District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KA4OQU | 12 | 71 | 2023-06-09 | 2025-06-10 | Available |
| KA4OQV | 11 | 73 | — | — | Available |
| KA4OQW | 11 | 73 | — | — | Available |
| KA4OQX | 11 | 75 | — | — | Available |
| KA4OQY | 11 | 77 | — | — | Available |
| KA4OQZ | 11 | 75 | 2015-03-27 | 2017-03-28 | Available |
| KA4ORA | 12 | 63 | 2013-06-29 | 2015-06-30 | Available |
| KA4ORB | 12 | 67 | 2027-06-30 | — | Active (Vanity) |
| KA4ORC | 12 | 69 | 2033-06-10 | — | Active (Vanity) |
| KA4ORD | 12 | 65 | — | — | Available |
| KA4ORE | 12 | 59 | — | — | Available |
| KA4ORF | 12 | 67 | 2018-12-17 | 2020-12-18 | Available |
| KA4ORG | 11 | 67 | — | — | Available |
| KA4ORH | 12 | 65 | 2005-06-14 | 2007-06-15 | Available |
| KA4ORI | 13 | 61 | 2033-09-08 | — | Active (Vanity) |
| KA4ORJ | 13 | 71 | — | — | Available |
| KA4ORK | 12 | 67 | 2015-06-12 | 2017-06-13 | Available |
| KA4ORL | 12 | 67 | — | — | Available |
| KA4ORM | 11 | 65 | — | — | Available |
| KA4ORN | 13 | 63 | — | — | Available |
| KA4ORO | 12 | 69 | — | — | Available |
| KA4ORP | 12 | 69 | 2027-07-29 | — | Active |
| KA4ORQ | 12 | 71 | — | — | Available |
| KA4ORR | 13 | 65 | — | — | Available |
| KA4ORS | 13 | 63 | — | — | Available |
| KA4ORT | 12 | 61 | — | — | Available |
| KA4ORU | 13 | 65 | — | — | Available |
| KA4ORV | 12 | 67 | — | — | Available |
| KA4ORW | 12 | 67 | — | — | Available |
| KA4ORX | 12 | 69 | — | — | Available |
| KA4ORY | 12 | 71 | 2005-03-13 | 2007-03-14 | Available |
| KA4ORZ | 12 | 69 | 1999-04-08 | 2001-04-09 | Available |
| KA4OSA | 12 | 61 | — | — | Available |
| KA4OSB | 12 | 65 | — | — | Available |
| KA4OSC | 12 | 67 | — | — | Available |
| KA4OSD | 12 | 63 | — | — | Available |
| KA4OSE | 12 | 57 | 2008-02-12 | 2010-02-13 | Available |
| KA4OSF | 12 | 65 | 2029-03-22 | — | Active |
| KA4OSG | 11 | 65 | — | — | Available |
| KA4OSH | 12 | 63 | — | — | Available |
| KA4OSI | 13 | 59 | — | — | Available |
| KA4OSJ | 13 | 69 | 2025-02-06 | — | Active |
| KA4OSK | 12 | 65 | — | — | Available |
| KA4OSL | 12 | 65 | — | — | Available |
| KA4OSM | 11 | 63 | — | — | Available |
| KA4OSN | 13 | 61 | 2005-02-13 | 2007-02-14 | Available |
| KA4OSO | 12 | 67 | — | — | Available |
| KA4OSP | 12 | 67 | — | — | Available |
| KA4OSQ | 12 | 69 | — | — | Available |
| KA4OSR | 13 | 63 | — | — | Available |
| KA4OSS | 13 | 61 | 2005-09-07 | 2007-09-08 | Available |
| KA4OST | 12 | 59 | — | — | Available |
| KA4OSU | 13 | 63 | 2025-01-12 | — | Active |
| KA4OSV | 12 | 65 | — | — | Available |
| KA4OSW | 12 | 65 | 1998-03-01 | 2000-03-02 | Available |
| KA4OSX | 12 | 67 | — | — | Available |
| KA4OSY | 12 | 69 | — | — | Available |
| KA4OSZ | 12 | 67 | — | — | Available |
| KA4OTA | 11 | 59 | 2033-09-28 | — | Active (Vanity) |
| KA4OTB | 11 | 63 | 2033-11-09 | — | Active |
| KA4OTC | 11 | 65 | 2033-11-09 | — | Active |
| KA4OTD | 11 | 61 | 2029-09-26 | — | Active |
| KA4OTE | 11 | 55 | 2024-03-05 | 2026-03-06 | Available |
| KA4OTF | 11 | 63 | 2025-02-06 | — | Active |
| KA4OTG | 10 | 63 | — | — | Available |
| KA4OTH | 11 | 61 | 2017-02-20 | 2019-02-21 | Available |
| KA4OTI | 12 | 57 | 2019-02-20 | 2021-02-21 | Available |
| KA4OTJ | 12 | 67 | — | — | Available |
| KA4OTK | 11 | 63 | — | — | Available |
| KA4OTL | 11 | 63 | — | — | Available |
| KA4OTM | 10 | 61 | — | — | Available |
| KA4OTN | 12 | 59 | 2006-11-15 | 2008-11-16 | Available |
| KA4OTO | 11 | 65 | 2005-08-22 | 2007-08-23 | Available |
| KA4OTP | 11 | 65 | 2027-04-23 | — | Active |
| KA4OTQ | 11 | 67 | 2017-08-01 | 2019-08-02 | Available |
| KA4OTR | 12 | 61 | 2034-12-30 | — | Active |
| KA4OTS | 12 | 59 | — | — | Available |
| KA4OTT | 11 | 57 | — | — | Available |
| KA4OTU | 12 | 61 | — | — | Available |
| KA4OTV | 11 | 63 | — | — | Available |
| KA4OTW | 11 | 63 | — | — | Available |
| KA4OTX | 11 | 65 | — | — | Available |
| KA4OTY | 11 | 67 | — | — | Available |
| KA4OTZ | 11 | 65 | — | — | Available |
| KA4OUA | 12 | 63 | — | — | Available |
| KA4OUB | 12 | 67 | 2005-08-22 | 2007-08-23 | Available |
| KA4OUC | 12 | 69 | 2026-08-01 | — | Active |
| KA4OUD | 12 | 65 | — | — | Available |
| KA4OUE | 12 | 59 | 2005-09-21 | 2007-09-22 | Available |
| KA4OUF | 12 | 67 | 2026-07-01 | — | Active |
| KA4OUG | 11 | 67 | — | — | Available |
| KA4OUH | 12 | 65 | — | — | Available |
| KA4OUI | 13 | 61 | 2023-08-03 | 2025-08-04 | Available |
| KA4OUJ | 13 | 71 | — | — | Available |
| KA4OUK | 12 | 67 | — | — | Available |
| KA4OUL | 12 | 67 | — | — | Available |
| KA4OUM | 11 | 65 | — | — | Available |
| KA4OUN | 13 | 63 | — | — | Available |
| KA4OUO | 12 | 69 | — | — | Available |
| KA4OUP | 12 | 69 | — | — | Available |