District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4TCJ | 10 | 59 | 2029-07-25 | — | Active (Vanity) |
| K4TCK | 9 | 55 | 2028-01-13 | — | Active (Vanity) |
| K4TCL | 9 | 55 | 2031-11-25 | — | Active (Vanity) |
| K4TCM | 8 | 53 | 2031-03-06 | — | Active (Vanity) |
| K4TCN | 10 | 51 | 2007-10-15 | 2009-10-16 | Available |
| K4TCO | 9 | 57 | 2029-03-22 | — | Active (Vanity) |
| K4TCP | 9 | 57 | 2029-11-03 | — | Active (Vanity) |
| K4TCQ | 9 | 59 | — | — | Available |
| K4TCR | 10 | 53 | 2021-08-26 | 2023-08-27 | Available |
| K4TCS | 10 | 51 | 2027-09-09 | — | Active (Vanity) |
| K4TCT | 9 | 49 | 2024-03-22 | 2026-03-23 | Available |
| K4TCU | 10 | 53 | 2016-09-29 | 2018-09-30 | Available |
| K4TCV | 9 | 55 | 2025-12-05 | — | Active |
| K4TCW | 9 | 55 | 2030-12-08 | — | Active (Vanity) |
| K4TCX | 9 | 57 | 2032-12-30 | — | Active (Vanity) |
| K4TCY | 9 | 59 | — | — | Available |
| K4TCZ | 9 | 57 | 1998-03-15 | 2000-03-16 | Available |
| K4TDA | 9 | 47 | 2027-02-25 | — | Active (Vanity) |
| K4TDB | 9 | 51 | 2033-08-06 | — | Active (Vanity) |
| K4TDC | 9 | 53 | 2024-07-16 | 2026-07-17 | Available |
| K4TDD | 9 | 49 | 2032-10-19 | — | Active (Vanity) |
| K4TDE | 9 | 43 | — | — | Available |
| K4TDF | 9 | 51 | — | — | Available |
| K4TDG | 8 | 51 | 2027-01-30 | — | Active |
| K4TDH | 9 | 49 | — | — | Available |
| K4TDI | 10 | 45 | 2030-03-17 | — | Active (Vanity) |
| K4TDJ | 10 | 55 | 2016-07-31 | 2018-08-01 | Available |
| K4TDK | 9 | 51 | — | — | Available |
| K4TDL | 9 | 51 | 2027-08-22 | — | Active (Vanity) |
| K4TDM | 8 | 49 | 2032-12-21 | — | Active (Vanity) |
| K4TDN | 10 | 47 | — | — | Available |
| K4TDO | 9 | 53 | 2030-08-01 | — | Active (Vanity) |
| K4TDP | 9 | 53 | 2031-10-05 | — | Active (Vanity) |
| K4TDQ | 9 | 55 | — | — | Available |
| K4TDR | 10 | 49 | 2028-07-08 | — | Active (Vanity) |
| K4TDS | 10 | 47 | 2036-11-04 | — | Active (Vanity) |
| K4TDT | 9 | 45 | 2018-07-17 | 2020-07-18 | Available |
| K4TDU | 10 | 49 | — | — | Available |
| K4TDV | 9 | 51 | 2035-04-07 | — | Active (Vanity) |
| K4TDW | 9 | 51 | 2027-09-11 | — | Active (Vanity) |
| K4TDX | 9 | 53 | 2026-08-07 | 2028-08-08 | Canceled (grace period) |
| K4TDY | 9 | 55 | 2028-12-15 | — | Active (Vanity) |
| K4TDZ | 9 | 53 | — | — | Available |
| K4TEA | 9 | 41 | 2035-01-17 | — | Active |
| K4TEB | 9 | 45 | 2031-02-04 | — | Active (Vanity) |
| K4TEC | 9 | 47 | 2031-01-07 | — | Active (Vanity) |
| K4TED | 9 | 43 | 2028-12-30 | — | Active (Vanity) |
| K4TEE | 9 | 37 | 2027-09-17 | — | Active (Vanity) |
| K4TEF | 9 | 45 | 2027-06-27 | — | Active (Vanity) |
| K4TEG | 8 | 45 | 2028-06-19 | — | Active (Vanity) |
| K4TEH | 9 | 43 | 2028-05-16 | — | Active (Vanity) |
| K4TEI | 10 | 39 | 2036-01-03 | — | Active (Vanity) |
| K4TEJ | 10 | 49 | — | — | Available |
| K4TEK | 9 | 45 | 2032-11-04 | — | Active (Vanity) |
| K4TEL | 9 | 45 | 2028-05-24 | — | Active (Vanity) |
| K4TEM | 8 | 43 | 2035-05-02 | — | Active (Vanity) |
| K4TEN | 10 | 41 | 2029-03-11 | — | Active (Vanity) |
| K4TEO | 9 | 47 | — | — | Available |
| K4TEP | 9 | 47 | 2029-09-29 | — | Active (Vanity) |
| K4TEQ | 9 | 49 | — | — | Available |
| K4TER | 10 | 43 | 2029-10-27 | — | Active (Vanity) |
| K4TES | 10 | 41 | 2034-08-23 | — | Active (Vanity) |
| K4TET | 9 | 39 | 2034-12-24 | — | Active (Vanity) |
| K4TEU | 10 | 43 | 2028-10-29 | — | Active (Vanity) |
| K4TEV | 9 | 45 | 2017-01-21 | 2019-01-22 | Available |
| K4TEW | 9 | 45 | 2025-10-16 | — | Active (Vanity) |
| K4TEX | 9 | 47 | 2029-08-07 | — | Active (Vanity) |
| K4TEY | 9 | 49 | 2029-12-31 | — | Active (Vanity) |
| K4TEZ | 9 | 47 | 2030-03-24 | — | Active (Vanity) |
| K4TFA | 9 | 49 | 2028-11-01 | — | Active (Vanity) |
| K4TFB | 9 | 53 | — | — | Available |
| K4TFC | 9 | 55 | 2028-09-02 | — | Active (Vanity) |
| K4TFD | 9 | 51 | 2024-08-16 | 2026-08-17 | Available |
| K4TFE | 9 | 45 | — | — | Available |
| K4TFF | 9 | 53 | — | — | Available |
| K4TFG | 8 | 53 | — | — | Available |
| K4TFH | 9 | 51 | 2028-02-06 | — | Active (Vanity) |
| K4TFI | 10 | 47 | 2023-06-08 | 2025-06-09 | Available |
| K4TFJ | 10 | 57 | 2033-04-30 | — | Active (Vanity) |
| K4TFK | 9 | 53 | 2017-09-03 | 2019-09-04 | Available |
| K4TFL | 9 | 53 | 2023-06-02 | 2025-06-03 | Available |
| K4TFM | 8 | 51 | — | — | Available |
| K4TFN | 10 | 49 | — | — | Available |
| K4TFO | 9 | 55 | 2007-06-09 | 2009-06-10 | Available |
| K4TFP | 9 | 55 | — | — | Available |
| K4TFQ | 9 | 57 | — | — | Available |
| K4TFR | 10 | 51 | 2026-04-25 | — | Active (Vanity) |
| K4TFS | 10 | 49 | 2018-11-06 | 2020-11-07 | Available |
| K4TFT | 9 | 47 | 2031-11-22 | — | Active (Vanity) |
| K4TFU | 10 | 51 | — | — | Available |
| K4TFV | 9 | 53 | — | — | Available |
| K4TFW | 9 | 53 | 2023-02-19 | 2025-02-20 | Available |
| K4TFX | 9 | 55 | — | — | Available |
| K4TFY | 9 | 57 | 2022-03-27 | 2024-03-28 | Available |
| K4TFZ | 9 | 55 | — | — | Available |
| K4TGA | 8 | 49 | 2029-10-16 | — | Active (Vanity) |
| K4TGB | 8 | 53 | 2035-06-24 | — | Active (Vanity) |
| K4TGC | 8 | 55 | 2027-11-25 | — | Active (Vanity) |
| K4TGD | 8 | 51 | — | — | Available |
| K4TGE | 8 | 45 | — | — | Available |