| Call | Name | City | State | Class | Old Call | Effective Date | Expiration Date | Status |
|---|---|---|---|---|---|---|---|---|
| K3PMO | REEDER, GEORGE E | SWARTHMORE | PA | T | 08/30/2005 | 11/28/2015 | Expired | |
| K3ZFC | MOSSMAN, HOWARD M | SWARTHMORE | PA | A | 12/04/2007 | 11/01/2016 | Expired | |
| KA3KXG | GONZALEZ, KENNETH L | SWARTHMORE | PA | T | 06/22/2016 | 06/22/2026 | Active | |
| KB3DGY | KORMANICKI, DAVID W | SWARTHMORE | PA | P | 12/18/1998 | 12/18/2008 | Cancelled | |
| KB3EBF | CODY, WILLIAM S | SWARTHMORE | PA | G | 11/22/2019 | 11/22/2029 | Active | |
| KB3ERX | Miyasaka, Kiyoyuki | Swarthmore | PA | N | 03/22/2000 | 03/22/2010 | Expired | |
| KB3FFY | Mizumori, Michelle M | Swarthmore | PA | T | 06/27/2000 | 06/27/2010 | Expired | |
| KB3IVO | Gillham, Sean M | Swarthmore | PA | T | 12/06/2002 | 12/06/2012 | Expired | |
| KB3KCR | Browne, Kevin P | Swarthmore | PA | G | 12/31/2013 | 12/31/2023 | Active | |
| KB3SWJ | Hughes, Jason E | Swarthmore | PA | T | 05/06/2009 | 05/06/2019 | Cancelled | |
| KB3VFI | Chenkin, Sarah W | Swarthmore | PA | T | 08/03/2020 | 10/21/2030 | Active | |
| KB3VFM | Kennedy, Donald W | Swarthmore | PA | T | 10/21/2010 | 10/21/2020 | Expired | |
| KC3BGV | DI NARDO, STEPHEN | SWARTHMORE | PA | T | 09/16/2013 | 09/16/2023 | Active | |
| KC3GDW | Bortkiewicz, Feliks J | Swarthmore | PA | E | 12/14/2015 | 12/14/2025 | Cancelled | |
| KC3OEF | Crawford, Thomas N | Swarthmore | PA | T | 10/11/2019 | 10/11/2029 | Active | |
| KC8SXJ | Jenkins, Samuel M | Swarthmore | PA | T | 03/29/2022 | 03/29/2032 | Active | |
| KD5CFX | WASHINGTON, JONATHAN N | Swarthmore | PA | G | 08/22/2017 | 09/19/2027 | Active | |
| N3GSD | FERRARI, JOHN S | SWARTHMORE | PA | E | 07/24/2013 | 10/19/2023 | Active | |
| N3NZ | ZEIBARI, NOEL | Swarthmore | PA | E | N3IKJ | 12/05/2016 | 02/12/2027 | Active |
| N3OAB | BROWER JR, JAMES M | SWARTHMORE | PA | G | 12/01/2012 | 02/05/2023 | Active | |
| W3AJ | SWARTHMORE COLLEGE AMAT RAD CLB | Swarthmore | PA | 05/30/2014 | 08/24/2024 | Active | ||
| W3FJB | Bortkiewicz, Feliks J | Swarthmore | PA | E | KC3GDW | 06/13/2017 | 06/13/2027 | Active |
| WA3RYH | EASTBURN, DONALD | Swarthmore | PA | E | 12/29/2016 | 12/29/2026 | Active | |
| WA3WSS | CRABTREE, CARL D | SWARTHMORE | PA | G | 07/14/2015 | 07/14/2025 | Active |