District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KS4DW | 10 | 53 | 2012-10-06 | 2014-10-07 | Available |
| KS4DX | 10 | 55 | 2034-07-15 | — | Active |
| KS4DY | 10 | 57 | — | — | Available |
| KS4DZ | 10 | 55 | — | — | Available |
| KS4EA | 10 | 43 | 2034-12-17 | — | Active |
| KS4EB | 10 | 47 | 2033-02-23 | — | Active |
| KS4EC | 10 | 49 | 2034-04-11 | — | Active |
| KS4ED | 10 | 45 | 2024-04-19 | 2026-04-20 | Available |
| KS4EE | 10 | 39 | 2033-04-29 | — | Active |
| KS4EF | 10 | 47 | — | — | Available |
| KS4EG | 9 | 47 | 2033-09-14 | — | Active |
| KS4EH | 10 | 45 | 2015-03-17 | 2017-03-18 | Available |
| KS4EI | 11 | 41 | — | — | Available |
| KS4EJ | 11 | 51 | 2034-09-28 | — | Active |
| KS4EK | 10 | 47 | 2033-10-21 | — | Active |
| KS4EL | 10 | 47 | 2027-11-10 | — | Active |
| KS4EM | 9 | 45 | — | — | Available |
| KS4EN | 11 | 43 | 2012-12-15 | 2014-12-16 | Available |
| KS4EO | 10 | 49 | 1999-04-28 | 2001-04-29 | Available |
| KS4EP | 10 | 49 | 2013-01-05 | 2015-01-06 | Available |
| KS4EQ | 10 | 51 | 2034-04-06 | — | Active |
| KS4ER | 11 | 45 | 2033-06-08 | — | Active |
| KS4ES | 11 | 43 | — | — | Available |
| KS4ET | 10 | 41 | — | — | Available |
| KS4EU | 11 | 45 | — | — | Available |
| KS4EV | 10 | 47 | 2013-01-19 | 2015-01-20 | Available |
| KS4EW | 10 | 47 | 1999-10-19 | 2001-10-20 | Available |
| KS4EX | 10 | 49 | 2036-03-24 | — | Active |
| KS4EY | 10 | 51 | 2012-07-21 | 2014-07-22 | Available |
| KS4EZ | 10 | 49 | 1997-11-19 | 1999-11-20 | Available |
| KS4FA | 10 | 51 | 2035-07-21 | — | Active |
| KS4FB | 10 | 55 | 2000-11-19 | 2002-11-20 | Available |
| KS4FC | 10 | 57 | — | — | Available |
| KS4FD | 10 | 53 | — | — | Available |
| KS4FE | 10 | 47 | 2033-10-05 | — | Active |
| KS4FF | 10 | 55 | 2003-09-21 | 2005-09-22 | Available |
| KS4FG | 9 | 55 | — | — | Available |
| KS4FH | 10 | 53 | 2004-06-11 | 2006-06-12 | Available |
| KS4FI | 11 | 49 | 2024-03-05 | 2026-03-06 | Available |
| KS4FJ | 11 | 59 | 2023-08-31 | 2025-09-01 | Available |
| KS4FK | 10 | 55 | 2034-01-18 | — | Active |
| KS4FL | 10 | 55 | 2000-06-07 | 2002-06-08 | Available |
| KS4FM | 9 | 53 | 2015-10-14 | 2017-10-15 | Available |
| KS4FN | 11 | 51 | 2014-07-09 | 2016-07-10 | Available |
| KS4FO | 10 | 57 | — | — | Available |
| KS4FP | 10 | 57 | 2024-10-29 | 2026-10-30 | Available |
| KS4FQ | 10 | 59 | 2032-04-26 | — | Active |
| KS4FR | 11 | 53 | — | — | Available |
| KS4FS | 11 | 51 | 2016-10-08 | 2018-10-09 | Available |
| KS4FT | 10 | 49 | 2024-03-05 | 2026-03-06 | Available |
| KS4FU | 11 | 53 | — | — | Available |
| KS4FV | 10 | 55 | — | — | Available |
| KS4FW | 10 | 55 | 2016-07-30 | 2018-07-31 | Available |
| KS4FX | 10 | 57 | 2033-12-14 | — | Active |
| KS4FY | 10 | 59 | 2027-01-16 | — | Active |
| KS4FZ | 10 | 57 | 2014-05-30 | 2016-05-31 | Available |
| KS4GA | 9 | 51 | 2015-09-13 | 2017-09-14 | Available |
| KS4GB | 9 | 55 | — | — | Available |
| KS4GC | 9 | 57 | 2002-04-09 | 2004-04-10 | Available |
| KS4GD | 9 | 53 | 2031-11-26 | — | Active |
| KS4GE | 9 | 47 | 2034-06-05 | — | Active |
| KS4GF | 9 | 55 | — | — | Available |
| KS4GG | 8 | 55 | 2001-12-19 | 2003-12-20 | Available |
| KS4GH | 9 | 53 | 2033-06-29 | — | Active |
| KS4GI | 10 | 49 | — | — | Available |
| KS4GJ | 10 | 59 | — | — | Available |
| KS4GK | 9 | 55 | 2004-10-25 | 2006-10-26 | Available |
| KS4GL | 9 | 55 | 2033-10-22 | — | Active |
| KS4GM | 8 | 53 | 1998-11-24 | 2000-11-25 | Available |
| KS4GN | 10 | 51 | — | — | Available |
| KS4GO | 9 | 57 | 2022-05-05 | 2024-05-06 | Available |
| KS4GP | 9 | 57 | — | — | Available |
| KS4GQ | 9 | 59 | 2022-06-22 | 2024-06-23 | Available |
| KS4GR | 10 | 53 | 2004-10-27 | 2006-10-28 | Available |
| KS4GS | 10 | 51 | 2002-06-09 | 2004-06-10 | Available |
| KS4GT | 9 | 49 | 2024-09-09 | 2026-09-10 | Available |
| KS4GU | 10 | 53 | 1998-08-05 | 2000-08-06 | Available |
| KS4GV | 9 | 55 | 2004-06-08 | 2006-06-09 | Available |
| KS4GW | 9 | 55 | 2031-06-11 | — | Active |
| KS4GX | 9 | 57 | 2034-10-31 | — | Active |
| KS4GY | 9 | 59 | 2034-06-08 | — | Active |
| KS4GZ | 9 | 57 | 2004-10-31 | 2006-11-01 | Available |
| KS4HA | 10 | 49 | 2024-11-12 | — | Active |
| KS4HB | 10 | 53 | 2024-07-13 | 2026-07-14 | Available |
| KS4HC | 10 | 55 | 2004-05-31 | 2006-06-01 | Available |
| KS4HD | 10 | 51 | — | — | Available |
| KS4HE | 10 | 45 | 2033-02-23 | — | Active |
| KS4HF | 10 | 53 | 2026-12-06 | — | Active (Vanity) |
| KS4HG | 9 | 53 | 2013-08-10 | 2015-08-11 | Available |
| KS4HH | 10 | 51 | 2012-07-21 | 2014-07-22 | Available |
| KS4HI | 11 | 47 | 2032-11-20 | — | Active |
| KS4HJ | 11 | 57 | 2034-11-04 | — | Active |
| KS4HK | 10 | 53 | 2000-08-05 | 2002-08-06 | Available |
| KS4HL | 10 | 53 | 2004-07-27 | 2006-07-28 | Available |
| KS4HM | 9 | 51 | — | — | Available |
| KS4HN | 11 | 49 | — | — | Available |
| KS4HO | 10 | 55 | 2023-09-21 | 2025-09-22 | Available |
| KS4HP | 10 | 55 | 2031-11-12 | — | Active |
| KS4HQ | 10 | 57 | 2034-11-10 | — | Active |
| KS4HR | 11 | 51 | 2011-02-12 | 2013-02-13 | Available |