| Callsign | KR4CTB |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2025-04-01 |
| Effective Date | 2025-04-01 |
| Expire Date | 2035-04-01 |
| Cancel Date | 2025-04-19 |
| Last Action Date | 2025-04-19 |
| End Date | 2025-04-19 |
| Available Date | 2027-04-20 |
| Applicant Type | I - Individual |
| Entity Name | Simpson, William H |
| Street Address / Locality | 3905 Abby Ln Jacksonville, FL 322076846 |
| County | Duval County |
| Zip Location | 30°17'22.7"N 81°38'27.5"W |
| Maidenhead | EM90eg |
| FRN | 0036027357 |
| Licensee ID/SGIN | L02850038 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / FL |
| Prev Callsign / Prev Class | |
| Next Callsign | K4YJA |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 13 / 68 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2025-04-01 | SYSGRT - New Systematic Call Sign Assigned |
| 2025-04-01 | LIISS - License Issued |
| 2025-04-19 | LICAN - License Canceled |
FCC comments
| 2025-04-19 | Issued vanity call sign. |