District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| WU4CA | 10 | 55 | — | — | Available |
| WU4CB | 10 | 59 | — | — | Available |
| WU4CC | 10 | 61 | — | — | Available |
| WU4CD | 10 | 57 | — | — | Available |
| WU4CE | 10 | 51 | — | — | Available |
| WU4CF | 10 | 59 | — | — | Available |
| WU4CG | 9 | 59 | — | — | Available |
| WU4CH | 10 | 57 | — | — | Available |
| WU4CI | 11 | 53 | — | — | Available |
| WU4CJ | 11 | 63 | — | — | Available |
| WU4CK | 10 | 59 | — | — | Available |
| WU4CL | 10 | 59 | — | — | Available |
| WU4CM | 9 | 57 | — | — | Available |
| WU4CN | 11 | 55 | — | — | Available |
| WU4CO | 10 | 61 | — | — | Available |
| WU4CP | 10 | 61 | — | — | Available |
| WU4CQ | 10 | 63 | — | — | Available |
| WU4CR | 11 | 57 | — | — | Available |
| WU4CS | 11 | 55 | — | — | Available |
| WU4CT | 10 | 53 | — | — | Available |
| WU4CU | 11 | 57 | — | — | Available |
| WU4CV | 10 | 59 | — | — | Available |
| WU4CW | 10 | 59 | — | — | Available |
| WU4CX | 10 | 61 | — | — | Available |
| WU4CY | 10 | 63 | — | — | Available |
| WU4CZ | 10 | 61 | — | — | Available |
| WU4DA | 10 | 51 | — | — | Available |
| WU4DB | 10 | 55 | — | — | Available |
| WU4DC | 10 | 57 | — | — | Available |
| WU4DD | 10 | 53 | — | — | Available |
| WU4DE | 10 | 47 | — | — | Available |
| WU4DF | 10 | 55 | — | — | Available |
| WU4DG | 9 | 55 | — | — | Available |
| WU4DH | 10 | 53 | — | — | Available |
| WU4DI | 11 | 49 | — | — | Available |
| WU4DJ | 11 | 59 | — | — | Available |
| WU4DK | 10 | 55 | — | — | Available |
| WU4DL | 10 | 55 | — | — | Available |
| WU4DM | 9 | 53 | — | — | Available |
| WU4DN | 11 | 51 | — | — | Available |
| WU4DO | 10 | 57 | — | — | Available |
| WU4DP | 10 | 57 | — | — | Available |
| WU4DQ | 10 | 59 | — | — | Available |
| WU4DR | 11 | 53 | — | — | Available |
| WU4DS | 11 | 51 | — | — | Available |
| WU4DT | 10 | 49 | — | — | Available |
| WU4DU | 11 | 53 | — | — | Available |
| WU4DV | 10 | 55 | — | — | Available |
| WU4DW | 10 | 55 | — | — | Available |
| WU4DX | 10 | 57 | — | — | Available |
| WU4DY | 10 | 59 | — | — | Available |
| WU4DZ | 10 | 57 | — | — | Available |
| WU4EA | 10 | 45 | — | — | Available |
| WU4EB | 10 | 49 | — | — | Available |
| WU4EC | 10 | 51 | — | — | Available |
| WU4ED | 10 | 47 | — | — | Available |
| WU4EE | 10 | 41 | — | — | Available |
| WU4EF | 10 | 49 | — | — | Available |
| WU4EG | 9 | 49 | — | — | Available |
| WU4EH | 10 | 47 | — | — | Available |
| WU4EI | 11 | 43 | — | — | Available |
| WU4EJ | 11 | 53 | — | — | Available |
| WU4EK | 10 | 49 | — | — | Available |
| WU4EL | 10 | 49 | — | — | Available |
| WU4EM | 9 | 47 | — | — | Available |
| WU4EN | 11 | 45 | — | — | Available |
| WU4EO | 10 | 51 | — | — | Available |
| WU4EP | 10 | 51 | — | — | Available |
| WU4EQ | 10 | 53 | — | — | Available |
| WU4ER | 11 | 47 | — | — | Available |
| WU4ES | 11 | 45 | — | — | Available |
| WU4ET | 10 | 43 | — | — | Available |
| WU4EU | 11 | 47 | — | — | Available |
| WU4EV | 10 | 49 | — | — | Available |
| WU4EW | 10 | 49 | — | — | Available |
| WU4EX | 10 | 51 | — | — | Available |
| WU4EY | 10 | 53 | — | — | Available |
| WU4EZ | 10 | 51 | — | — | Available |
| WU4FA | 10 | 53 | — | — | Available |
| WU4FB | 10 | 57 | — | — | Available |
| WU4FC | 10 | 59 | — | — | Available |
| WU4FD | 10 | 55 | — | — | Available |
| WU4FE | 10 | 49 | — | — | Available |
| WU4FF | 10 | 57 | — | — | Available |
| WU4FG | 9 | 57 | — | — | Available |
| WU4FH | 10 | 55 | — | — | Available |
| WU4FI | 11 | 51 | — | — | Available |
| WU4FJ | 11 | 61 | — | — | Available |
| WU4FK | 10 | 57 | — | — | Available |
| WU4FL | 10 | 57 | — | — | Available |
| WU4FM | 9 | 55 | — | — | Available |
| WU4FN | 11 | 53 | — | — | Available |
| WU4FO | 10 | 59 | — | — | Available |
| WU4FP | 10 | 59 | — | — | Available |
| WU4FQ | 10 | 61 | — | — | Available |
| WU4FR | 11 | 55 | — | — | Available |
| WU4FS | 11 | 53 | — | — | Available |
| WU4FT | 10 | 51 | — | — | Available |
| WU4FU | 11 | 55 | — | — | Available |
| WU4FV | 10 | 57 | — | — | Available |