District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4WUN | 11 | 53 | 1999-02-14 | 2001-02-15 | Available |
| K4WUO | 10 | 59 | — | — | Available |
| K4WUP | 10 | 59 | — | — | Available |
| K4WUQ | 10 | 61 | — | — | Available |
| K4WUR | 11 | 55 | — | — | Available |
| K4WUS | 11 | 53 | 2027-03-10 | — | Active |
| K4WUT | 10 | 51 | 2034-04-23 | — | Active (Vanity) |
| K4WUU | 11 | 55 | — | — | Available |
| K4WUV | 10 | 57 | — | — | Available |
| K4WUW | 10 | 57 | — | — | Available |
| K4WUX | 10 | 59 | 2007-01-17 | 2009-01-18 | Available |
| K4WUY | 10 | 61 | — | — | Available |
| K4WUZ | 10 | 59 | — | — | Available |
| K4WVA | 9 | 55 | 2030-07-23 | — | Active (Vanity) |
| K4WVB | 9 | 59 | — | — | Available |
| K4WVC | 9 | 61 | — | — | Available |
| K4WVD | 9 | 57 | — | — | Available |
| K4WVE | 9 | 51 | — | — | Available |
| K4WVF | 9 | 59 | 2028-05-08 | — | Active (Vanity) |
| K4WVG | 8 | 59 | 2031-02-05 | — | Active (Vanity) |
| K4WVH | 9 | 57 | — | — | Available |
| K4WVI | 10 | 53 | — | — | Available |
| K4WVJ | 10 | 63 | — | — | Available |
| K4WVK | 9 | 59 | — | — | Available |
| K4WVL | 9 | 59 | 2035-01-24 | — | Active (Vanity) |
| K4WVM | 8 | 57 | — | — | Available |
| K4WVN | 10 | 55 | — | — | Available |
| K4WVO | 9 | 61 | — | — | Available |
| K4WVP | 9 | 61 | — | — | Available |
| K4WVQ | 9 | 63 | 2025-02-09 | — | Active |
| K4WVR | 10 | 57 | 2029-11-20 | — | Active (Vanity) |
| K4WVS | 10 | 55 | 2024-12-08 | — | Active |
| K4WVT | 9 | 53 | — | — | Available |
| K4WVU | 10 | 57 | 2026-09-20 | — | Active |
| K4WVV | 9 | 59 | — | — | Available |
| K4WVW | 9 | 59 | — | — | Available |
| K4WVX | 9 | 61 | 2006-08-06 | 2008-08-07 | Available |
| K4WVY | 9 | 63 | — | — | Available |
| K4WVZ | 9 | 61 | 2028-10-30 | — | Active (Vanity) |
| K4WWA | 9 | 55 | 2028-11-24 | — | Active (Vanity) |
| K4WWB | 9 | 59 | 2031-04-06 | — | Active (Vanity) |
| K4WWC | 9 | 61 | 2030-08-10 | — | Active (Vanity) |
| K4WWD | 9 | 57 | 2029-11-06 | — | Active (Vanity) |
| K4WWE | 9 | 51 | 2034-12-03 | — | Active (Vanity) |
| K4WWF | 9 | 59 | 2028-07-28 | — | Active (Vanity) |
| K4WWG | 8 | 59 | — | — | Available |
| K4WWH | 9 | 57 | — | — | Available |
| K4WWI | 10 | 53 | 2031-05-25 | — | Active (Vanity) |
| K4WWJ | 10 | 63 | 2023-07-12 | 2025-07-13 | Available |
| K4WWK | 9 | 59 | 2035-03-07 | — | Active (Vanity) |
| K4WWL | 9 | 59 | 2028-03-21 | — | Active (Vanity) |
| K4WWM | 8 | 57 | 2016-02-22 | 2018-02-23 | Available |
| K4WWN | 10 | 55 | 2025-03-21 | — | Active |
| K4WWO | 9 | 61 | — | — | Available |
| K4WWP | 9 | 61 | 2029-03-23 | — | Active (Vanity) |
| K4WWQ | 9 | 63 | 2029-08-21 | — | Active (Vanity) |
| K4WWR | 10 | 57 | 2027-02-28 | — | Active (Vanity) |
| K4WWS | 10 | 55 | 2029-05-05 | — | Active (Vanity) |
| K4WWT | 9 | 53 | 2027-03-20 | — | Active (Vanity) |
| K4WWU | 10 | 57 | — | — | Available |
| K4WWV | 9 | 59 | 2034-11-26 | — | Active (Vanity) |
| K4WWW | 9 | 59 | 2027-10-14 | — | Active (Vanity) |
| K4WWX | 9 | 61 | 2027-12-27 | — | Active (Vanity) |
| K4WWY | 9 | 63 | 2027-10-21 | — | Active |
| K4WWZ | 9 | 61 | 2022-06-16 | 2024-06-17 | Available |
| K4WXA | 9 | 57 | 2028-04-21 | — | Active (Vanity) |
| K4WXB | 9 | 61 | 2019-01-16 | 2021-01-17 | Available |
| K4WXC | 9 | 63 | — | — | Available |
| K4WXD | 9 | 59 | — | — | Available |
| K4WXE | 9 | 53 | 2004-03-29 | 2006-03-30 | Available |
| K4WXF | 9 | 61 | 2017-03-05 | 2019-03-06 | Available |
| K4WXG | 8 | 61 | 2029-01-07 | — | Active (Vanity) |
| K4WXH | 9 | 59 | — | — | Available |
| K4WXI | 10 | 55 | 2004-03-29 | 2006-03-30 | Available |
| K4WXJ | 10 | 65 | 2003-08-03 | 2005-08-04 | Available |
| K4WXK | 9 | 61 | — | — | Available |
| K4WXL | 9 | 61 | 2008-01-14 | 2010-01-15 | Available |
| K4WXM | 8 | 59 | 2030-10-13 | — | Active (Vanity) |
| K4WXN | 10 | 57 | 2032-07-06 | — | Active (Vanity) |
| K4WXO | 9 | 63 | 2031-04-12 | — | Active (Vanity) |
| K4WXP | 9 | 63 | 2036-05-08 | — | Active (Vanity) |
| K4WXQ | 9 | 65 | — | — | Available |
| K4WXR | 10 | 59 | 2016-03-26 | 2018-03-27 | Available |
| K4WXS | 10 | 57 | — | — | Available |
| K4WXT | 9 | 55 | 2034-11-29 | — | Active |
| K4WXU | 10 | 59 | — | — | Available |
| K4WXV | 9 | 61 | — | — | Available |
| K4WXW | 9 | 61 | — | — | Available |
| K4WXX | 9 | 63 | 2034-07-26 | — | Active (Vanity) |
| K4WXY | 9 | 65 | 2033-05-31 | — | Active (Vanity) |
| K4WXZ | 9 | 63 | — | — | Available |
| K4WYA | 9 | 59 | — | — | Available |
| K4WYB | 9 | 63 | — | — | Available |
| K4WYC | 9 | 65 | 2035-10-17 | — | Active (Vanity) |
| K4WYD | 9 | 61 | — | — | Available |
| K4WYE | 9 | 55 | — | — | Available |
| K4WYF | 9 | 63 | 2026-12-13 | — | Active (Vanity) |
| K4WYG | 8 | 63 | — | — | Available |
| K4WYH | 9 | 61 | — | — | Available |
| K4WYI | 10 | 57 | — | — | Available |