District 3
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K3SBK | 10 | 57 | — | — | Available |
| K3SBL | 10 | 57 | — | — | Available |
| K3SBM | 9 | 55 | — | — | Available |
| K3SBN | 11 | 53 | — | — | Available |
| K3SBO | 10 | 59 | — | — | Available |
| K3SBP | 10 | 59 | 2035-02-08 | — | Active (Vanity) |
| K3SBQ | 10 | 61 | 2017-06-11 | 2019-06-12 | Available |
| K3SBR | 11 | 55 | — | — | Available |
| K3SBS | 11 | 53 | — | — | Available |
| K3SBT | 10 | 51 | — | — | Available |
| K3SBU | 11 | 55 | 2028-04-21 | — | Active (Vanity) |
| K3SBV | 10 | 57 | 2026-06-04 | — | Active |
| K3SBW | 10 | 57 | 1998-08-16 | 2000-08-17 | Available |
| K3SBX | 10 | 59 | 2034-05-03 | — | Active (Vanity) |
| K3SBY | 10 | 61 | — | — | Available |
| K3SBZ | 10 | 59 | 2026-02-18 | — | Active (Vanity) |
| K3SCA | 10 | 55 | 2025-09-10 | — | Active (Vanity) |
| K3SCB | 10 | 59 | — | — | Available |
| K3SCC | 10 | 61 | 1998-08-16 | 2000-08-17 | Available |
| K3SCD | 10 | 57 | 2035-07-11 | — | Active (Vanity) |
| K3SCE | 10 | 51 | — | — | Available |
| K3SCF | 10 | 59 | — | — | Available |
| K3SCG | 9 | 59 | 2030-05-12 | — | Active (Vanity) |
| K3SCH | 10 | 57 | 2031-04-03 | — | Active (Vanity) |
| K3SCI | 11 | 53 | — | — | Available |
| K3SCJ | 11 | 63 | — | — | Available |
| K3SCK | 10 | 59 | — | — | Available |
| K3SCL | 10 | 59 | 2026-08-09 | — | Active (Vanity) |
| K3SCM | 9 | 57 | 2035-07-10 | — | Active |
| K3SCN | 11 | 55 | — | — | Available |
| K3SCO | 10 | 61 | 2036-03-18 | — | Active (Vanity) |
| K3SCP | 10 | 61 | 2003-08-09 | 2005-08-10 | Available |
| K3SCQ | 10 | 63 | — | — | Available |
| K3SCR | 11 | 57 | 2031-02-17 | — | Active (Vanity) |
| K3SCS | 11 | 55 | 2007-11-28 | 2009-11-29 | Available |
| K3SCT | 10 | 53 | — | — | Available |
| K3SCU | 11 | 57 | — | — | Available |
| K3SCV | 10 | 59 | 2028-01-16 | — | Active |
| K3SCW | 10 | 59 | — | — | Available |
| K3SCX | 10 | 61 | — | — | Available |
| K3SCY | 10 | 63 | — | — | Available |
| K3SCZ | 10 | 61 | — | — | Available |
| K3SDA | 10 | 51 | — | — | Available |
| K3SDB | 10 | 55 | — | — | Available |
| K3SDC | 10 | 57 | — | — | Available |
| K3SDD | 10 | 53 | — | — | Available |
| K3SDE | 10 | 47 | — | — | Available |
| K3SDF | 10 | 55 | 2032-04-15 | — | Active (Vanity) |
| K3SDG | 9 | 55 | 2012-03-28 | 2014-03-29 | Available |
| K3SDH | 10 | 53 | 2021-01-05 | 2023-01-06 | Available |
| K3SDI | 11 | 49 | — | — | Available |
| K3SDJ | 11 | 59 | — | — | Available |
| K3SDK | 10 | 55 | — | — | Available |
| K3SDL | 10 | 55 | 2031-07-09 | — | Active (Vanity) |
| K3SDM | 9 | 53 | 2031-01-29 | — | Active (Vanity) |
| K3SDN | 11 | 51 | 2028-01-08 | — | Active |
| K3SDO | 10 | 57 | — | — | Available |
| K3SDP | 10 | 57 | — | — | Available |
| K3SDQ | 10 | 59 | — | — | Available |
| K3SDR | 11 | 53 | 2025-03-16 | — | Active |
| K3SDS | 11 | 51 | 2028-07-11 | — | Active (Vanity) |
| K3SDT | 10 | 49 | — | — | Available |
| K3SDU | 11 | 53 | — | — | Available |
| K3SDV | 10 | 55 | — | — | Available |
| K3SDW | 10 | 55 | 2027-09-12 | — | Active (Vanity) |
| K3SDX | 10 | 57 | — | — | Available |
| K3SDY | 10 | 59 | 2006-06-18 | 2008-06-19 | Available |
| K3SDZ | 10 | 57 | — | — | Available |
| K3SEA | 10 | 45 | 2029-05-29 | — | Active (Vanity) |
| K3SEB | 10 | 49 | 2036-05-10 | — | Active (Vanity) |
| K3SEC | 10 | 51 | 1997-10-13 | 1999-10-14 | Available |
| K3SED | 10 | 47 | 2026-04-16 | — | Active (Vanity) |
| K3SEE | 10 | 41 | 2031-01-08 | — | Active (Vanity) |
| K3SEF | 10 | 49 | — | — | Available |
| K3SEG | 9 | 49 | — | — | Available |
| K3SEH | 10 | 47 | 2031-01-15 | — | Active |
| K3SEI | 11 | 43 | — | — | Available |
| K3SEJ | 11 | 53 | — | — | Available |
| K3SEK | 10 | 49 | 2008-08-10 | 2010-08-11 | Available |
| K3SEL | 10 | 49 | — | — | Available |
| K3SEM | 9 | 47 | 2030-07-25 | — | Active (Vanity) |
| K3SEN | 11 | 45 | 2033-08-27 | — | Active (Vanity) |
| K3SEO | 10 | 51 | — | — | Available |
| K3SEP | 10 | 51 | — | — | Available |
| K3SEQ | 10 | 53 | — | — | Available |
| K3SER | 11 | 47 | 2023-02-10 | 2025-02-11 | Available |
| K3SES | 11 | 45 | — | — | Available |
| K3SET | 10 | 43 | — | — | Available |
| K3SEU | 11 | 47 | — | — | Available |
| K3SEV | 10 | 49 | 2034-09-10 | — | Active (Vanity) |
| K3SEW | 10 | 49 | 2024-08-31 | 2026-09-01 | Available |
| K3SEX | 10 | 51 | 2035-09-07 | — | Active (Vanity) |
| K3SEY | 10 | 53 | — | — | Available |
| K3SEZ | 10 | 51 | — | — | Available |
| K3SFA | 10 | 53 | — | — | Available |
| K3SFB | 10 | 57 | — | — | Available |
| K3SFC | 10 | 59 | 2025-04-30 | — | Active |
| K3SFD | 10 | 55 | 2036-01-08 | — | Active (Vanity) |
| K3SFE | 10 | 49 | — | — | Available |
| K3SFF | 10 | 57 | — | — | Available |