District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4ATG | 8 | 49 | 2027-02-28 | — | Active (Vanity) |
| K4ATH | 9 | 47 | 2032-04-02 | — | Active (Vanity) |
| K4ATI | 10 | 43 | 2024-07-25 | 2026-07-26 | Available |
| K4ATJ | 10 | 53 | 2027-01-07 | — | Active (Vanity) |
| K4ATK | 9 | 49 | 2030-10-28 | — | Active (Vanity) |
| K4ATL | 9 | 49 | 2031-02-26 | — | Active (Vanity) |
| K4ATM | 8 | 47 | 2033-07-02 | — | Active (Vanity) |
| K4ATN | 10 | 45 | 2033-10-13 | — | Active (Vanity) |
| K4ATO | 9 | 51 | 2029-05-14 | — | Active (Vanity) |
| K4ATP | 9 | 51 | 2034-03-26 | — | Active (Vanity) |
| K4ATQ | 9 | 53 | 2031-05-18 | — | Active (Vanity) |
| K4ATR | 10 | 47 | 2031-09-27 | — | Active (Vanity) |
| K4ATS | 10 | 45 | 2027-09-18 | — | Active (Vanity) |
| K4ATT | 9 | 43 | 2033-11-17 | — | Active (Vanity) |
| K4ATU | 10 | 47 | — | — | Available |
| K4ATV | 9 | 49 | 2033-05-06 | — | Active (Vanity) |
| K4ATW | 9 | 49 | — | — | Available |
| K4ATX | 9 | 51 | 2036-10-17 | — | Active (Vanity) |
| K4ATY | 9 | 53 | 2036-02-13 | — | Active (Vanity) |
| K4ATZ | 9 | 51 | 2032-03-23 | — | Active (Vanity) |
| K4AUA | 10 | 49 | — | — | Available |
| K4AUB | 10 | 53 | 2033-08-01 | — | Active (Vanity) |
| K4AUC | 10 | 55 | 2034-12-20 | — | Active (Vanity) |
| K4AUD | 10 | 51 | 2020-06-30 | 2022-07-01 | Available |
| K4AUE | 10 | 45 | — | — | Available |
| K4AUF | 10 | 53 | 2033-04-15 | — | Active (Vanity) |
| K4AUG | 9 | 53 | 2035-10-23 | — | Active (Vanity) |
| K4AUH | 10 | 51 | 2024-03-05 | 2026-03-06 | Available |
| K4AUI | 11 | 47 | — | — | Available |
| K4AUJ | 11 | 57 | 2005-11-28 | 2007-11-29 | Available |
| K4AUK | 10 | 53 | 2026-04-04 | — | Active |
| K4AUL | 10 | 53 | — | — | Available |
| K4AUM | 9 | 51 | — | — | Pending Application |
| K4AUN | 11 | 49 | 2004-05-24 | 2006-05-25 | Available |
| K4AUO | 10 | 55 | — | — | Available |
| K4AUP | 10 | 55 | 2026-11-04 | — | Active (Vanity) |
| K4AUQ | 10 | 57 | — | — | Available |
| K4AUR | 11 | 51 | 2033-07-28 | — | Active (Vanity) |
| K4AUS | 11 | 49 | 2028-11-25 | — | Active (Vanity) |
| K4AUT | 10 | 47 | — | — | Available |
| K4AUU | 11 | 51 | 2029-06-01 | — | Active (Vanity) |
| K4AUV | 10 | 53 | 2021-03-23 | 2023-03-24 | Available |
| K4AUW | 10 | 53 | 2013-10-05 | 2015-10-06 | Available |
| K4AUX | 10 | 55 | 2036-11-07 | — | Active (Vanity) |
| K4AUY | 10 | 57 | — | — | Available |
| K4AUZ | 10 | 55 | — | — | Available |
| K4AVA | 9 | 51 | 2031-06-29 | — | Active (Vanity) |
| K4AVB | 9 | 55 | 2005-01-26 | 2007-01-27 | Available |
| K4AVC | 9 | 57 | 2026-03-27 | — | Active |
| K4AVD | 9 | 53 | 2036-01-24 | — | Active (Vanity) |
| K4AVE | 9 | 47 | 2028-02-23 | — | Active (Vanity) |
| K4AVF | 9 | 55 | 2035-06-21 | — | Active |
| K4AVG | 8 | 55 | 2036-06-19 | — | Active (Vanity) |
| K4AVH | 9 | 53 | 2031-09-21 | — | Active (Vanity) |
| K4AVI | 10 | 49 | 2036-09-30 | — | Active (Vanity) |
| K4AVJ | 10 | 59 | 2021-09-21 | 2023-09-22 | Available |
| K4AVK | 9 | 55 | 2030-02-15 | — | Active (Vanity) |
| K4AVL | 9 | 55 | 2027-05-12 | — | Active (Vanity) |
| K4AVM | 8 | 53 | 2027-07-18 | — | Active (Vanity) |
| K4AVN | 10 | 51 | 2033-02-18 | — | Active (Vanity) |
| K4AVO | 9 | 57 | 2029-03-25 | — | Active (Vanity) |
| K4AVP | 9 | 57 | 2032-01-11 | — | Active (Vanity) |
| K4AVQ | 9 | 59 | 2004-10-08 | 2006-10-09 | Available |
| K4AVR | 10 | 53 | 2033-04-05 | — | Active (Vanity) |
| K4AVS | 10 | 51 | 2027-07-21 | — | Active (Vanity) |
| K4AVT | 9 | 49 | 2023-04-07 | 2025-04-08 | Available |
| K4AVU | 10 | 53 | 2022-08-18 | 2024-08-19 | Available |
| K4AVV | 9 | 55 | — | — | Available |
| K4AVW | 9 | 55 | 2036-12-19 | — | Active (Vanity) |
| K4AVX | 9 | 57 | 2025-11-28 | — | Active |
| K4AVY | 9 | 59 | 2029-04-08 | — | Active (Vanity) |
| K4AVZ | 9 | 57 | — | — | Available |
| K4AWA | 9 | 51 | 2028-12-01 | — | Active (Vanity) |
| K4AWB | 9 | 55 | 2026-05-21 | — | Active |
| K4AWC | 9 | 57 | 2033-02-26 | — | Active (Vanity) |
| K4AWD | 9 | 53 | 2033-06-06 | — | Active (Vanity) |
| K4AWE | 9 | 47 | 2035-01-11 | — | Active (Vanity) |
| K4AWF | 9 | 55 | 2036-05-12 | — | Active (Vanity) |
| K4AWG | 8 | 55 | 2032-06-19 | — | Active (Vanity) |
| K4AWH | 9 | 53 | 2034-04-23 | — | Active (Vanity) |
| K4AWI | 10 | 49 | 2024-04-12 | 2026-04-13 | Available |
| K4AWJ | 10 | 59 | 2027-04-18 | — | Active (Vanity) |
| K4AWK | 9 | 55 | 2033-06-23 | — | Active (Vanity) |
| K4AWL | 9 | 55 | 2035-05-29 | — | Active (Vanity) |
| K4AWM | 8 | 53 | 2036-11-14 | — | Active (Vanity) |
| K4AWN | 10 | 51 | 2030-05-19 | — | Active (Vanity) |
| K4AWO | 9 | 57 | 2029-02-22 | — | Active (Vanity) |
| K4AWP | 9 | 57 | 2014-08-23 | 2016-08-24 | Available |
| K4AWQ | 9 | 59 | — | — | Available |
| K4AWR | 10 | 53 | 2024-03-22 | 2026-03-23 | Available |
| K4AWS | 10 | 51 | 2033-11-09 | — | Active (Vanity) |
| K4AWT | 9 | 49 | 2035-01-31 | — | Active (Vanity) |
| K4AWU | 10 | 53 | 2026-04-08 | — | Active (Vanity) |
| K4AWV | 9 | 55 | — | — | Available |
| K4AWW | 9 | 55 | — | — | Available |
| K4AWX | 9 | 57 | — | — | Available |
| K4AWY | 9 | 59 | 2026-10-02 | 2028-10-03 | Canceled (grace period) |
| K4AWZ | 9 | 57 | 2027-02-06 | — | Active |
| K4AXA | 9 | 53 | 2026-05-27 | — | Active (Vanity) |
| K4AXB | 9 | 57 | 2031-08-28 | — | Active (Vanity) |