District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KA4UHD | 12 | 61 | — | — | Available |
| KA4UHE | 12 | 55 | — | — | Available |
| KA4UHF | 12 | 63 | — | — | Available |
| KA4UHG | 11 | 63 | — | — | Available |
| KA4UHH | 12 | 61 | — | — | Available |
| KA4UHI | 13 | 57 | — | — | Available |
| KA4UHJ | 13 | 67 | — | — | Available |
| KA4UHK | 12 | 63 | — | — | Available |
| KA4UHL | 12 | 63 | 2007-04-21 | 2009-04-22 | Available |
| KA4UHM | 11 | 61 | — | — | Available |
| KA4UHN | 13 | 59 | — | — | Available |
| KA4UHO | 12 | 65 | — | — | Available |
| KA4UHP | 12 | 65 | — | — | Available |
| KA4UHQ | 12 | 67 | — | — | Available |
| KA4UHR | 13 | 61 | 2006-05-29 | 2008-05-30 | Available |
| KA4UHS | 13 | 59 | — | — | Available |
| KA4UHT | 12 | 57 | — | — | Available |
| KA4UHU | 13 | 61 | 2007-01-15 | 2009-01-16 | Available |
| KA4UHV | 12 | 63 | 2006-06-28 | 2008-06-29 | Available |
| KA4UHW | 12 | 63 | — | — | Available |
| KA4UHX | 12 | 65 | — | — | Available |
| KA4UHY | 12 | 67 | — | — | Available |
| KA4UHZ | 12 | 65 | — | — | Available |
| KA4UIA | 13 | 55 | — | — | Available |
| KA4UIB | 13 | 59 | 2026-08-21 | — | Active |
| KA4UIC | 13 | 61 | — | — | Available |
| KA4UID | 13 | 57 | — | — | Available |
| KA4UIE | 13 | 51 | — | — | Available |
| KA4UIF | 13 | 59 | — | — | Available |
| KA4UIG | 12 | 59 | — | — | Available |
| KA4UIH | 13 | 57 | — | — | Available |
| KA4UII | 14 | 53 | 2007-02-06 | 2009-02-07 | Available |
| KA4UIJ | 14 | 63 | — | — | Available |
| KA4UIK | 13 | 59 | — | — | Available |
| KA4UIL | 13 | 59 | — | — | Available |
| KA4UIM | 12 | 57 | 2007-12-19 | 2009-12-20 | Available |
| KA4UIN | 14 | 55 | 2000-02-06 | 2002-02-07 | Available |
| KA4UIO | 13 | 61 | — | — | Available |
| KA4UIP | 13 | 61 | — | — | Available |
| KA4UIQ | 13 | 63 | — | — | Available |
| KA4UIR | 14 | 57 | — | — | Available |
| KA4UIS | 14 | 55 | 2029-11-06 | — | Active |
| KA4UIT | 13 | 53 | 2016-08-01 | 2018-08-02 | Available |
| KA4UIU | 14 | 57 | — | — | Available |
| KA4UIV | 13 | 59 | 2021-09-03 | 2023-09-04 | Available |
| KA4UIW | 13 | 59 | — | — | Available |
| KA4UIX | 13 | 61 | 2036-09-24 | — | Active |
| KA4UIY | 13 | 63 | — | — | Available |
| KA4UIZ | 13 | 61 | — | — | Available |
| KA4UJA | 13 | 65 | 2015-11-28 | 2017-11-29 | Available |
| KA4UJB | 13 | 69 | — | — | Available |
| KA4UJC | 13 | 71 | — | — | Available |
| KA4UJD | 13 | 67 | 2031-09-10 | — | Active |
| KA4UJE | 13 | 61 | — | — | Available |
| KA4UJF | 13 | 69 | — | — | Available |
| KA4UJG | 12 | 69 | — | — | Available |
| KA4UJH | 13 | 67 | — | — | Available |
| KA4UJI | 14 | 63 | — | — | Available |
| KA4UJJ | 14 | 73 | 2034-11-13 | — | Active |
| KA4UJK | 13 | 69 | 2028-02-26 | — | Active |
| KA4UJL | 13 | 69 | — | — | Available |
| KA4UJM | 12 | 67 | — | — | Available |
| KA4UJN | 14 | 65 | — | — | Available |
| KA4UJO | 13 | 71 | — | — | Available |
| KA4UJP | 13 | 71 | 2002-06-09 | 2004-06-10 | Available |
| KA4UJQ | 13 | 73 | — | — | Available |
| KA4UJR | 14 | 67 | — | — | Available |
| KA4UJS | 14 | 65 | — | — | Available |
| KA4UJT | 13 | 63 | — | — | Available |
| KA4UJU | 14 | 67 | — | — | Available |
| KA4UJV | 13 | 69 | — | — | Available |
| KA4UJW | 13 | 69 | — | — | Available |
| KA4UJX | 13 | 71 | — | — | Available |
| KA4UJY | 13 | 73 | 2005-11-28 | 2007-11-29 | Available |
| KA4UJZ | 13 | 71 | 2032-02-18 | — | Active |
| KA4UKA | 12 | 61 | — | — | Available |
| KA4UKB | 12 | 65 | 2017-12-08 | 2019-12-09 | Available |
| KA4UKC | 12 | 67 | — | — | Available |
| KA4UKD | 12 | 63 | — | — | Available |
| KA4UKE | 12 | 57 | — | — | Available |
| KA4UKF | 12 | 65 | — | — | Available |
| KA4UKG | 11 | 65 | — | — | Available |
| KA4UKH | 12 | 63 | — | — | Available |
| KA4UKI | 13 | 59 | — | — | Available |
| KA4UKJ | 13 | 69 | — | — | Available |
| KA4UKK | 12 | 65 | — | — | Available |
| KA4UKL | 12 | 65 | — | — | Available |
| KA4UKM | 11 | 63 | — | — | Available |
| KA4UKN | 13 | 61 | — | — | Available |
| KA4UKO | 12 | 67 | — | — | Available |
| KA4UKP | 12 | 67 | — | — | Available |
| KA4UKQ | 12 | 69 | 2010-04-05 | 2012-04-06 | Available |
| KA4UKR | 13 | 63 | — | — | Available |
| KA4UKS | 13 | 61 | 1997-09-01 | 1999-09-02 | Available |
| KA4UKT | 12 | 59 | — | — | Available |
| KA4UKU | 13 | 63 | — | — | Available |
| KA4UKV | 12 | 65 | — | — | Available |
| KA4UKW | 12 | 65 | — | — | Available |
| KA4UKX | 12 | 67 | — | — | Available |
| KA4UKY | 12 | 69 | — | — | Available |