District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| W4SPF | 10 | 57 | 2035-07-05 | — | Active (Vanity) |
| W4SPG | 9 | 57 | 2027-12-29 | — | Active (Vanity) |
| W4SPH | 10 | 55 | 2029-04-09 | — | Active (Vanity) |
| W4SPI | 11 | 51 | 2027-12-05 | — | Active (Vanity) |
| W4SPJ | 11 | 61 | 2024-03-05 | 2026-03-06 | Available |
| W4SPK | 10 | 57 | 2026-06-18 | — | Active (Vanity) |
| W4SPL | 10 | 57 | — | — | Pending Application |
| W4SPM | 9 | 55 | 2031-07-20 | — | Active (Vanity) |
| W4SPN | 11 | 53 | 2030-06-23 | — | Active (Vanity) |
| W4SPO | 10 | 59 | 2028-04-20 | — | Active (Vanity) |
| W4SPP | 10 | 59 | 2035-01-14 | — | Active (Vanity) |
| W4SPQ | 10 | 61 | — | — | Available |
| W4SPR | 11 | 55 | 2036-07-02 | — | Active (Vanity) |
| W4SPS | 11 | 53 | 2026-12-02 | — | Active (Vanity) |
| W4SPT | 10 | 51 | 2028-06-10 | — | Active (Vanity) |
| W4SPU | 11 | 55 | 2007-02-25 | 2009-02-26 | Available |
| W4SPV | 10 | 57 | 2031-04-13 | — | Active (Vanity) |
| W4SPW | 10 | 57 | 2035-05-06 | — | Active (Vanity) |
| W4SPX | 10 | 59 | — | — | Pending Application |
| W4SPY | 10 | 61 | 2029-02-03 | — | Active (Vanity) |
| W4SPZ | 10 | 59 | 2028-04-08 | — | Active (Vanity) |
| W4SQA | 10 | 55 | — | — | Available |
| W4SQB | 10 | 59 | 2030-04-24 | — | Active (Vanity) |
| W4SQC | 10 | 61 | 2027-01-28 | — | Active |
| W4SQD | 10 | 57 | 2021-08-21 | 2023-08-22 | Available |
| W4SQE | 10 | 51 | 2024-03-22 | 2026-03-23 | Available |
| W4SQF | 10 | 59 | — | — | Available |
| W4SQG | 9 | 59 | 2025-09-15 | — | Active (Vanity) |
| W4SQH | 10 | 57 | 2006-02-16 | 2008-02-17 | Available |
| W4SQI | 11 | 53 | — | — | Available |
| W4SQJ | 11 | 63 | — | — | Available |
| W4SQK | 10 | 59 | — | — | Available |
| W4SQL | 10 | 59 | 2028-07-19 | — | Active (Vanity) |
| W4SQM | 9 | 57 | — | — | Available |
| W4SQN | 11 | 55 | — | — | Available |
| W4SQO | 10 | 61 | — | — | Available |
| W4SQP | 10 | 61 | — | — | Available |
| W4SQQ | 10 | 63 | — | — | Available |
| W4SQR | 11 | 57 | 2007-06-03 | 2009-06-04 | Available |
| W4SQS | 11 | 55 | — | — | Available |
| W4SQT | 10 | 53 | 2027-06-09 | — | Active |
| W4SQU | 11 | 57 | — | — | Available |
| W4SQV | 10 | 59 | 2031-03-20 | — | Active (Vanity) |
| W4SQW | 10 | 59 | — | — | Available |
| W4SQX | 10 | 61 | — | — | Available |
| W4SQY | 10 | 63 | 2008-07-29 | 2010-07-30 | Available |
| W4SQZ | 10 | 61 | — | — | Available |
| W4SRA | 11 | 49 | 2029-09-24 | — | Active (Vanity) |
| W4SRB | 11 | 53 | 2034-07-16 | — | Active (Vanity) |
| W4SRC | 11 | 55 | 2034-08-23 | — | Active (Vanity) |
| W4SRD | 11 | 51 | 2031-10-08 | — | Active (Vanity) |
| W4SRE | 11 | 45 | 2027-12-19 | — | Active (Vanity) |
| W4SRF | 11 | 53 | 2024-03-05 | 2026-03-06 | Available |
| W4SRG | 10 | 53 | 2034-07-12 | — | Active (Vanity) |
| W4SRH | 11 | 51 | 2031-10-12 | — | Active (Vanity) |
| W4SRI | 12 | 47 | — | — | Available |
| W4SRJ | 12 | 57 | — | — | Available |
| W4SRK | 11 | 53 | 2028-01-14 | — | Active (Vanity) |
| W4SRL | 11 | 53 | 2026-02-14 | — | Active |
| W4SRM | 10 | 51 | 2029-05-21 | — | Active (Vanity) |
| W4SRN | 12 | 49 | 2030-05-09 | — | Active (Vanity) |
| W4SRO | 11 | 55 | 2024-10-05 | 2026-10-06 | Available |
| W4SRP | 11 | 55 | 2030-02-19 | — | Active (Vanity) |
| W4SRQ | 11 | 57 | 2021-01-28 | 2023-01-29 | Available |
| W4SRR | 12 | 51 | 2024-11-01 | 2026-11-02 | Available |
| W4SRS | 12 | 49 | 2034-02-20 | — | Active (Vanity) |
| W4SRT | 11 | 47 | 2022-03-10 | 2024-03-11 | Available |
| W4SRU | 12 | 51 | — | — | Available |
| W4SRV | 11 | 53 | 2031-08-18 | — | Active (Vanity) |
| W4SRW | 11 | 53 | — | — | Available |
| W4SRX | 11 | 55 | 2012-01-24 | 2014-01-25 | Available |
| W4SRY | 11 | 57 | — | — | Available |
| W4SRZ | 11 | 55 | 2006-03-14 | 2008-03-15 | Available |
| W4SSA | 11 | 47 | 2031-05-04 | — | Active (Vanity) |
| W4SSB | 11 | 51 | 2028-09-28 | — | Active (Vanity) |
| W4SSC | 11 | 53 | 2031-08-14 | — | Active (Vanity) |
| W4SSD | 11 | 49 | — | — | Available |
| W4SSE | 11 | 43 | 2029-04-08 | — | Active (Vanity) |
| W4SSF | 11 | 51 | 2030-04-24 | — | Active (Vanity) |
| W4SSG | 10 | 51 | 2017-01-24 | 2019-01-25 | Available |
| W4SSH | 11 | 49 | 2031-03-20 | — | Active (Vanity) |
| W4SSI | 12 | 45 | 2024-03-05 | 2026-03-06 | Available |
| W4SSJ | 12 | 55 | 2035-12-10 | — | Active (Vanity) |
| W4SSK | 11 | 51 | — | — | Available |
| W4SSL | 11 | 51 | 2036-10-18 | — | Active (Vanity) |
| W4SSM | 10 | 49 | 2025-01-11 | 2027-01-12 | Canceled (grace period) |
| W4SSN | 12 | 47 | 2028-10-10 | — | Active (Vanity) |
| W4SSO | 11 | 53 | 2024-12-28 | — | Active (Vanity) |
| W4SSP | 11 | 53 | 2028-04-18 | — | Active (Vanity) |
| W4SSQ | 11 | 55 | 2007-02-06 | 2009-02-07 | Available |
| W4SSR | 12 | 49 | 2027-12-22 | — | Active (Vanity) |
| W4SSS | 12 | 47 | 2035-09-29 | — | Active (Vanity) |
| W4SST | 11 | 45 | 2030-05-12 | — | Active (Vanity) |
| W4SSU | 12 | 49 | 2014-05-10 | 2016-05-11 | Available |
| W4SSV | 11 | 51 | 2027-03-12 | — | Active (Vanity) |
| W4SSW | 11 | 51 | 2031-02-23 | — | Active (Vanity) |
| W4SSX | 11 | 53 | 2030-05-21 | — | Active (Vanity) |
| W4SSY | 11 | 55 | 2024-12-31 | — | Active |
| W4SSZ | 11 | 53 | 2008-12-17 | 2010-12-18 | Available |
| W4STA | 10 | 45 | 2025-12-08 | — | Active |