
| Call | Name | City | State | Class | Old Call | Effective Date | Expiration Date | Status |
|---|---|---|---|---|---|---|---|---|
| K0ZBA | LAUGHLIN, LONNIE C | POTRERO | CA | G | 06/14/2014 | 07/31/2024 | Active | |
| KA6BTD | KLASEN, JOSEPH B | POTRERO | CA | G | 05/11/1998 | 05/11/2008 | Expired | |
| KA6DTK | Manroe, Fred L | Potrero | CA | T | KN6DDV | 08/27/2019 | 08/27/2029 | Active |
| KE6YTM | MASTERS, RONALD G | POTRERO | CA | T | 10/04/2005 | 10/04/2015 | Expired | |
| KI6CTG | Hansen, Ken S | POTRERO | CA | G | 01/22/2018 | 03/07/2027 | Active | |
| KJ6EGM | Kjeldergaard-Lowe, Tiffani M | Potrero | CA | T | 12/14/2009 | 12/14/2019 | Expired | |
| KJ6EGN | Lowe, Stefan K | Potrero | CA | T | 12/14/2009 | 12/14/2019 | Expired | |
| KJ6EGX | Boryla, Edward J | Potrero | CA | T | 12/14/2009 | 12/14/2019 | Expired | |
| KJ6EGY | Burley-Boryla, Marilyn J | Potrero | CA | T | 12/14/2009 | 12/14/2019 | Expired | |
| KM6IUG | Uribe Jr, Roberto D | Potrero | CA | T | 03/06/2017 | 03/06/2027 | Active | |
| KN6DDV | Manroe, Fred L | Potrero | CA | T | 07/19/2019 | 07/19/2029 | Cancelled | |
| WB6TRQ | SCOTT, NORMAN A | POTRERO | CA | G | 12/05/2013 | 02/08/2024 | Active |