J | 2019-06-05 |
| KN4VPU | Mesa, Victor R | 2019-07-15 |
| KN4YDF | Shannon Jr, Jeffrey T | 2019-09-12 |
| KN4YDG | Johns, Kellan W | 2019-09-12 |
| KO4ATM | Sosa, Robert A | 2019-12-26 |
| KO4EVW | Vincent de Urquiza, Mariano L | 2020-06-29 |
| KO4KLT | Gilbert, Keith G | 2020-12-28 |
| KO4KMC | Smith, Dan R | 2020-12-28 |
| KO4KMQ | Vorwaller, Michael B | 2020-12-28 |
| KO4MQL | Johnston, Kevin T | 2021-02-16 |
| KO4QHX | McFarlane Jr, Philip M | 2021-05-14 |
| N2JCD | STELLABOTTE, FRED J | 2010-01-16 |
| WA4JPC | PERRY JR, ROY A | 2016-04-15 |
| WP4KRZ | PEREZ, RENES | 2022-11-05 |
