
| Call | Name | City | State | Class | Old Call | Effective Date | Expiration Date | Status |
|---|---|---|---|---|---|---|---|---|
| K4UP | Castalia Island DX Association | Castalia | NC | KG4GBE | 01/28/2020 | 02/15/2030 | Active | |
| KE4LXW | Winner, Fred P | Castalia | NC | G | 03/11/2014 | 05/24/2024 | Active | |
| KF4IHO | WINNER, JASON P | CASTALIA | NC | T | 12/16/2016 | 12/16/2026 | Active | |
| KF4MLL | AYSCUE, KAREN A | CASTALIA | NC | T | 10/12/2016 | 10/12/2026 | Active | |
| KF4NOV | Hasal, Ulrich A | CASTALIA | NC | G | 12/06/2006 | 12/02/2016 | Expired | |
| KF4OFQ | CARPENTER, LISA W | CASTALIA | NC | T | 12/16/2016 | 01/07/2027 | Active | |
| KF4TXA | WINNER, TIMOTHY A | CASTALIA | NC | T | 10/07/2017 | 12/01/2027 | Active | |
| KF4USU | WILDER, SUSAN W | CASTALIA | NC | T | 01/11/2018 | 01/10/2028 | Active | |
| KG4GBE | Castalia Island DX Association | Castalia | NC | 01/21/2000 | 01/21/2010 | Cancelled | ||
| KI4THZ | Keller, Robert R | Castalia | NC | G | WB4WPC | 02/05/2007 | 03/21/2017 | Cancelled |
| KI4VAK | Martin, Philip E | Castalia | NC | G | 02/14/2017 | 04/10/2027 | Active | |
| KL0IP | WINNER, BRIAN K | CASTALIA | NC | T | 01/27/2018 | 02/21/2028 | Active | |
| KN4CSH | Lewis, Robert P | CASTALIA | NC | T | 04/20/2017 | 04/20/2027 | Active | |
| WB4WPC | Keller, Robert R | Castalia | NC | G | 03/21/1997 | 03/21/2007 | Cancelled | |
| WB4WPC | Keller, Robert R | Castalia | NC | G | KI4THZ | 04/03/2007 | 04/03/2017 | Expired |