District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| AD4OI | 10 | 49 | — | — | Available |
| AD4OJ | 10 | 59 | 2000-07-11 | 2002-07-12 | Available |
| AD4OK | 9 | 55 | 2033-12-28 | — | Active |
| AD4OL | 9 | 55 | 2024-03-05 | 2026-03-06 | Available |
| AD4OM | 8 | 53 | 2013-12-28 | 2015-12-29 | Available |
| AD4ON | 10 | 51 | 2033-12-28 | — | Active |
| AD4OO | 9 | 57 | 2024-03-05 | 2026-03-06 | Available |
| AD4OP | 9 | 57 | 2004-01-04 | 2006-01-05 | Available |
| AD4OQ | 9 | 59 | 1998-11-24 | 2000-11-25 | Available |
| AD4OR | 10 | 53 | 2034-01-04 | — | Active |
| AD4OS | 10 | 51 | 2034-04-02 | — | Active |
| AD4OT | 9 | 49 | — | — | Available |
| AD4OU | 10 | 53 | 2002-10-22 | 2004-10-23 | Available |
| AD4OV | 9 | 55 | 2024-03-05 | 2026-03-06 | Available |
| AD4OW | 9 | 55 | 2034-01-18 | — | Active |
| AD4OX | 9 | 57 | 2014-01-03 | 2016-01-04 | Available |
| AD4OY | 9 | 59 | 2004-01-18 | 2006-01-19 | Available |
| AD4OZ | 9 | 57 | 2003-05-20 | 2005-05-21 | Available |
| AD4PA | 9 | 51 | 2024-03-05 | 2026-03-06 | Available |
| AD4PB | 9 | 55 | 2034-01-18 | — | Active |
| AD4PC | 9 | 57 | 2004-01-18 | 2006-01-19 | Available |
| AD4PD | 9 | 53 | — | — | Available |
| AD4PE | 9 | 47 | 2013-05-31 | 2015-06-01 | Available |
| AD4PF | 9 | 55 | 2034-01-18 | — | Active |
| AD4PG | 8 | 55 | 2034-01-18 | — | Active |
| AD4PH | 9 | 53 | 2024-03-05 | 2026-03-06 | Available |
| AD4PI | 10 | 49 | 2024-03-05 | 2026-03-06 | Available |
| AD4PJ | 10 | 59 | 2034-02-28 | — | Active |
| AD4PK | 9 | 55 | 2020-11-17 | 2022-11-18 | Available |
| AD4PL | 9 | 55 | 2010-09-25 | 2012-09-26 | Available |
| AD4PM | 8 | 53 | 2034-07-22 | — | Active |
| AD4PN | 10 | 51 | 2014-02-01 | 2016-02-02 | Available |
| AD4PO | 9 | 57 | 2034-02-01 | — | Active |
| AD4PP | 9 | 57 | 2024-03-05 | 2026-03-06 | Available |
| AD4PQ | 9 | 59 | — | — | Available |
| AD4PR | 10 | 53 | 2034-02-08 | — | Active |
| AD4PS | 10 | 51 | 2012-04-24 | 2014-04-25 | Available |
| AD4PT | 9 | 49 | 2030-05-02 | — | Active (Vanity) |
| AD4PU | 10 | 53 | 2026-01-05 | — | Active |
| AD4PV | 9 | 55 | 2010-09-04 | 2012-09-05 | Available |
| AD4PW | 9 | 55 | 2004-02-08 | 2006-02-09 | Available |
| AD4PX | 9 | 57 | 2004-02-08 | 2006-02-09 | Available |
| AD4PY | 9 | 59 | — | — | Available |
| AD4PZ | 9 | 57 | 2034-02-15 | — | Active |
| AD4QA | 9 | 53 | 1999-01-07 | 2001-01-08 | Available |
| AD4QB | 9 | 57 | 2034-07-23 | — | Active |
| AD4QC | 9 | 59 | 2004-02-22 | 2006-02-23 | Available |
| AD4QD | 9 | 55 | 2004-02-22 | 2006-02-23 | Available |
| AD4QE | 9 | 49 | 2034-02-22 | — | Active |
| AD4QF | 9 | 57 | — | — | Available |
| AD4QG | 8 | 57 | 2034-02-22 | — | Active |
| AD4QH | 9 | 55 | 2034-03-01 | — | Active |
| AD4QI | 10 | 51 | 2035-04-16 | — | Active |
| AD4QJ | 10 | 61 | 1997-08-21 | 1999-08-22 | Available |
| AD4QK | 9 | 57 | — | — | Available |
| AD4QL | 9 | 57 | — | — | Available |
| AD4QM | 8 | 55 | 2024-03-08 | 2026-03-09 | Available |
| AD4QN | 10 | 53 | — | — | Available |
| AD4QO | 9 | 59 | 2004-03-08 | 2006-03-09 | Available |
| AD4QP | 9 | 59 | 2034-03-15 | — | Active |
| AD4QQ | 9 | 61 | 2034-03-15 | — | Active |
| AD4QR | 10 | 55 | 2000-01-21 | 2002-01-22 | Available |
| AD4QS | 10 | 53 | 2034-03-15 | — | Active |
| AD4QT | 9 | 51 | 2024-06-06 | 2026-06-07 | Available |
| AD4QU | 10 | 55 | — | — | Available |
| AD4QV | 9 | 57 | 2035-03-06 | — | Active |
| AD4QW | 9 | 57 | 2014-03-29 | 2016-03-30 | Available |
| AD4QX | 9 | 59 | 1997-08-21 | 1999-08-22 | Available |
| AD4QY | 9 | 61 | 2024-03-29 | 2026-03-30 | Available |
| AD4QZ | 9 | 59 | 2001-07-03 | 2003-07-04 | Available |
| AD4RA | 10 | 47 | 2024-03-29 | 2026-03-30 | Available |
| AD4RB | 10 | 51 | 2028-08-03 | — | Active (Vanity) |
| AD4RC | 10 | 53 | 2024-03-29 | 2026-03-30 | Available |
| AD4RD | 10 | 49 | 2034-03-29 | — | Active |
| AD4RE | 10 | 43 | 2024-04-05 | 2026-04-06 | Available |
| AD4RF | 10 | 51 | 2024-07-15 | 2026-07-16 | Available |
| AD4RG | 9 | 51 | 2024-08-04 | 2026-08-05 | Available |
| AD4RH | 10 | 49 | 2024-04-12 | 2026-04-13 | Available |
| AD4RI | 11 | 45 | — | — | Available |
| AD4RJ | 11 | 55 | 2034-04-12 | — | Active |
| AD4RK | 10 | 51 | 2004-04-12 | 2006-04-13 | Available |
| AD4RL | 10 | 51 | 2024-04-19 | 2026-04-20 | Available |
| AD4RM | 9 | 49 | 2028-11-03 | — | Active (Vanity) |
| AD4RN | 11 | 47 | 2034-12-27 | — | Active |
| AD4RO | 10 | 53 | 2014-05-03 | 2016-05-04 | Available |
| AD4RP | 10 | 53 | 2004-05-03 | 2006-05-04 | Available |
| AD4RQ | 10 | 55 | 2024-05-03 | 2026-05-04 | Available |
| AD4RR | 11 | 49 | — | — | Pending Application |
| AD4RS | 11 | 47 | 2034-05-10 | — | Active |
| AD4RT | 10 | 45 | 2034-12-31 | — | Active (Vanity) |
| AD4RU | 11 | 49 | 2034-12-04 | — | Active |
| AD4RV | 10 | 51 | 2024-05-10 | 2026-05-11 | Available |
| AD4RW | 10 | 51 | 2025-11-24 | — | Active |
| AD4RX | 10 | 53 | 2024-05-17 | 2026-05-18 | Available |
| AD4RY | 10 | 55 | 2024-12-08 | — | Active |
| AD4RZ | 10 | 53 | 2024-05-24 | 2026-05-25 | Available |
| AD4SA | 10 | 45 | 2030-03-27 | — | Active (Vanity) |
| AD4SB | 10 | 49 | 2031-11-18 | — | Active (Vanity) |
| AD4SC | 10 | 51 | 2034-05-24 | — | Active |
| AD4SD | 10 | 47 | 2034-05-24 | — | Active |