District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4KQY | 9 | 67 | — | — | Available |
| K4KQZ | 9 | 65 | 2027-03-02 | — | Active (Vanity) |
| K4KRA | 10 | 53 | 2032-07-10 | — | Active (Vanity) |
| K4KRB | 10 | 57 | 2035-02-25 | — | Active (Vanity) |
| K4KRC | 10 | 59 | 2026-10-12 | — | Active (Vanity) |
| K4KRD | 10 | 55 | 2035-04-18 | — | Active (Vanity) |
| K4KRE | 10 | 49 | 2035-08-02 | — | Active |
| K4KRF | 10 | 57 | — | — | Available |
| K4KRG | 9 | 57 | 2031-02-23 | — | Active (Vanity) |
| K4KRH | 10 | 55 | 2035-01-25 | — | Active (Vanity) |
| K4KRI | 11 | 51 | — | — | Available |
| K4KRJ | 11 | 61 | 2025-10-21 | — | Active |
| K4KRK | 10 | 57 | 2032-11-24 | — | Active (Vanity) |
| K4KRL | 10 | 57 | 2024-10-25 | 2026-10-26 | Available |
| K4KRM | 9 | 55 | 2022-04-03 | 2024-04-04 | Available |
| K4KRN | 11 | 53 | 2024-10-28 | 2026-10-29 | Available |
| K4KRO | 10 | 59 | 2027-05-01 | — | Active (Vanity) |
| K4KRP | 10 | 59 | 2027-09-30 | — | Active |
| K4KRQ | 10 | 61 | 2035-12-13 | — | Active (Vanity) |
| K4KRR | 11 | 55 | 2019-03-05 | 2021-03-06 | Available |
| K4KRS | 11 | 53 | 2033-03-13 | — | Active (Vanity) |
| K4KRT | 10 | 51 | 2033-01-28 | — | Active (Vanity) |
| K4KRU | 11 | 55 | 2024-07-09 | 2026-07-10 | Available |
| K4KRV | 10 | 57 | 2031-01-29 | — | Active (Vanity) |
| K4KRW | 10 | 57 | 2027-03-06 | — | Active (Vanity) |
| K4KRX | 10 | 59 | 2034-09-14 | — | Active (Vanity) |
| K4KRY | 10 | 61 | 2017-10-11 | 2019-10-12 | Available |
| K4KRZ | 10 | 59 | 2029-02-10 | — | Active (Vanity) |
| K4KSA | 10 | 51 | 2028-01-07 | — | Active (Vanity) |
| K4KSB | 10 | 55 | 2035-02-04 | — | Active (Vanity) |
| K4KSC | 10 | 57 | 2033-11-04 | — | Active (Vanity) |
| K4KSD | 10 | 53 | 2007-02-20 | 2009-02-21 | Available |
| K4KSE | 10 | 47 | 2006-03-14 | 2008-03-15 | Available |
| K4KSF | 10 | 55 | 2015-02-22 | 2017-02-23 | Available |
| K4KSG | 9 | 55 | 2027-10-31 | — | Active (Vanity) |
| K4KSH | 10 | 53 | 2025-04-04 | — | Active |
| K4KSI | 11 | 49 | 2033-09-12 | — | Active (Vanity) |
| K4KSJ | 11 | 59 | — | — | Available |
| K4KSK | 10 | 55 | — | — | Available |
| K4KSL | 10 | 55 | 2033-04-27 | — | Active |
| K4KSM | 9 | 53 | 2031-05-21 | — | Active |
| K4KSN | 11 | 51 | 2007-02-14 | 2009-02-15 | Available |
| K4KSO | 10 | 57 | 2026-05-09 | — | Active |
| K4KSP | 10 | 57 | 2036-10-21 | — | Active (Vanity) |
| K4KSQ | 10 | 59 | 2029-05-23 | — | Active (Vanity) |
| K4KSR | 11 | 53 | 2034-09-09 | — | Active |
| K4KSS | 11 | 51 | 2027-03-30 | — | Active (Vanity) |
| K4KST | 10 | 49 | 2029-04-01 | — | Active (Vanity) |
| K4KSU | 11 | 53 | 2035-02-07 | — | Active |
| K4KSV | 10 | 55 | 2028-01-09 | — | Active |
| K4KSW | 10 | 55 | 2036-06-17 | — | Active (Vanity) |
| K4KSX | 10 | 57 | 2028-05-11 | — | Active |
| K4KSY | 10 | 59 | 2016-07-29 | 2018-07-30 | Available |
| K4KSZ | 10 | 57 | — | — | Available |
| K4KTA | 9 | 49 | — | — | Available |
| K4KTB | 9 | 53 | 2024-12-12 | — | Active |
| K4KTC | 9 | 55 | 2029-07-02 | — | Active (Vanity) |
| K4KTD | 9 | 51 | — | — | Available |
| K4KTE | 9 | 45 | — | — | Available |
| K4KTF | 9 | 53 | 2031-05-18 | — | Active (Vanity) |
| K4KTG | 8 | 53 | 2029-03-10 | — | Active (Vanity) |
| K4KTH | 9 | 51 | 2029-08-02 | — | Active (Vanity) |
| K4KTI | 10 | 47 | — | — | Available |
| K4KTJ | 10 | 57 | — | — | Available |
| K4KTK | 9 | 53 | 2031-02-23 | — | Active (Vanity) |
| K4KTL | 9 | 53 | 2030-02-07 | — | Active (Vanity) |
| K4KTM | 8 | 51 | 2029-12-12 | — | Active |
| K4KTN | 10 | 49 | 2029-01-08 | — | Active |
| K4KTO | 9 | 55 | 2034-09-24 | — | Active (Vanity) |
| K4KTP | 9 | 55 | 2028-06-26 | — | Active |
| K4KTQ | 9 | 57 | 2015-04-25 | 2017-04-26 | Available |
| K4KTR | 10 | 51 | 2034-01-28 | — | Active (Vanity) |
| K4KTS | 10 | 49 | 2027-06-02 | — | Active (Vanity) |
| K4KTT | 9 | 47 | 2027-02-13 | — | Active (Vanity) |
| K4KTU | 10 | 51 | — | — | Available |
| K4KTV | 9 | 53 | — | — | Available |
| K4KTW | 9 | 53 | 2028-12-03 | — | Active |
| K4KTX | 9 | 55 | 2026-11-04 | — | Active (Vanity) |
| K4KTY | 9 | 57 | 2021-04-30 | 2023-05-01 | Available |
| K4KTZ | 9 | 55 | 2035-05-29 | — | Active (Vanity) |
| K4KUA | 10 | 53 | — | — | Available |
| K4KUB | 10 | 57 | 2036-11-10 | — | Active (Vanity) |
| K4KUC | 10 | 59 | 2003-11-16 | 2005-11-17 | Available |
| K4KUD | 10 | 55 | — | — | Available |
| K4KUE | 10 | 49 | — | — | Available |
| K4KUF | 10 | 57 | — | — | Available |
| K4KUG | 9 | 57 | 2018-01-22 | 2020-01-23 | Available |
| K4KUH | 10 | 55 | 2005-02-10 | 2007-02-11 | Available |
| K4KUI | 11 | 51 | — | — | Available |
| K4KUJ | 11 | 61 | 2027-11-14 | — | Active |
| K4KUK | 10 | 57 | — | — | Available |
| K4KUL | 10 | 57 | 2005-04-11 | 2007-04-12 | Available |
| K4KUM | 9 | 55 | 2027-04-16 | — | Active |
| K4KUN | 11 | 53 | 2022-04-19 | 2024-04-20 | Available |
| K4KUO | 10 | 59 | 2034-03-06 | — | Active |
| K4KUP | 10 | 59 | 2025-05-26 | — | Active |
| K4KUQ | 10 | 61 | 2033-10-13 | — | Active (Vanity) |
| K4KUR | 11 | 55 | — | — | Available |
| K4KUS | 11 | 53 | 2028-03-23 | — | Active (Vanity) |
| K4KUT | 10 | 51 | 2028-12-18 | — | Active (Vanity) |