The Federal Communications Commission (FCC) has granted a total of 25 licenses and call signs in the category of Amateur license in Mars, Pennsylvania. 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 |
|---|---|---|
| AJ2T | HACKE, JOSEPH F | 2014-01-18 |
| K2FS | GALITSIS, CONSTANTINE D | 2016-10-03 |
| K3DCG | KALAN, ROBERT J | 2018-04-24 |
| K3SDN | CROOP, HOWARD W | 2017-12-05 |
| KB3UQV | Marquardt, Christopher D | 2010-06-10 |
| KB3USW | James, Robert L | 2020-05-26 |
| KB3YBS | Fowler, John R | 2012-02-15 |
| KC3CDY | Medvitz Sr, Robert J | 2014-02-24 |
| KC3FSW | Noorda, Bryan P | 2015-10-22 |
| KC3HIF | Moretto-Medvitz, Cynthia A | 2016-06-20 |
| KC3HZM | Zerbe, Benjamin A | 2016-10-20 |
| KC3IPV | Covaleski, David G | 2017-02-24 |
| KC3IWU | Jones, Donald R | 2017-03-22 |
| KC3JOR | Bowers, Curtis N | 2017-07-27 |
| KC3LYS | Davis, Andrew J | 2018-08-21 |
| KC5CF | CROSSON, JAY G | 2005-05-17 |
| N2MA | Houston, Harry A | 2016-05-17 |
| N3IEA | NAGEL, THOMAS F | 2012-02-09 |
| N3MLN | RYAN, JAMES R | 2012-05-15 |
| N3PDH | MALESKY, DANIEL C | 2014-03-20 |
| N3RYJ | SERUSET, JEFFREY G | 2014-03-28 |
| N3VVR | STANCIL, MICHAEL A | 2005-05-03 |
| W3QJA | HORNICK, RAYMOND J | 2006-11-16 |
| WA3BIW | ROLAND, C DAVID | 2014-08-19 |
| WA3MFA | NAGEL, FRANCIS D | 2016-02-25 |
