District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4DSE | 10 | 45 | — | — | Pending Application |
| K4DSF | 10 | 53 | 2033-10-17 | — | Active (Vanity) |
| K4DSG | 9 | 53 | 2029-08-07 | — | Active (Vanity) |
| K4DSH | 10 | 51 | 2034-12-30 | — | Active (Vanity) |
| K4DSI | 11 | 47 | — | — | Available |
| K4DSJ | 11 | 57 | 2015-01-19 | 2017-01-20 | Available |
| K4DSK | 10 | 53 | 2032-03-16 | — | Active (Vanity) |
| K4DSL | 10 | 53 | 2024-07-15 | 2026-07-16 | Available |
| K4DSM | 9 | 51 | 2035-09-16 | — | Active (Vanity) |
| K4DSN | 11 | 49 | 2029-06-23 | — | Active (Vanity) |
| K4DSO | 10 | 55 | 2036-10-31 | — | Active (Vanity) |
| K4DSP | 10 | 55 | 2030-12-16 | — | Active (Vanity) |
| K4DSQ | 10 | 57 | — | — | Available |
| K4DSR | 11 | 51 | 2027-02-22 | — | Active (Vanity) |
| K4DSS | 11 | 49 | 2033-03-16 | — | Active (Vanity) |
| K4DST | 10 | 47 | 2025-06-15 | — | Active |
| K4DSU | 11 | 51 | 2020-04-02 | 2022-04-03 | Available |
| K4DSV | 10 | 53 | — | — | Available |
| K4DSW | 10 | 53 | 2029-03-03 | — | Active (Vanity) |
| K4DSX | 10 | 55 | 2034-09-25 | — | Active (Vanity) |
| K4DSY | 10 | 57 | — | — | Available |
| K4DSZ | 10 | 55 | 2028-11-04 | — | Active (Vanity) |
| K4DTA | 9 | 47 | 2028-06-02 | — | Active (Vanity) |
| K4DTB | 9 | 51 | 2031-04-15 | — | Active (Vanity) |
| K4DTC | 9 | 53 | 2033-04-22 | — | Active (Vanity) |
| K4DTD | 9 | 49 | — | — | Available |
| K4DTE | 9 | 43 | 2024-12-12 | — | Active |
| K4DTF | 9 | 51 | 2034-04-05 | — | Active (Vanity) |
| K4DTG | 8 | 51 | 2028-06-23 | — | Active (Vanity) |
| K4DTH | 9 | 49 | 2006-08-18 | 2008-08-19 | Available |
| K4DTI | 10 | 45 | 2017-03-20 | 2019-03-21 | Available |
| K4DTJ | 10 | 55 | — | — | Available |
| K4DTK | 9 | 51 | — | — | Available |
| K4DTL | 9 | 51 | 2030-12-08 | — | Active (Vanity) |
| K4DTM | 8 | 49 | 2031-03-29 | — | Active (Vanity) |
| K4DTN | 10 | 47 | 2036-03-15 | — | Active (Vanity) |
| K4DTO | 9 | 53 | — | — | Available |
| K4DTP | 9 | 53 | — | — | Available |
| K4DTQ | 9 | 55 | 2018-08-20 | 2020-08-21 | Available |
| K4DTR | 10 | 49 | 2034-09-22 | — | Active |
| K4DTS | 10 | 47 | 2024-09-10 | 2026-09-11 | Available |
| K4DTT | 9 | 45 | 2024-12-22 | — | Active |
| K4DTU | 10 | 49 | 2027-02-12 | — | Active (Vanity) |
| K4DTV | 9 | 51 | 2031-07-06 | — | Active (Vanity) |
| K4DTW | 9 | 51 | 2036-11-15 | — | Active (Vanity) |
| K4DTX | 9 | 53 | 2028-11-21 | — | Active (Vanity) |
| K4DTY | 9 | 55 | 2025-02-13 | — | Active |
| K4DTZ | 9 | 53 | 2027-06-23 | — | Active (Vanity) |
| K4DUA | 10 | 51 | — | — | Available |
| K4DUB | 10 | 55 | 2027-12-07 | — | Active (Vanity) |
| K4DUC | 10 | 57 | 2027-03-06 | — | Active (Vanity) |
| K4DUD | 10 | 53 | — | — | Available |
| K4DUE | 10 | 47 | 2004-12-09 | 2006-12-10 | Available |
| K4DUF | 10 | 55 | 2034-04-05 | — | Active (Vanity) |
| K4DUG | 9 | 55 | 2028-09-18 | — | Active (Vanity) |
| K4DUH | 10 | 53 | — | — | Available |
| K4DUI | 11 | 49 | 2035-11-19 | — | Active (Vanity) |
| K4DUJ | 11 | 59 | — | — | Available |
| K4DUK | 10 | 55 | 2036-08-11 | — | Active (Vanity) |
| K4DUL | 10 | 55 | 2018-03-31 | 2020-04-01 | Available |
| K4DUM | 9 | 53 | 2031-06-28 | — | Active (Vanity) |
| K4DUN | 11 | 51 | 2029-03-20 | — | Active (Vanity) |
| K4DUO | 10 | 57 | — | — | Available |
| K4DUP | 10 | 57 | — | — | Available |
| K4DUQ | 10 | 59 | 2001-04-30 | 2003-05-01 | Available |
| K4DUR | 11 | 53 | 2027-08-01 | — | Active (Vanity) |
| K4DUS | 11 | 51 | — | — | Available |
| K4DUT | 10 | 49 | — | — | Available |
| K4DUU | 11 | 53 | — | — | Available |
| K4DUV | 10 | 55 | 2031-02-02 | — | Active (Vanity) |
| K4DUW | 10 | 55 | — | — | Available |
| K4DUX | 10 | 57 | 2024-11-20 | — | Active (Vanity) |
| K4DUY | 10 | 59 | — | — | Available |
| K4DUZ | 10 | 57 | — | — | Available |
| K4DVA | 9 | 53 | 2027-08-01 | — | Active (Vanity) |
| K4DVB | 9 | 57 | 2035-12-02 | — | Active (Vanity) |
| K4DVC | 9 | 59 | — | — | Available |
| K4DVD | 9 | 55 | 2026-01-07 | — | Active (Vanity) |
| K4DVE | 9 | 49 | 2029-10-05 | — | Active (Vanity) |
| K4DVF | 9 | 57 | — | — | Available |
| K4DVG | 8 | 57 | — | — | Available |
| K4DVH | 9 | 55 | 2025-12-05 | — | Active (Vanity) |
| K4DVI | 10 | 51 | 1998-02-23 | 2000-02-24 | Available |
| K4DVJ | 10 | 61 | 2027-02-17 | — | Active (Vanity) |
| K4DVK | 9 | 57 | 2018-02-25 | 2020-02-26 | Available |
| K4DVL | 9 | 57 | 2024-03-18 | 2026-03-19 | Available |
| K4DVM | 8 | 55 | 2032-02-11 | — | Active |
| K4DVN | 10 | 53 | — | — | Available |
| K4DVO | 9 | 59 | 2032-06-07 | — | Active (Vanity) |
| K4DVP | 9 | 59 | — | — | Available |
| K4DVQ | 9 | 61 | 2026-08-06 | — | Active |
| K4DVR | 10 | 55 | 2028-07-24 | — | Active (Vanity) |
| K4DVS | 10 | 53 | 2032-12-10 | — | Active (Vanity) |
| K4DVT | 9 | 51 | — | — | Available |
| K4DVU | 10 | 55 | — | — | Available |
| K4DVV | 9 | 57 | 2026-09-03 | — | Active (Vanity) |
| K4DVW | 9 | 57 | 2027-06-29 | — | Active (Vanity) |
| K4DVX | 9 | 59 | 2036-01-06 | — | Active (Vanity) |
| K4DVY | 9 | 61 | 2034-07-06 | — | Active (Vanity) |
| K4DVZ | 9 | 59 | 2034-12-10 | — | Active (Vanity) |