District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4HSA | 10 | 49 | — | — | Available |
| K4HSB | 10 | 53 | 2035-02-27 | — | Active |
| K4HSC | 10 | 55 | 2028-10-19 | — | Active (Vanity) |
| K4HSD | 10 | 51 | 2022-05-12 | 2024-05-13 | Available |
| K4HSE | 10 | 45 | 1998-05-17 | 2000-05-18 | Available |
| K4HSF | 10 | 53 | 2006-11-05 | 2008-11-06 | Available |
| K4HSG | 9 | 53 | 2027-10-07 | — | Active (Vanity) |
| K4HSH | 10 | 51 | — | — | Available |
| K4HSI | 11 | 47 | 2030-11-09 | — | Active (Vanity) |
| K4HSJ | 11 | 57 | 2014-12-29 | 2016-12-30 | Available |
| K4HSK | 10 | 53 | 2024-04-12 | 2026-04-13 | Available |
| K4HSL | 10 | 53 | — | — | Available |
| K4HSM | 9 | 51 | 2029-08-02 | — | Active (Vanity) |
| K4HSN | 11 | 49 | 2032-08-05 | — | Active (Vanity) |
| K4HSO | 10 | 55 | 2031-08-14 | — | Active (Vanity) |
| K4HSP | 10 | 55 | — | — | Available |
| K4HSQ | 10 | 57 | 2009-05-01 | 2011-05-02 | Available |
| K4HSR | 11 | 51 | — | — | Available |
| K4HSS | 11 | 49 | — | — | Available |
| K4HST | 10 | 47 | 2036-01-21 | — | Active (Vanity) |
| K4HSU | 11 | 51 | — | — | Available |
| K4HSV | 10 | 53 | 2036-11-21 | — | Active (Vanity) |
| K4HSW | 10 | 53 | 2033-11-15 | — | Active (Vanity) |
| K4HSX | 10 | 55 | — | — | Available |
| K4HSY | 10 | 57 | — | — | Available |
| K4HSZ | 10 | 55 | 2005-02-17 | 2007-02-18 | Available |
| K4HTA | 9 | 47 | 2030-02-13 | — | Active |
| K4HTB | 9 | 51 | 2018-04-22 | 2020-04-23 | Available |
| K4HTC | 9 | 53 | 2035-09-13 | — | Active (Vanity) |
| K4HTD | 9 | 49 | 2014-09-09 | 2016-09-10 | Available |
| K4HTE | 9 | 43 | — | — | Available |
| K4HTF | 9 | 51 | 2034-11-05 | — | Active (Vanity) |
| K4HTG | 8 | 51 | — | — | Available |
| K4HTH | 9 | 49 | 2030-04-18 | — | Active (Vanity) |
| K4HTI | 10 | 45 | 2027-10-06 | — | Active |
| K4HTJ | 10 | 55 | 2023-09-21 | 2025-09-22 | Available |
| K4HTK | 9 | 51 | — | — | Available |
| K4HTL | 9 | 51 | — | — | Available |
| K4HTM | 8 | 49 | 2019-01-25 | 2021-01-26 | Available |
| K4HTN | 10 | 47 | — | — | Available |
| K4HTO | 9 | 53 | 2031-04-26 | — | Active (Vanity) |
| K4HTP | 9 | 53 | — | — | Available |
| K4HTQ | 9 | 55 | 2006-05-03 | 2008-05-04 | Available |
| K4HTR | 10 | 49 | 2032-04-21 | — | Active (Vanity) |
| K4HTS | 10 | 47 | 1999-08-04 | 2001-08-05 | Available |
| K4HTT | 9 | 45 | 2027-10-03 | — | Active (Vanity) |
| K4HTU | 10 | 49 | 2000-11-13 | 2002-11-14 | Available |
| K4HTV | 9 | 51 | 2021-11-05 | 2023-11-06 | Available |
| K4HTW | 9 | 51 | — | — | Available |
| K4HTX | 9 | 53 | — | — | Available |
| K4HTY | 9 | 55 | 2018-07-08 | 2020-07-09 | Available |
| K4HTZ | 9 | 53 | 2030-08-18 | — | Active (Vanity) |
| K4HUA | 10 | 51 | — | — | Available |
| K4HUB | 10 | 55 | 2030-07-24 | — | Active |
| K4HUC | 10 | 57 | — | — | Available |
| K4HUD | 10 | 53 | 2036-07-31 | — | Active |
| K4HUE | 10 | 47 | 2035-03-22 | — | Active (Vanity) |
| K4HUF | 10 | 55 | 2017-12-18 | 2019-12-19 | Available |
| K4HUG | 9 | 55 | 2031-08-31 | — | Active (Vanity) |
| K4HUH | 10 | 53 | 2031-08-31 | — | Active (Vanity) |
| K4HUI | 11 | 49 | 2008-07-21 | 2010-07-22 | Available |
| K4HUJ | 11 | 59 | — | — | Available |
| K4HUK | 10 | 55 | 2036-10-04 | — | Active (Vanity) |
| K4HUL | 10 | 55 | — | — | Available |
| K4HUM | 9 | 53 | 2030-09-26 | — | Active (Vanity) |
| K4HUN | 11 | 51 | 2031-07-12 | — | Active (Vanity) |
| K4HUO | 10 | 57 | 2023-08-31 | 2025-09-01 | Available |
| K4HUP | 10 | 57 | 2018-02-12 | 2020-02-13 | Available |
| K4HUQ | 10 | 59 | — | — | Available |
| K4HUR | 11 | 53 | — | — | Available |
| K4HUS | 11 | 51 | 2018-11-05 | 2020-11-06 | Available |
| K4HUT | 10 | 49 | 2019-04-24 | 2021-04-25 | Available |
| K4HUU | 11 | 53 | 2015-01-31 | 2017-02-01 | Available |
| K4HUV | 10 | 55 | — | — | Available |
| K4HUW | 10 | 55 | 2013-07-06 | 2015-07-07 | Available |
| K4HUX | 10 | 57 | — | — | Available |
| K4HUY | 10 | 59 | 2022-04-12 | 2024-04-13 | Available |
| K4HUZ | 10 | 57 | — | — | Available |
| K4HVA | 9 | 53 | 2032-08-16 | — | Active |
| K4HVB | 9 | 57 | 2015-03-17 | 2017-03-18 | Available |
| K4HVC | 9 | 59 | 2031-09-14 | — | Active (Vanity) |
| K4HVD | 9 | 55 | 2017-02-25 | 2019-02-26 | Available |
| K4HVE | 9 | 49 | 2008-08-18 | 2010-08-19 | Available |
| K4HVF | 9 | 57 | 2031-06-21 | — | Active (Vanity) |
| K4HVG | 8 | 57 | 2001-06-04 | 2003-06-05 | Available |
| K4HVH | 9 | 55 | 2028-03-02 | — | Active |
| K4HVI | 10 | 51 | 2003-08-31 | 2005-09-01 | Available |
| K4HVJ | 10 | 61 | 2026-09-20 | — | Active (Vanity) |
| K4HVK | 9 | 57 | 2017-10-01 | 2019-10-02 | Available |
| K4HVL | 9 | 57 | 2007-12-05 | 2009-12-06 | Available |
| K4HVM | 8 | 55 | — | — | Available |
| K4HVN | 10 | 53 | 2023-09-29 | 2025-09-30 | Available |
| K4HVO | 9 | 59 | — | — | Available |
| K4HVP | 9 | 59 | — | — | Available |
| K4HVQ | 9 | 61 | 2003-11-09 | 2005-11-10 | Available |
| K4HVR | 10 | 55 | 2035-01-11 | — | Active (Vanity) |
| K4HVS | 10 | 53 | — | — | Available |
| K4HVT | 9 | 51 | — | — | Available |
| K4HVU | 10 | 55 | — | — | Available |
| K4HVV | 9 | 57 | 2003-07-31 | 2005-08-01 | Available |