District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4TRT | 10 | 45 | 2033-05-06 | — | Active (Vanity) |
| K4TRU | 11 | 49 | 2027-10-27 | — | Active (Vanity) |
| K4TRV | 10 | 51 | 2034-04-23 | — | Active (Vanity) |
| K4TRW | 10 | 51 | 2033-05-07 | — | Active (Vanity) |
| K4TRX | 10 | 53 | 2028-02-01 | — | Active (Vanity) |
| K4TRY | 10 | 55 | 2015-04-30 | 2017-05-01 | Available |
| K4TRZ | 10 | 53 | 2026-04-12 | — | Active |
| K4TSA | 10 | 45 | 2019-10-22 | 2021-10-23 | Available |
| K4TSB | 10 | 49 | 2015-07-23 | 2017-07-24 | Available |
| K4TSC | 10 | 51 | 2029-05-27 | — | Active |
| K4TSD | 10 | 47 | 2029-02-10 | — | Active (Vanity) |
| K4TSE | 10 | 41 | — | — | Available |
| K4TSF | 10 | 49 | 2024-03-05 | 2026-03-06 | Available |
| K4TSG | 9 | 49 | 2032-04-26 | — | Active (Vanity) |
| K4TSH | 10 | 47 | 2029-03-26 | — | Active (Vanity) |
| K4TSI | 11 | 43 | 2036-12-12 | — | Active |
| K4TSJ | 11 | 53 | 2031-03-29 | — | Active (Vanity) |
| K4TSK | 10 | 49 | 2029-11-23 | — | Active (Vanity) |
| K4TSL | 10 | 49 | 2013-03-11 | 2015-03-12 | Available |
| K4TSM | 9 | 47 | 2031-02-23 | — | Active (Vanity) |
| K4TSN | 11 | 45 | 2035-03-07 | — | Active (Vanity) |
| K4TSO | 10 | 51 | 2032-02-22 | — | Active (Vanity) |
| K4TSP | 10 | 51 | 2032-03-29 | — | Active (Vanity) |
| K4TSQ | 10 | 53 | 2017-03-20 | 2019-03-21 | Available |
| K4TSR | 11 | 47 | 2028-06-08 | — | Active (Vanity) |
| K4TSS | 11 | 45 | 2034-06-11 | — | Active (Vanity) |
| K4TST | 10 | 43 | — | — | Available |
| K4TSU | 11 | 47 | 2030-08-28 | — | Active (Vanity) |
| K4TSV | 10 | 49 | 2007-02-20 | 2009-02-21 | Available |
| K4TSW | 10 | 49 | 2024-07-09 | 2026-07-10 | Available |
| K4TSX | 10 | 51 | 2030-06-30 | — | Active (Vanity) |
| K4TSY | 10 | 53 | 2024-03-22 | 2026-03-23 | Available |
| K4TSZ | 10 | 51 | 2016-06-06 | 2018-06-07 | Available |
| K4TTA | 9 | 43 | 2025-02-24 | — | Active |
| K4TTB | 9 | 47 | 2033-03-03 | — | Active (Vanity) |
| K4TTC | 9 | 49 | 2022-04-03 | 2024-04-04 | Available |
| K4TTD | 9 | 45 | 2032-06-07 | — | Active (Vanity) |
| K4TTE | 9 | 39 | 2030-01-05 | — | Active (Vanity) |
| K4TTF | 9 | 47 | 2035-07-18 | — | Active (Vanity) |
| K4TTG | 8 | 47 | 2034-02-13 | — | Active (Vanity) |
| K4TTH | 9 | 45 | — | — | Available |
| K4TTI | 10 | 41 | 2034-06-21 | — | Active (Vanity) |
| K4TTJ | 10 | 51 | 2029-02-26 | — | Active (Vanity) |
| K4TTK | 9 | 47 | — | — | Available |
| K4TTL | 9 | 47 | 2036-03-31 | — | Active (Vanity) |
| K4TTM | 8 | 45 | 2032-02-23 | — | Active (Vanity) |
| K4TTN | 10 | 43 | 2032-11-11 | — | Active (Vanity) |
| K4TTO | 9 | 49 | 2027-10-24 | — | Active |
| K4TTP | 9 | 49 | 2029-06-21 | — | Active (Vanity) |
| K4TTQ | 9 | 51 | — | — | Available |
| K4TTR | 10 | 45 | 2028-10-10 | — | Active (Vanity) |
| K4TTS | 10 | 43 | 2036-04-12 | — | Active (Vanity) |
| K4TTT | 9 | 41 | 2031-03-19 | — | Active (Vanity) |
| K4TTU | 10 | 45 | 2027-02-22 | — | Active (Vanity) |
| K4TTV | 9 | 47 | — | — | Available |
| K4TTW | 9 | 47 | 2027-05-26 | — | Active (Vanity) |
| K4TTX | 9 | 49 | 2035-11-24 | — | Active (Vanity) |
| K4TTY | 9 | 51 | 2028-08-10 | — | Active (Vanity) |
| K4TTZ | 9 | 49 | 2029-07-14 | — | Active (Vanity) |
| K4TUA | 10 | 47 | — | — | Available |
| K4TUB | 10 | 51 | — | — | Available |
| K4TUC | 10 | 53 | 2030-03-21 | — | Active (Vanity) |
| K4TUD | 10 | 49 | — | — | Available |
| K4TUE | 10 | 43 | 2031-12-11 | — | Active (Vanity) |
| K4TUF | 10 | 51 | 2029-11-16 | — | Active (Vanity) |
| K4TUG | 9 | 51 | 2027-08-14 | — | Active (Vanity) |
| K4TUH | 10 | 49 | — | — | Available |
| K4TUI | 11 | 45 | — | — | Available |
| K4TUJ | 11 | 55 | — | — | Available |
| K4TUK | 10 | 51 | 2033-04-14 | — | Active (Vanity) |
| K4TUL | 10 | 51 | 2031-04-13 | — | Active (Vanity) |
| K4TUM | 9 | 49 | — | — | Available |
| K4TUN | 11 | 47 | 2024-11-21 | — | Active |
| K4TUO | 10 | 53 | — | — | Available |
| K4TUP | 10 | 53 | — | — | Available |
| K4TUQ | 10 | 55 | 2026-01-16 | — | Active |
| K4TUR | 11 | 49 | — | — | Available |
| K4TUS | 11 | 47 | — | — | Available |
| K4TUT | 10 | 45 | 2035-03-28 | — | Active (Vanity) |
| K4TUU | 11 | 49 | 2035-10-16 | — | Active |
| K4TUV | 10 | 51 | — | — | Available |
| K4TUW | 10 | 51 | 2029-04-30 | — | Active (Vanity) |
| K4TUX | 10 | 53 | 2033-05-03 | — | Active (Vanity) |
| K4TUY | 10 | 55 | — | — | Available |
| K4TUZ | 10 | 53 | 2036-06-05 | — | Active |
| K4TVA | 9 | 49 | 2026-03-08 | — | Active (Vanity) |
| K4TVB | 9 | 53 | — | — | Available |
| K4TVC | 9 | 55 | 2028-07-12 | — | Active (Vanity) |
| K4TVD | 9 | 51 | — | — | Available |
| K4TVE | 9 | 45 | 2034-03-22 | — | Active |
| K4TVF | 9 | 53 | — | — | Available |
| K4TVG | 8 | 53 | — | — | Available |
| K4TVH | 9 | 51 | — | — | Available |
| K4TVI | 10 | 47 | 2030-04-20 | — | Active |
| K4TVJ | 10 | 57 | — | — | Available |
| K4TVK | 9 | 53 | — | — | Available |
| K4TVL | 9 | 53 | 2027-10-06 | — | Active |
| K4TVM | 8 | 51 | 2009-12-25 | 2011-12-26 | Available |
| K4TVN | 10 | 49 | — | — | Available |
| K4TVO | 9 | 55 | 2034-06-26 | — | Active (Vanity) |