District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KJ4UM | 10 | 59 | 2006-02-23 | 2008-02-24 | Available |
| KJ4UN | 12 | 57 | 1999-10-17 | 2001-10-18 | Available |
| KJ4UO | 11 | 63 | 2036-06-14 | — | Active |
| KJ4UP | 11 | 63 | 2007-05-08 | 2009-05-09 | Available |
| KJ4UQ | 11 | 65 | 2036-02-28 | — | Active |
| KJ4UR | 12 | 59 | — | — | Available |
| KJ4US | 12 | 57 | 2006-02-21 | 2008-02-22 | Available |
| KJ4UT | 11 | 55 | 2007-03-03 | 2009-03-04 | Available |
| KJ4UU | 12 | 59 | 2033-06-22 | — | Active |
| KJ4UV | 11 | 61 | — | — | Available |
| KJ4UW | 11 | 61 | 2028-03-26 | — | Active |
| KJ4UX | 11 | 63 | 2029-05-10 | — | Active |
| KJ4UY | 11 | 65 | 2033-06-01 | — | Active |
| KJ4UZ | 11 | 63 | 2006-04-10 | 2008-04-11 | Available |
| KJ4VA | 10 | 59 | 2006-03-14 | 2008-03-15 | Available |
| KJ4VB | 10 | 63 | — | — | Available |
| KJ4VC | 10 | 65 | 2006-06-14 | 2008-06-15 | Available |
| KJ4VD | 10 | 61 | 2020-11-13 | 2022-11-14 | Available |
| KJ4VE | 10 | 55 | 2006-07-30 | 2008-07-31 | Available |
| KJ4VF | 10 | 63 | 2026-03-26 | — | Active |
| KJ4VG | 9 | 63 | — | — | Available |
| KJ4VH | 10 | 61 | — | — | Available |
| KJ4VI | 11 | 57 | — | — | Available |
| KJ4VJ | 11 | 67 | 2026-03-14 | — | Active |
| KJ4VK | 10 | 63 | — | — | Available |
| KJ4VL | 10 | 63 | — | — | Available |
| KJ4VM | 9 | 61 | 2006-03-18 | 2008-03-19 | Available |
| KJ4VN | 11 | 59 | 2017-10-11 | 2019-10-12 | Available |
| KJ4VO | 10 | 65 | 2034-05-24 | — | Active |
| KJ4VP | 10 | 65 | 1999-08-02 | 2001-08-03 | Available |
| KJ4VQ | 10 | 67 | 2036-03-20 | — | Active |
| KJ4VR | 11 | 61 | — | — | Available |
| KJ4VS | 11 | 59 | 2016-03-21 | 2018-03-22 | Available |
| KJ4VT | 10 | 57 | 2030-01-30 | — | Active |
| KJ4VU | 11 | 61 | 1998-01-19 | 2000-01-20 | Available |
| KJ4VV | 10 | 63 | 2034-05-06 | — | Active (Vanity) |
| KJ4VW | 10 | 63 | 2029-02-20 | — | Active (Vanity) |
| KJ4VX | 10 | 65 | 2006-04-23 | 2008-04-24 | Available |
| KJ4VY | 10 | 67 | — | — | Available |
| KJ4VZ | 10 | 65 | — | — | Available |
| KJ4WA | 10 | 59 | 2034-08-20 | — | Active |
| KJ4WB | 10 | 63 | 2018-11-24 | 2020-11-25 | Available |
| KJ4WC | 10 | 65 | 2026-03-28 | — | Active |
| KJ4WD | 10 | 61 | 2036-01-19 | — | Active |
| KJ4WE | 10 | 55 | — | — | Available |
| KJ4WF | 10 | 63 | 2027-11-06 | — | Active |
| KJ4WG | 9 | 63 | — | — | Available |
| KJ4WH | 10 | 61 | — | — | Available |
| KJ4WI | 11 | 57 | 2007-01-30 | 2009-01-31 | Available |
| KJ4WJ | 11 | 67 | 2006-04-26 | 2008-04-27 | Available |
| KJ4WK | 10 | 63 | — | — | Available |
| KJ4WL | 10 | 63 | 2026-03-28 | — | Active |
| KJ4WM | 9 | 61 | 2030-04-07 | — | Active |
| KJ4WN | 11 | 59 | — | — | Available |
| KJ4WO | 10 | 65 | 2015-05-05 | 2017-05-06 | Available |
| KJ4WP | 10 | 65 | 2026-06-17 | — | Active |
| KJ4WQ | 10 | 67 | 2036-03-25 | — | Active |
| KJ4WR | 11 | 61 | — | — | Available |
| KJ4WS | 11 | 59 | 2031-03-29 | — | Active (Vanity) |
| KJ4WT | 10 | 57 | — | — | Available |
| KJ4WU | 11 | 61 | 2016-04-03 | 2018-04-04 | Available |
| KJ4WV | 10 | 63 | 2017-06-14 | 2019-06-15 | Available |
| KJ4WW | 10 | 63 | 2030-10-09 | — | Active |
| KJ4WX | 10 | 65 | 2026-04-04 | — | Active |
| KJ4WY | 10 | 67 | 2026-06-27 | — | Active |
| KJ4WZ | 10 | 65 | — | — | Available |
| KJ4XA | 10 | 61 | — | — | Available |
| KJ4XB | 10 | 65 | 2003-11-30 | 2005-12-01 | Available |
| KJ4XC | 10 | 67 | 2026-04-12 | — | Active |
| KJ4XD | 10 | 63 | 2026-07-30 | — | Active |
| KJ4XE | 10 | 57 | 2011-03-05 | 2013-03-06 | Available |
| KJ4XF | 10 | 65 | 2036-08-05 | — | Active |
| KJ4XG | 9 | 65 | — | — | Available |
| KJ4XH | 10 | 63 | 2036-08-09 | — | Active |
| KJ4XI | 11 | 59 | — | — | Available |
| KJ4XJ | 11 | 69 | 2016-04-05 | 2018-04-06 | Available |
| KJ4XK | 10 | 65 | 2019-07-21 | 2021-07-22 | Available |
| KJ4XL | 10 | 65 | 2036-05-01 | — | Active (Vanity) |
| KJ4XM | 9 | 63 | 2027-06-10 | — | Active |
| KJ4XN | 11 | 61 | 2001-09-19 | 2003-09-20 | Available |
| KJ4XO | 10 | 67 | — | — | Available |
| KJ4XP | 10 | 67 | 2036-05-06 | — | Active |
| KJ4XQ | 10 | 69 | — | — | Available |
| KJ4XR | 11 | 63 | — | — | Available |
| KJ4XS | 11 | 61 | 2035-07-05 | — | Active |
| KJ4XT | 10 | 59 | 2027-11-28 | — | Active |
| KJ4XU | 11 | 63 | 2007-10-23 | 2009-10-24 | Available |
| KJ4XV | 10 | 65 | — | — | Available |
| KJ4XW | 10 | 65 | 2016-06-12 | 2018-06-13 | Available |
| KJ4XX | 10 | 67 | 2036-04-05 | — | Active |
| KJ4XY | 10 | 69 | 2016-08-05 | 2018-08-06 | Available |
| KJ4XZ | 10 | 67 | 2036-04-19 | — | Active |
| KJ4YA | 10 | 63 | — | — | Available |
| KJ4YB | 10 | 67 | — | — | Available |
| KJ4YC | 10 | 69 | 2014-07-15 | 2016-07-16 | Available |
| KJ4YD | 10 | 65 | 2027-01-11 | — | Active |
| KJ4YE | 10 | 59 | 2026-05-02 | — | Active |
| KJ4YF | 10 | 67 | 2021-07-09 | 2023-07-10 | Available |
| KJ4YG | 9 | 67 | 2026-04-22 | — | Active |
| KJ4YH | 10 | 65 | 2004-07-28 | 2006-07-29 | Available |