| Call | Name | City | State | Class | Old Call | Effective Date | Expiration Date | Status |
|---|---|---|---|---|---|---|---|---|
| AB4BW | Wilson, Benjamin P | COLUMBIA | SC | E | KD4YSM | 11/28/2017 | 01/23/2028 | Active |
| AF7LC | Warren, Eugene B | Columbia | SC | E | 09/17/2014 | 09/17/2024 | Cancelled | |
| AG2G | LEVINSON, HARRIS | COLUMBIA | SC | E | 09/14/2000 | 11/06/2010 | Cancelled | |
| K4AXV | Seibels Sr, John P | Columbia | SC | E | 12/05/2016 | 02/10/2027 | Active | |
| K4HXO | STARLING JR, ALFRED J | COLUMBIA | SC | A | 11/06/2013 | 01/18/2024 | Active | |
| K4IFF | STARLING, VERLIN L | COLUMBIA | SC | G | 01/24/2007 | 01/24/2017 | Expired | |
| K8SOR | HALL II, CHARLES E | COLUMBIA | SC | E | 07/21/2012 | 10/06/2022 | Active | |
| KA4RKV | HARDAWAY, JOHN F | COLUMBIA | SC | G | 06/10/2005 | 07/17/2015 | Expired | |
| KC4MNJ | Lyon IV, James F | Columbia | SC | G | 12/27/2012 | 03/23/2023 | Active | |
| KC4RSO | ABRAMS, ANDREW T | COLUMBIA | SC | T | 08/25/2000 | 09/04/2010 | Expired | |
| KC5EGT | WHITEHOUSE, MATTHEW R | COLUMBIA | SC | G | 11/18/2013 | 11/23/2023 | Active | |
| KD4HQA | SMITH, PEGGY W | COLUMBIA | SC | T | 01/05/2012 | 02/11/2022 | Active | |
| KD4HQB | SMITH JR, WILLIAM T | COLUMBIA | SC | T | 01/05/2012 | 01/28/2022 | Active | |
| KE4HIB | GREENE, GEOFFREY D | COLUMBIA | SC | G | 01/21/2015 | 02/15/2024 | Active | |
| KF4TZV | PRUITT, KRISTI L | COLUMBIA | SC | T | 09/06/2007 | 09/19/2017 | Expired | |
| KG4DBB | LOGAN, KONNI J | COLUMBIA | SC | T | 02/13/2009 | 04/30/2019 | Expired | |
| KG4KGL | JENKINS, ROBERT S | FOREST ACRES | SC | E | 11/13/2020 | 11/02/2030 | Active | |
| KI4JPM | Saunders, Jack P | Columbia | SC | T | 04/11/2005 | 04/11/2015 | Expired | |
| KI4KQW | Anderson, Jay R | Columbia | SC | T | 06/16/2005 | 06/16/2015 | Cancelled | |
| KI4MYN | Capell, R A | COLUMBIA | SC | T | 12/01/2015 | 12/19/2025 | Active | |
| KJ4ABG | Getz, Peter M | Columbia | SC | T | 10/22/2007 | 10/22/2017 | Expired | |
| KJ4ABJ | Conroy, Michael J | FOREST ACRES | SC | T | 10/06/2017 | 10/22/2027 | Active | |
| KJ4BCN | Gilchrist, Felton R | Columbia | SC | T | 12/14/2007 | 12/14/2017 | Expired | |
| KJ4BCX | Spencer, Caldwell E | Columbia | SC | T | 12/14/2007 | 12/14/2017 | Expired | |
| KJ4FEU | Hoover, Jeffrey M | Columbia | SC | T | 05/11/2018 | 07/15/2028 | Active | |
| KJ4IIP | Shoults, Cheryl R | Columbia | SC | T | 12/11/2008 | 12/11/2018 | Expired | |
| KJ4LLM | MC FARLAND, ARTHUR J | COLUMBIA | SC | T | 04/21/2009 | 04/21/2019 | Expired | |
| KK4CRR | Eastman, Caroline M | Columbia | SC | G | 06/11/2021 | 06/16/2031 | Active | |
| KK4ECZ | Meyer, Austin E | Columbia | SC | T | 09/16/2011 | 09/16/2021 | Active | |
| KK4FBX | HYMAN, WILLIAM D | COLUMBIA | SC | E | 11/04/2011 | 11/04/2021 | Cancelled | |
| KK4MRH | Donelan, James A | Columbia | SC | G | 11/16/2012 | 11/16/2022 | Cancelled | |
| KK4RUA | TEIXEIRA, PAULO R | COLUMBIA | SC | T | 06/10/2013 | 06/10/2023 | Active | |
| KK4UAW | Glymph, Robert P | Columbia | SC | T | 09/19/2013 | 09/19/2023 | Active | |
| KM4WWF | Vieira, Rebecca J | Columbia | SC | T | 09/22/2016 | 09/22/2026 | Active | |
| KM4WWH | Vieira, Kassandra R | Columbia | SC | T | 09/22/2016 | 09/22/2026 | Active | |
| KN4DQ | EVANS JR, JAMES L | COLUMBIA | SC | A | WB3EVR | 12/20/2013 | 02/08/2024 | Active |
| KN4VEL | CHAK, ALEXANDER C | COLUMBIA | SC | T | 06/18/2019 | 06/18/2029 | Cancelled | |
| KO4CWP | WEBB, JOSEPH E | COLUMBIA | SC | T | 03/23/2020 | 03/23/2030 | Active | |
| KO4JU | GOLDBERG, BARNETT F | COLUMBIA | SC | A | KC4NNU | 09/17/1991 | 09/17/2001 | Expired |
| KO4RIY | Vaughan, Michael H | Columbia | SC | T | 06/21/2021 | 06/21/2031 | Cancelled | |
| KO4TJS | Bowman Jr, James A | Columbia | SC | T | 09/20/2021 | 09/20/2031 | Active | |
| KO4YNC | Greb, Stephen H | Columbia | SC | T | 03/14/2022 | 03/14/2032 | Active | |
| KQ4EFY | Nance, Timothy H | Columbia | SC | T | 11/08/2022 | 11/08/2032 | Active | |
| N4UQM | JOHNSON, JEFFERY P | Columbia | SC | E | 10/18/2013 | 10/18/2023 | Active | |
| N5LK | KLOTZ SR, LEIGH L | Columbia | SC | E | 09/08/2006 | 11/29/2016 | Expired | |
| W4BHB | HYMAN, WILLIAM D | COLUMBIA | SC | E | KK4FBX | 03/22/2014 | 03/22/2024 | Active |
| W4DQY | GUIGNARD, SANDERS R | COLUMBIA | SC | G | 05/20/2004 | 07/15/2014 | Expired | |
| W4HHZ | STARR, GORDON H | COLUMBIA | SC | A | 06/02/2006 | 08/28/2016 | Expired | |
| W4JAD | DANIEL, JAMES A | COLUMBIA | SC | G | KF4JOC | 09/17/2018 | 10/27/2028 | Active |
| W4JRA | ANDERSON, JAY R | COLUMBIA | SC | G | KI4KQW | 10/20/2015 | 01/06/2026 | Active |
| W4KNI | Donelan, James A | Columbia | SC | E | WD4KNI | 05/05/2015 | 05/05/2025 | Active |
| W4MAS | DOWDEY, HARVEY N | COLUMBIA | SC | G | 11/30/2006 | 02/20/2017 | Cancelled | |
| W4MHV | Vaughan, Michael H | Columbia | SC | T | KO4RIY | 07/09/2021 | 07/09/2031 | Active |
| W4MN | PALMETTO AMATEUR RADIO CLUB | COLUMBIA | SC | 03/15/2017 | 05/29/2027 | Active | ||
| W4PDI | BYRD SR, JOSEPH S | COLUMBIA | SC | G | 01/14/2004 | 04/12/2014 | Expired | |
| WA4DOF | CARAWAN, CHRISTOPHER C | COLUMBIA | SC | G | 06/01/2017 | 08/29/2027 | Active | |
| WA4UBG | HUDSON, CAROLYN B | COLUMBIA | SC | G | 02/18/2015 | 04/05/2025 | Active | |
| WB4CMU | FOWLER JR, THOMAS N | COLUMBIA | SC | G | 05/28/1997 | 05/28/2007 | Cancelled | |
| WD4IBE | WANNAMAKER, ROBERT L | COLUMBIA | SC | T | 07/24/2007 | 09/16/2017 | Expired | |
| WD4KNI | Donelan, James A | Columbia | SC | E | KK4MRH | 12/18/2012 | 12/18/2022 | Cancelled |
| WD4LED | ROSS, STEVEN A | Columbia | SC | E | 01/23/2018 | 04/20/2028 | Active | |
| WH6GHO | Welsh, Andrew J | Columbia | SC | T | 02/20/2020 | 02/20/2030 | Active |