District 1
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K1SBK | 10 | 61 | — | — | Available |
| K1SBL | 10 | 61 | 2031-06-02 | — | Active (Vanity) |
| K1SBM | 9 | 59 | 2009-06-15 | 2011-06-16 | Available |
| K1SBN | 11 | 57 | — | — | Available |
| K1SBO | 10 | 63 | 2026-09-15 | — | Active |
| K1SBP | 10 | 63 | 2019-01-17 | 2021-01-18 | Available |
| K1SBQ | 10 | 65 | — | — | Available |
| K1SBR | 11 | 59 | — | — | Available |
| K1SBS | 11 | 57 | — | — | Available |
| K1SBT | 10 | 55 | — | — | Available |
| K1SBU | 11 | 59 | — | — | Available |
| K1SBV | 10 | 61 | — | — | Available |
| K1SBW | 10 | 61 | — | — | Available |
| K1SBX | 10 | 63 | 2031-03-09 | — | Active (Vanity) |
| K1SBY | 10 | 65 | 2036-02-26 | — | Active (Vanity) |
| K1SBZ | 10 | 63 | — | — | Available |
| K1SCA | 10 | 59 | 2021-12-06 | 2023-12-07 | Available |
| K1SCB | 10 | 63 | — | — | Available |
| K1SCC | 10 | 65 | 2028-07-08 | — | Active (Vanity) |
| K1SCD | 10 | 61 | 2036-07-29 | — | Active (Vanity) |
| K1SCE | 10 | 55 | 2030-08-29 | — | Active (Vanity) |
| K1SCF | 10 | 63 | — | — | Available |
| K1SCG | 9 | 63 | — | — | Available |
| K1SCH | 10 | 61 | 2028-09-05 | — | Active (Vanity) |
| K1SCI | 11 | 57 | 2035-03-20 | — | Active (Vanity) |
| K1SCJ | 11 | 67 | 2027-02-12 | — | Active |
| K1SCK | 10 | 63 | — | — | Available |
| K1SCL | 10 | 63 | 2035-06-02 | — | Active (Vanity) |
| K1SCM | 9 | 61 | 2017-04-11 | 2019-04-12 | Available |
| K1SCN | 11 | 59 | 2035-05-27 | — | Active (Vanity) |
| K1SCO | 10 | 65 | 2032-10-25 | — | Active (Vanity) |
| K1SCP | 10 | 65 | 2006-08-07 | 2008-08-08 | Available |
| K1SCQ | 10 | 67 | 2034-10-26 | — | Active (Vanity) |
| K1SCR | 11 | 61 | 2029-12-24 | — | Active (Vanity) |
| K1SCS | 11 | 59 | 2029-03-26 | — | Active (Vanity) |
| K1SCT | 10 | 57 | 2030-10-02 | — | Active (Vanity) |
| K1SCU | 11 | 61 | — | — | Available |
| K1SCV | 10 | 63 | 2034-11-21 | — | Active (Vanity) |
| K1SCW | 10 | 63 | — | — | Available |
| K1SCX | 10 | 65 | 2036-03-20 | — | Active (Vanity) |
| K1SCY | 10 | 67 | — | — | Available |
| K1SCZ | 10 | 65 | — | — | Available |
| K1SDA | 10 | 55 | 2017-06-22 | 2019-06-23 | Available |
| K1SDB | 10 | 59 | 2033-03-22 | — | Active (Vanity) |
| K1SDC | 10 | 61 | 2036-04-01 | — | Active |
| K1SDD | 10 | 57 | — | — | Available |
| K1SDE | 10 | 51 | 2029-06-10 | — | Active (Vanity) |
| K1SDF | 10 | 59 | 2019-01-29 | 2021-01-30 | Available |
| K1SDG | 9 | 59 | 2036-05-05 | — | Active (Vanity) |
| K1SDH | 10 | 57 | 2019-11-02 | 2021-11-03 | Available |
| K1SDI | 11 | 53 | — | — | Available |
| K1SDJ | 11 | 63 | 2027-11-10 | — | Active (Vanity) |
| K1SDK | 10 | 59 | — | — | Available |
| K1SDL | 10 | 59 | 2033-06-22 | — | Active (Vanity) |
| K1SDM | 9 | 57 | 2027-07-21 | — | Active (Vanity) |
| K1SDN | 11 | 55 | 2033-07-13 | — | Active (Vanity) |
| K1SDO | 10 | 61 | — | — | Available |
| K1SDP | 10 | 61 | — | — | Available |
| K1SDQ | 10 | 63 | — | — | Available |
| K1SDR | 11 | 57 | 2033-02-16 | — | Active (Vanity) |
| K1SDS | 11 | 55 | 2025-06-14 | 2027-06-15 | Canceled (grace period) |
| K1SDT | 10 | 53 | 2017-03-12 | 2019-03-13 | Available |
| K1SDU | 11 | 57 | — | — | Available |
| K1SDV | 10 | 59 | 2016-01-30 | 2018-01-31 | Available |
| K1SDW | 10 | 59 | — | — | Available |
| K1SDX | 10 | 61 | 2035-10-20 | — | Active (Vanity) |
| K1SDY | 10 | 63 | — | — | Available |
| K1SDZ | 10 | 61 | — | — | Available |
| K1SEA | 10 | 49 | 2032-01-06 | — | Active (Vanity) |
| K1SEB | 10 | 53 | 2028-10-12 | — | Active (Vanity) |
| K1SEC | 10 | 55 | 2035-09-20 | — | Active |
| K1SED | 10 | 51 | 2031-12-10 | — | Active (Vanity) |
| K1SEE | 10 | 45 | — | — | Available |
| K1SEF | 10 | 53 | 2018-11-14 | 2020-11-15 | Available |
| K1SEG | 9 | 53 | — | — | Available |
| K1SEH | 10 | 51 | 2022-06-28 | 2024-06-29 | Available |
| K1SEI | 11 | 47 | 2035-05-02 | — | Active (Vanity) |
| K1SEJ | 11 | 57 | — | — | Available |
| K1SEK | 10 | 53 | — | — | Available |
| K1SEL | 10 | 53 | 2030-02-28 | — | Active (Vanity) |
| K1SEM | 9 | 51 | 2026-02-27 | 2028-02-28 | Canceled (grace period) |
| K1SEN | 11 | 49 | — | — | Available |
| K1SEO | 10 | 55 | 2027-10-21 | — | Active |
| K1SEP | 10 | 55 | — | — | Available |
| K1SEQ | 10 | 57 | — | — | Available |
| K1SER | 11 | 51 | 2035-04-29 | — | Active (Vanity) |
| K1SES | 11 | 49 | 2035-11-25 | — | Active (Vanity) |
| K1SET | 10 | 47 | 2028-05-23 | — | Active (Vanity) |
| K1SEU | 11 | 51 | — | — | Available |
| K1SEV | 10 | 53 | 2005-11-30 | 2007-12-01 | Available |
| K1SEW | 10 | 53 | 2028-02-26 | — | Active (Vanity) |
| K1SEX | 10 | 55 | 2024-11-25 | — | Active (Vanity) |
| K1SEY | 10 | 57 | — | — | Available |
| K1SEZ | 10 | 55 | 2025-01-11 | — | Active (Vanity) |
| K1SFA | 10 | 57 | 2036-04-11 | — | Active (Vanity) |
| K1SFB | 10 | 61 | 2007-06-19 | 2009-06-20 | Available |
| K1SFC | 10 | 63 | 2029-07-27 | — | Active (Vanity) |
| K1SFD | 10 | 59 | 2036-05-27 | — | Active (Vanity) |
| K1SFE | 10 | 53 | — | — | Available |
| K1SFF | 10 | 61 | — | — | Available |