The Federal Communications Commission (FCC) has granted a total of 56 licenses and call signs in the category of Amateur license in Johnston, Iowa. 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 |
|---|---|---|
| KB0JNC | GOBEN, KEVIN C | 2021-08-23 |
| KB0MRP | LEWIS, HEIDI S | 2014-02-18 |
| KB0QCE | Conrey, Theron A | 2014-10-29 |
| KB0UBS | MC MILLEN, GARY L | 2005-09-08 |
| KB0VTZ | DALESKE, THOMAS A | 2015-12-31 |
| KC0EEC | IOWA HOMELAND SECURITY & EMERGENCY MANAGEMENT | 2018-07-02 |
| KC0EKA | DREIBELBEIS, MICHAEL J | 2018-09-27 |
| KC0EMO | SPOONER, KEVIN L | 2019-04-13 |
| KC0EMP | Long, Gregory D | 2018-09-19 |
| KC0FKC | Ristau, Kenneth K | 2009-03-03 |
| KC0MTI | Sonnenburg, Steven J | 2022-02-23 |
| KC0OGK | Small, Bradley S | 2022-09-07 |
| | ||
| KC0RAK | Long, Nathan A | 2013-08-26 |
| KC0WFU | VACHALEK, ROGER E | 2016-03-22 |
| KC0WNP | Hall, David R | 2016-06-28 |
| KD0BWB | O'Hern, Julia E | 2007-10-22 |
| KD0CSS | Donahue, Joseph M | 2017-11-17 |
| KD0EDP | LUSKOSKI, JOHN O | 2018-03-13 |
| KD0EFU | Scheufler, Ray M | 2018-06-09 |
| KD0FXG | Mosher, Lindsey M | 2019-11-13 |
| KD0HAI | Sonnenburg, Maureen L | 2019-03-12 |
| KD0RRO | Williams, Robert E | 2012-04-23 |
| KD9ELH | Watkins, Michael E | 2015-08-20 |
| KE0AIH | Enerson, Noah M | 2014-04-30 |
| KE0GCJ | Xu, Dennis G | 2015-10-14 |
| KE0GPX | Venter, Alex E | 2015-11-18 |
| KE0GSJ | Skow, Kevin D | 2015-11-23 |
| KE0GSN | Hedgepeth, Robert A | 2015-11-23 |
| KE0HQP | Suiter, Elliot C | 2016-02-18 |
| KE0IAB | Clark Jr, Robert L | 2016-03-07 |
| KE0IER | Mistry, Smeet | 2016-03-16 |
| KE0LGS | Matthes, Michelle A | 2016-12-02 |
| KE0OAK | Peddicord, Preston D | 2017-07-21 |
| KE0OOJ | Gogineni, Inesh | 2017-09-29 |
| KE0OOR | Gogineni, Naveen | 2017-09-29 |
| KE0TMX | Enerson, Audrey C | 2018-11-05 |
| KE0TPY | Ristau, Kenneth K | 2009-03-03 |
| KE0VVY | Mayland, Jennifer A | 2019-05-28 |
| KF0BDS | Swesey, Kole W | 2020-08-10 |
| KF0IHU | Mistry, Sneh S | 2022-03-15 |
| KF0LPH | Schwegler, Paul K | 2023-02-22 |
| KF0LPI | Conmy, Christopher S | 2023-02-22 |
| KG5HWR | DEVINE, BRENDAN F | 2015-06-10 |
| N0CDS | TESDELL, LEIF T | 2016-10-12 |
| N0PLG | ROSKAM, JOHN R | 2021-09-07 |
| N0VPR | Reis, Thomas W | 2023-01-11 |
| N0WMU | BOTTORF, SCOTT A | 2023-03-14 |
| N0XWG | HOBBS, KEVIN M | 2013-04-27 |
| N1NJZ | CANTOR, DAVID E | 2012-07-25 |
| N9GAW | Greenwood, Geoffrey L | 2016-06-15 |
| W0DQ | DENNIS, RAYMOND C | 2016-04-12 |
| W0FHW | NORDELL, CURTIS D | 2017-03-29 |
| W0ZPM | Christensen, Robert H | 2021-08-03 |
| WA8EIK | LOWRY, GERALD P | 2023-01-13 |
| WB0THN | KROME, WILLIAM A | 2017-09-19 |
| WL7JB | BOWDRE, ROY C | 2014-07-15 |
