District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4RPW | 10 | 59 | 2022-08-28 | 2024-08-29 | Available |
| K4RPX | 10 | 61 | 2017-03-11 | 2019-03-12 | Available |
| K4RPY | 10 | 63 | 2033-11-18 | — | Active (Vanity) |
| K4RPZ | 10 | 61 | — | — | Available |
| K4RQA | 10 | 57 | 2035-03-15 | — | Active (Vanity) |
| K4RQB | 10 | 61 | 2010-05-25 | 2012-05-26 | Available |
| K4RQC | 10 | 63 | — | — | Available |
| K4RQD | 10 | 59 | — | — | Available |
| K4RQE | 10 | 53 | — | — | Available |
| K4RQF | 10 | 61 | — | — | Available |
| K4RQG | 9 | 61 | — | — | Available |
| K4RQH | 10 | 59 | — | — | Available |
| K4RQI | 11 | 55 | — | — | Available |
| K4RQJ | 11 | 65 | — | — | Available |
| K4RQK | 10 | 61 | 2020-10-23 | 2022-10-24 | Available |
| K4RQL | 10 | 61 | — | — | Available |
| K4RQM | 9 | 59 | — | — | Available |
| K4RQN | 11 | 57 | — | — | Available |
| K4RQO | 10 | 63 | — | — | Available |
| K4RQP | 10 | 63 | — | — | Available |
| K4RQQ | 10 | 65 | 2001-04-02 | 2003-04-03 | Available |
| K4RQR | 11 | 59 | — | — | Available |
| K4RQS | 11 | 57 | — | — | Available |
| K4RQT | 10 | 55 | 2029-04-23 | — | Active (Vanity) |
| K4RQU | 11 | 59 | — | — | Available |
| K4RQV | 10 | 61 | — | — | Available |
| K4RQW | 10 | 61 | — | — | Available |
| K4RQX | 10 | 63 | — | — | Available |
| K4RQY | 10 | 65 | — | — | Available |
| K4RQZ | 10 | 63 | 2028-10-07 | — | Active (Vanity) |
| K4RRA | 11 | 51 | 2031-03-13 | — | Active (Vanity) |
| K4RRB | 11 | 55 | 2026-11-26 | — | Active (Vanity) |
| K4RRC | 11 | 57 | 2029-12-03 | — | Active (Vanity) |
| K4RRD | 11 | 53 | 2031-04-09 | — | Active (Vanity) |
| K4RRE | 11 | 47 | 2018-10-23 | 2020-10-24 | Available |
| K4RRF | 11 | 55 | 2016-11-03 | 2018-11-04 | Available |
| K4RRG | 10 | 55 | 2028-12-16 | — | Active (Vanity) |
| K4RRH | 11 | 53 | 2027-06-11 | — | Active |
| K4RRI | 12 | 49 | — | — | Available |
| K4RRJ | 12 | 59 | 2035-07-15 | — | Active (Vanity) |
| K4RRK | 11 | 55 | 2030-07-22 | — | Active (Vanity) |
| K4RRL | 11 | 55 | 2029-07-30 | — | Active (Vanity) |
| K4RRM | 10 | 53 | 2030-03-17 | — | Active (Vanity) |
| K4RRN | 12 | 51 | 2018-04-22 | 2020-04-23 | Available |
| K4RRO | 11 | 57 | 2027-04-20 | — | Active (Vanity) |
| K4RRP | 11 | 57 | 2025-11-28 | — | Active |
| K4RRQ | 11 | 59 | — | — | Available |
| K4RRR | 12 | 53 | 2030-12-11 | — | Active (Vanity) |
| K4RRS | 12 | 51 | 2034-07-24 | — | Active (Vanity) |
| K4RRT | 11 | 49 | 2033-05-11 | — | Active (Vanity) |
| K4RRU | 12 | 53 | — | — | Available |
| K4RRV | 11 | 55 | 2033-09-08 | — | Active (Vanity) |
| K4RRW | 11 | 55 | — | — | Available |
| K4RRX | 11 | 57 | 2034-04-23 | — | Active (Vanity) |
| K4RRY | 11 | 59 | 2030-02-28 | — | Active (Vanity) |
| K4RRZ | 11 | 57 | 2030-07-09 | — | Active (Vanity) |
| K4RSA | 11 | 49 | 2031-08-13 | — | Active (Vanity) |
| K4RSB | 11 | 53 | 2028-12-04 | — | Active (Vanity) |
| K4RSC | 11 | 55 | 2035-03-11 | — | Active (Vanity) |
| K4RSD | 11 | 51 | 2025-03-21 | 2027-03-22 | Canceled (grace period) |
| K4RSE | 11 | 45 | 2017-08-05 | 2019-08-06 | Available |
| K4RSF | 11 | 53 | 2035-01-28 | — | Active (Vanity) |
| K4RSG | 10 | 53 | 2028-06-18 | — | Active (Vanity) |
| K4RSH | 11 | 51 | 2031-09-11 | — | Active |
| K4RSI | 12 | 47 | 2023-08-02 | 2025-08-03 | Available |
| K4RSJ | 12 | 57 | 2023-04-22 | 2025-04-23 | Available |
| K4RSK | 11 | 53 | 2012-03-07 | 2014-03-08 | Available |
| K4RSL | 11 | 53 | 2025-04-27 | — | Active |
| K4RSM | 10 | 51 | 2024-10-24 | 2026-10-25 | Available |
| K4RSN | 12 | 49 | 2034-07-17 | — | Active (Vanity) |
| K4RSO | 11 | 55 | 2022-10-20 | 2024-10-21 | Available |
| K4RSP | 11 | 55 | 2027-11-07 | — | Active (Vanity) |
| K4RSQ | 11 | 57 | 2033-09-06 | — | Active (Vanity) |
| K4RSR | 12 | 51 | 2031-10-10 | — | Active (Vanity) |
| K4RSS | 12 | 49 | 2025-01-25 | 2027-01-26 | Canceled (grace period) |
| K4RST | 11 | 47 | — | — | Pending Application |
| K4RSU | 12 | 51 | 2029-05-19 | — | Active |
| K4RSV | 11 | 53 | 2035-07-25 | — | Active |
| K4RSW | 11 | 53 | 2032-02-18 | — | Active (Vanity) |
| K4RSX | 11 | 55 | — | — | Available |
| K4RSY | 11 | 57 | — | — | Available |
| K4RSZ | 11 | 55 | 2017-10-06 | 2019-10-07 | Available |
| K4RTA | 10 | 47 | 2028-07-19 | — | Active (Vanity) |
| K4RTB | 10 | 51 | 2032-05-04 | — | Active (Vanity) |
| K4RTC | 10 | 53 | 2025-07-06 | — | Active (Vanity) |
| K4RTD | 10 | 49 | — | — | Available |
| K4RTE | 10 | 43 | 2021-12-02 | 2023-12-03 | Available |
| K4RTF | 10 | 51 | — | — | Available |
| K4RTG | 9 | 51 | 2031-04-13 | — | Active (Vanity) |
| K4RTH | 10 | 49 | 2032-08-06 | — | Active (Vanity) |
| K4RTI | 11 | 45 | — | — | Available |
| K4RTJ | 11 | 55 | 2024-03-05 | 2026-03-06 | Available |
| K4RTK | 10 | 51 | 2027-10-21 | — | Active |
| K4RTL | 10 | 51 | 2026-03-15 | — | Active (Vanity) |
| K4RTM | 9 | 49 | 2025-02-10 | — | Active (Vanity) |
| K4RTN | 11 | 47 | 2029-05-10 | — | Active (Vanity) |
| K4RTO | 10 | 53 | 2020-02-12 | 2022-02-13 | Available |
| K4RTP | 10 | 53 | 2028-10-27 | — | Active (Vanity) |
| K4RTQ | 10 | 55 | 2035-08-12 | — | Active (Vanity) |
| K4RTR | 11 | 49 | 2034-03-15 | — | Active (Vanity) |