The Federal Communications Commission (FCC) has granted a total of 1,321 licenses and call signs in the category of Amateur license in Louisville, Kentucky. 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 |
|---|---|---|
| KM4BNO | Bennett, Lisa R | 2014-05-20 |
| KM4BNP | Roy, Darrell W | 2014-05-20 |
| KM4BNQ | Barno, Jeremy J | 2014-05-20 |
| KM4CEQ | Perry, Jon C | 2014-06-16 |
| KM4CET | Kamber, Justin S | 2014-06-16 |
| KM4DDO | Steiner, Gregory A | 2014-07-21 |
| KM4ECB | Fautz, Gary V | 2014-09-08 |
| KM4EIE | Tobbe, Jason M | 2014-09-18 |
| KM4EIG | Vickers Jr, John T | 2014-09-18 |
| KM4FRP | Graham, Jason S | 2014-11-07 |
| KM4GCQ | Collins, Stewart P | 2014-11-19 |
| KM4GNL | Presley, Stephen J | 2014-12-15 |
| | ||
| KM4GUG | Thaicham, Kitja | 2014-12-24 |
| KM4HIT | Goldener, Joshua J | 2015-01-20 |
| KM4IGI | Johns, Stephen K | 2015-02-26 |
| KM4IX | SPARKS, LINDA D | 2018-04-24 |
| KM4JC | JENNINGS, MICHAEL A | 2018-09-14 |
| KM4LUU | Reising, Austin C | 2015-07-17 |
| KM4LUV | Coffelt, Darryl F | 2015-07-17 |
| KM4MCQ | Bickel, Edward O | 2015-07-27 |
| KM4MCR | Franck, David G | 2015-07-27 |
| KM4MKA | Botkins, James R | 2015-08-06 |
| KM4MPV | Rogers, Jonathan D | 2015-08-17 |
| KM4MUH | Elmore, Robert H | 2015-08-20 |
| KM4NFW | Harwell, Joseph B | 2015-09-14 |
| KM4NFX | Hathaway, Michael T | 2015-09-14 |
| KM4NFY | Davis, Fredrick A | 2015-09-14 |
| KM4NGB | Corbett, Stephanie | 2015-09-14 |
| KM4NGC | Ruth, Cody A | 2015-09-14 |
| KM4NI | WAGONER SR, FREDY M | 2011-07-25 |
| KM4NRO | Reed, Robert T | 2015-10-01 |
| KM4NVG | Karr, Ron P | 2015-10-07 |
| KM4PNG | Hill, Joseph G | 2015-12-08 |
| KM4PPI | Gnadinger Jr, Carl J | 2015-12-14 |
| KM4PPJ | Gardiner, Graeme | 2015-12-14 |
| KM4QHY | DRAUT, KENNETH L | 2016-01-19 |
| KM4QKT | Frederick, Brent T | 2016-01-22 |
| KM4RBX | Lampton, Scott E | 2016-02-16 |
| KM4RHN | DYER JR, NORMAN H | 2013-11-12 |
| KM4SGI | Kentuckiana D Star Amateur Radio Club | 2016-03-14 |
| KM4SLY | Selter, Joshua T | 2016-03-21 |
| KM4TDZ | Kiper, Morris W | 2016-04-11 |
| KM4THG | Moen, Matthew R | 2016-04-18 |
| KM4TOC | Richmond, Carl | 2016-04-27 |
| KM4TOY | Guerra, Daniel E | 2016-04-29 |
| KM4UEZ | Morris, Michael R | 2016-05-24 |
| KM4UFA | Daniels, Eric T | 2016-05-24 |
| KM4UN | COTHRAN, STEPHEN A | 2019-04-13 |
| KM4UNY | RHODES, DUSTIN M | 2016-06-13 |
| KM4UTC | Murphy, Gary R | 2016-06-20 |
| KM4VAI | Beard, Timothy B | 2016-07-09 |
| KM4VAL | Penn, Camden T | 2016-07-09 |
| KM4VFA | HOWARD, LAWRENCE R | 2016-07-13 |
| KM4VJI | Vize, James L | 2016-07-18 |
| KM4VSV | Newman, John T | 2016-08-01 |
| KM4VZB | Howard, Joshua M | 2016-08-15 |
| KM4WOR | Wimsatt, Gregory P | 2016-09-12 |
| KM4WOS | Conn, Danny G | 2016-09-12 |
| KM4WOT | Vincent, Duane | 2016-09-12 |
| KM4YCE | Cook, Donald R | 2016-10-04 |
| KM4YCN | Crist, David L | 2016-10-04 |
| KM4YIN | Cummins, Garry T | 2016-10-17 |
| KM4YWC | Cravens, Kyle A | 2016-11-09 |
| KM4ZEP | Hofman, Harold W | 2016-11-21 |
| KM4ZSN | Stockton, Christopher D | 2016-12-16 |
| KN4AXA | Douthitt, William J | 2017-02-13 |
| KN4BCB | Wheatley, Csam E | 2017-02-21 |
| KN4BDU | JCSDA | 2017-02-22 |
| KN4CIC | Burkett, Christopher N | 2017-04-03 |
| KN4CNO | Winkler, Darrell J | 2017-04-12 |
| KN4CQD | Russell, Brian L | 2017-04-17 |
| KN4DKW | Messer II, Darrell G | 2017-05-22 |
| KN4EEV | Crivits, Timothy J | 2017-06-23 |
| KN4FKK | Withrow, Michael D | 2017-08-21 |
| KN4FTW | KLEIN, ANDREW T | 2017-09-12 |
| KN4GFA | Billharz, Robert L | 2017-09-29 |
| KN4GNU | YOUNG, PAUL C | 2017-10-16 |
| KN4GNV | FARMER, RICHARD A | 2017-10-16 |
| KN4HJE | Davis, Andrew W | 2017-11-09 |
| KN4IGL | CONNORS, JOSHUA M | 2017-12-11 |
| KN4INU | Alvey, Zachary J | 2017-12-20 |
| KN4IXV | Wiete, Eric J | 2018-01-19 |
| KN4JPG | DELATORRE III, AMADOR | 2018-02-12 |
| KN4JPH | DIXON, JOHN C | 2018-02-12 |
| KN4LLZ | COOK, BRAD | 2018-04-16 |
| KN4MLR | BREITENSTEIN, RUSSELL G | 2018-05-21 |
| KN4MMU | ANDRES, STEVE M | 2018-05-22 |
| KN4MMV | Schulinck, Dennis P | 2018-05-22 |
| KN4NGL | Hitch, Gregory W | 2018-06-18 |
| KN4NGN | Howell, Roger L | 2018-06-18 |
| KN4NHC | Brennan, David J | 2018-06-19 |
| KN4OJJ | LEENERTS, AMY R | 2018-08-13 |
| KN4OOJ | LEFFLER, GREGORY P | 2018-08-17 |
| KN4OPE | MANNING, TYLER S | 2018-08-20 |
| KN4OUI | Tasman, Jonathan B | 2018-09-05 |
| KN4OWF | SINGLETON II, DONALD K | 2018-09-10 |
| KN4PL | Myers, William P | 2021-05-07 |
| KN4POL | ALLEN, DANIEL W | 2018-10-15 |
| KN4POM | SINGLETON II, DONALD K | 2018-09-10 |
| KN4QIV | Turner, Madison Z | 2018-11-13 |
