District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| W4SHM | 9 | 51 | 2006-10-08 | 2008-10-09 | Available |
| W4SHN | 11 | 49 | 2026-05-14 | — | Active (Vanity) |
| W4SHO | 10 | 55 | — | — | Available |
| W4SHP | 10 | 55 | 2027-04-06 | — | Active (Vanity) |
| W4SHQ | 10 | 57 | — | — | Available |
| W4SHR | 11 | 51 | 2026-04-01 | — | Active (Vanity) |
| W4SHS | 11 | 49 | 2031-10-22 | — | Active (Vanity) |
| W4SHT | 10 | 47 | 2025-04-25 | 2027-04-26 | Canceled (grace period) |
| W4SHU | 11 | 51 | 2033-03-18 | — | Active (Vanity) |
| W4SHV | 10 | 53 | 2031-02-09 | — | Active (Vanity) |
| W4SHW | 10 | 53 | 2036-06-05 | — | Active (Vanity) |
| W4SHX | 10 | 55 | — | — | Pending Application |
| W4SHY | 10 | 57 | 2032-11-08 | — | Active (Vanity) |
| W4SHZ | 10 | 55 | 2034-11-22 | — | Active (Vanity) |
| W4SIA | 11 | 45 | 2030-04-28 | — | Active (Vanity) |
| W4SIB | 11 | 49 | 2005-09-14 | 2007-09-15 | Available |
| W4SIC | 11 | 51 | — | — | Available |
| W4SID | 11 | 47 | 2033-11-28 | — | Active (Vanity) |
| W4SIE | 11 | 41 | 2027-08-14 | — | Active (Vanity) |
| W4SIF | 11 | 49 | 2025-11-28 | — | Active |
| W4SIG | 10 | 49 | 2028-12-30 | — | Active (Vanity) |
| W4SIH | 11 | 47 | 2009-11-18 | 2011-11-19 | Available |
| W4SII | 12 | 43 | — | — | Available |
| W4SIJ | 12 | 53 | 2031-06-22 | — | Active (Vanity) |
| W4SIK | 11 | 49 | 2010-12-04 | 2012-12-05 | Available |
| W4SIL | 11 | 49 | 2026-10-03 | — | Active (Vanity) |
| W4SIM | 10 | 47 | 2030-03-10 | — | Active (Vanity) |
| W4SIN | 12 | 45 | — | — | Available |
| W4SIO | 11 | 51 | — | — | Available |
| W4SIP | 11 | 51 | 2024-07-27 | 2026-07-28 | Available |
| W4SIQ | 11 | 53 | 2005-04-22 | 2007-04-23 | Available |
| W4SIR | 12 | 47 | 2025-11-10 | — | Active (Vanity) |
| W4SIS | 12 | 45 | 2027-04-01 | — | Active (Vanity) |
| W4SIT | 11 | 43 | — | — | Available |
| W4SIU | 12 | 47 | 2031-05-27 | — | Active (Vanity) |
| W4SIV | 11 | 49 | — | — | Available |
| W4SIW | 11 | 49 | — | — | Available |
| W4SIX | 11 | 51 | 2032-12-16 | — | Active (Vanity) |
| W4SIY | 11 | 53 | — | — | Available |
| W4SIZ | 11 | 51 | — | — | Available |
| W4SJA | 11 | 55 | 2014-06-02 | 2016-06-03 | Available |
| W4SJB | 11 | 59 | 2031-01-06 | — | Active (Vanity) |
| W4SJC | 11 | 61 | 2031-08-28 | — | Active (Vanity) |
| W4SJD | 11 | 57 | 2034-08-09 | — | Active (Vanity) |
| W4SJE | 11 | 51 | 2032-12-15 | — | Active (Vanity) |
| W4SJF | 11 | 59 | 2028-08-19 | — | Active (Vanity) |
| W4SJG | 10 | 59 | — | — | Available |
| W4SJH | 11 | 57 | 2030-02-28 | — | Active (Vanity) |
| W4SJI | 12 | 53 | — | — | Available |
| W4SJJ | 12 | 63 | 2019-03-31 | 2021-04-01 | Available |
| W4SJK | 11 | 59 | — | — | Available |
| W4SJL | 11 | 59 | 2027-01-27 | — | Active (Vanity) |
| W4SJM | 10 | 57 | 2027-05-23 | — | Active (Vanity) |
| W4SJN | 12 | 55 | 2035-05-01 | — | Active (Vanity) |
| W4SJO | 11 | 61 | 2035-12-09 | — | Active (Vanity) |
| W4SJP | 11 | 61 | 2030-04-03 | — | Active (Vanity) |
| W4SJQ | 11 | 63 | — | — | Available |
| W4SJR | 12 | 57 | 2031-07-27 | — | Active (Vanity) |
| W4SJS | 12 | 55 | 2031-08-03 | — | Active (Vanity) |
| W4SJT | 11 | 53 | 2033-03-15 | — | Active (Vanity) |
| W4SJU | 12 | 57 | 2007-07-22 | 2009-07-23 | Available |
| W4SJV | 11 | 59 | 2034-10-05 | — | Active (Vanity) |
| W4SJW | 11 | 59 | 2030-05-19 | — | Active (Vanity) |
| W4SJX | 11 | 61 | — | — | Available |
| W4SJY | 11 | 63 | — | — | Available |
| W4SJZ | 11 | 61 | 2033-10-13 | — | Active (Vanity) |
| W4SKA | 10 | 51 | 2025-06-02 | — | Active (Vanity) |
| W4SKB | 10 | 55 | 2030-05-26 | — | Active (Vanity) |
| W4SKC | 10 | 57 | — | — | Available |
| W4SKD | 10 | 53 | 2000-10-11 | 2002-10-12 | Available |
| W4SKE | 10 | 47 | 2024-03-01 | 2026-03-02 | Available |
| W4SKF | 10 | 55 | 2016-05-03 | 2018-05-04 | Available |
| W4SKG | 9 | 55 | 2027-06-26 | — | Active (Vanity) |
| W4SKH | 10 | 53 | 2033-04-13 | — | Active |
| W4SKI | 11 | 49 | 2029-06-02 | — | Active (Vanity) |
| W4SKJ | 11 | 59 | 2032-09-02 | — | Active (Vanity) |
| W4SKK | 10 | 55 | 2015-10-17 | 2017-10-18 | Available |
| W4SKL | 10 | 55 | — | — | Available |
| W4SKM | 9 | 53 | 2029-05-29 | — | Active (Vanity) |
| W4SKN | 11 | 51 | — | — | Available |
| W4SKO | 10 | 57 | 2028-09-23 | — | Active (Vanity) |
| W4SKP | 10 | 57 | 2030-05-02 | — | Active (Vanity) |
| W4SKQ | 10 | 59 | 2030-08-06 | — | Active (Vanity) |
| W4SKR | 11 | 53 | 2035-11-13 | — | Active (Vanity) |
| W4SKS | 11 | 51 | 2029-02-20 | — | Active (Vanity) |
| W4SKT | 10 | 49 | 2030-10-26 | — | Active (Vanity) |
| W4SKU | 11 | 53 | — | — | Available |
| W4SKV | 10 | 55 | 2016-04-25 | 2018-04-26 | Available |
| W4SKW | 10 | 55 | 2029-03-29 | — | Active (Vanity) |
| W4SKX | 10 | 57 | 2006-05-02 | 2008-05-03 | Available |
| W4SKY | 10 | 59 | 2030-05-21 | — | Active (Vanity) |
| W4SKZ | 10 | 57 | — | — | Available |
| W4SLA | 10 | 51 | 2031-10-23 | — | Active (Vanity) |
| W4SLB | 10 | 55 | 2036-08-23 | — | Active (Vanity) |
| W4SLC | 10 | 57 | 2029-08-04 | — | Active (Vanity) |
| W4SLD | 10 | 53 | 2029-12-01 | — | Active (Vanity) |
| W4SLE | 10 | 47 | 2014-03-29 | 2016-03-30 | Available |
| W4SLF | 10 | 55 | — | — | Available |
| W4SLG | 9 | 55 | 2030-08-28 | — | Active (Vanity) |
| W4SLH | 10 | 53 | 2028-03-27 | — | Active (Vanity) |