District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4IHK | 10 | 51 | — | — | Available |
| K4IHL | 10 | 51 | 2003-06-22 | 2005-06-23 | Available |
| K4IHM | 9 | 49 | 2008-03-14 | 2010-03-15 | Available |
| K4IHN | 11 | 47 | 1999-06-02 | 2001-06-03 | Available |
| K4IHO | 10 | 53 | — | — | Available |
| K4IHP | 10 | 53 | — | — | Available |
| K4IHQ | 10 | 55 | 2017-12-04 | 2019-12-05 | Available |
| K4IHR | 11 | 49 | 2018-05-11 | 2020-05-12 | Available |
| K4IHS | 11 | 47 | 2029-06-06 | — | Active (Vanity) |
| K4IHT | 10 | 45 | 2007-05-30 | 2009-05-31 | Available |
| K4IHU | 11 | 49 | — | — | Available |
| K4IHV | 10 | 51 | — | — | Available |
| K4IHW | 10 | 51 | 2005-08-25 | 2007-08-26 | Available |
| K4IHX | 10 | 53 | — | — | Available |
| K4IHY | 10 | 55 | 2027-10-03 | — | Active |
| K4IHZ | 10 | 53 | — | — | Available |
| K4IIA | 11 | 43 | 2032-09-29 | — | Active (Vanity) |
| K4IIB | 11 | 47 | 2036-09-18 | — | Active (Vanity) |
| K4IIC | 11 | 49 | 2017-12-23 | 2019-12-24 | Available |
| K4IID | 11 | 45 | 2018-02-26 | 2020-02-27 | Available |
| K4IIE | 11 | 39 | 2031-11-29 | — | Active (Vanity) |
| K4IIF | 11 | 47 | 2014-05-31 | 2016-06-01 | Available |
| K4IIG | 10 | 47 | 2031-10-26 | — | Active (Vanity) |
| K4IIH | 11 | 45 | — | — | Available |
| K4III | 12 | 41 | 2029-01-28 | — | Active (Vanity) |
| K4IIJ | 12 | 51 | 2005-04-18 | 2007-04-19 | Available |
| K4IIK | 11 | 47 | — | — | Available |
| K4IIL | 11 | 47 | — | — | Available |
| K4IIM | 10 | 45 | — | — | Available |
| K4IIN | 12 | 43 | 2029-10-18 | — | Active (Vanity) |
| K4IIO | 11 | 49 | 2012-06-26 | 2014-06-27 | Available |
| K4IIP | 11 | 49 | — | — | Available |
| K4IIQ | 11 | 51 | — | — | Available |
| K4IIR | 12 | 45 | — | — | Available |
| K4IIS | 12 | 43 | 2026-11-26 | — | Active (Vanity) |
| K4IIT | 11 | 41 | — | — | Available |
| K4IIU | 12 | 45 | — | — | Available |
| K4IIV | 11 | 47 | — | — | Available |
| K4IIW | 11 | 47 | — | — | Available |
| K4IIX | 11 | 49 | — | — | Available |
| K4IIY | 11 | 51 | 2028-02-23 | — | Active (Vanity) |
| K4IIZ | 11 | 49 | 2026-03-31 | — | Active |
| K4IJA | 11 | 53 | 2022-12-14 | 2024-12-15 | Available |
| K4IJB | 11 | 57 | — | — | Available |
| K4IJC | 11 | 59 | — | — | Available |
| K4IJD | 11 | 55 | 2035-07-05 | — | Active |
| K4IJE | 11 | 49 | 2005-11-28 | 2007-11-29 | Available |
| K4IJF | 11 | 57 | 2036-03-31 | — | Active (Vanity) |
| K4IJG | 10 | 57 | 2014-04-05 | 2016-04-06 | Available |
| K4IJH | 11 | 55 | — | — | Available |
| K4IJI | 12 | 51 | — | — | Available |
| K4IJJ | 12 | 61 | 2017-11-28 | 2019-11-29 | Available |
| K4IJK | 11 | 57 | 2022-07-21 | 2024-07-22 | Available |
| K4IJL | 11 | 57 | — | — | Available |
| K4IJM | 10 | 55 | — | — | Available |
| K4IJN | 12 | 53 | 2020-08-05 | 2022-08-06 | Available |
| K4IJO | 11 | 59 | 2034-10-06 | — | Active |
| K4IJP | 11 | 59 | — | — | Available |
| K4IJQ | 11 | 61 | 2035-02-14 | — | Active |
| K4IJR | 12 | 55 | 1997-10-06 | 1999-10-07 | Available |
| K4IJS | 12 | 53 | 2019-03-24 | 2021-03-25 | Available |
| K4IJT | 11 | 51 | — | — | Available |
| K4IJU | 12 | 55 | 2030-07-03 | — | Active (Vanity) |
| K4IJV | 11 | 57 | 2017-02-14 | 2019-02-15 | Available |
| K4IJW | 11 | 57 | 2026-02-17 | — | Active (Vanity) |
| K4IJX | 11 | 59 | — | — | Available |
| K4IJY | 11 | 61 | 2021-07-09 | 2023-07-10 | Available |
| K4IJZ | 11 | 59 | — | — | Available |
| K4IKA | 10 | 49 | 2026-07-24 | — | Active |
| K4IKB | 10 | 53 | 2000-01-30 | 2002-01-31 | Available |
| K4IKC | 10 | 55 | 2014-03-22 | 2016-03-23 | Available |
| K4IKD | 10 | 51 | — | — | Available |
| K4IKE | 10 | 45 | 2035-06-09 | — | Active (Vanity) |
| K4IKF | 10 | 53 | — | — | Available |
| K4IKG | 9 | 53 | — | — | Available |
| K4IKH | 10 | 51 | — | — | Available |
| K4IKI | 11 | 47 | — | — | Available |
| K4IKJ | 11 | 57 | — | — | Available |
| K4IKK | 10 | 53 | — | — | Available |
| K4IKL | 10 | 53 | — | — | Available |
| K4IKM | 9 | 51 | 2015-08-25 | 2017-08-26 | Available |
| K4IKN | 11 | 49 | 2030-05-19 | — | Active (Vanity) |
| K4IKO | 10 | 55 | 2028-01-26 | — | Active (Vanity) |
| K4IKP | 10 | 55 | — | — | Available |
| K4IKQ | 10 | 57 | — | — | Available |
| K4IKR | 11 | 51 | 2036-08-02 | — | Active (Vanity) |
| K4IKS | 11 | 49 | 1997-10-27 | 1999-10-28 | Available |
| K4IKT | 10 | 47 | 2027-05-20 | — | Active (Vanity) |
| K4IKU | 11 | 51 | — | — | Available |
| K4IKV | 10 | 53 | 2014-03-22 | 2016-03-23 | Available |
| K4IKW | 10 | 53 | — | — | Available |
| K4IKX | 10 | 55 | — | — | Available |
| K4IKY | 10 | 57 | 2033-08-15 | — | Active (Vanity) |
| K4IKZ | 10 | 55 | 2032-03-08 | — | Active (Vanity) |
| K4ILA | 10 | 49 | 2028-01-12 | — | Active |
| K4ILB | 10 | 53 | 2004-03-15 | 2006-03-16 | Available |
| K4ILC | 10 | 55 | 2014-12-22 | 2016-12-23 | Available |
| K4ILD | 10 | 51 | — | — | Available |
| K4ILE | 10 | 45 | — | — | Available |
| K4ILF | 10 | 53 | 2004-11-21 | 2006-11-22 | Available |