| Callsign | NA4CB |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2026-05-20 |
| Effective Date | 2026-05-20 |
| Expire Date | 2036-05-20 |
| Cancel Date | |
| Last Action Date | 2026-05-20 |
| End Date | 2036-05-20 |
| Available Date | 2038-05-21 |
| Applicant Type | I - Individual |
| Entity Name | Koyama, Katsuhiro |
| Street Address / Locality | C/O Yuki SAKAI 5520 Glades Cut-off road N7022 Fort Pierce, FL 34981 |
| County | St. Lucie County |
| Zip Location | 27°23'39.2"N 80°22'14.1"W |
| Maidenhead | EL97tj |
| FRN | 0038371464 |
| Licensee ID/SGIN | L03045884 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | B - 2x2 |
| ULS/Geo Region | 4 / 4 / FL |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 11 / 56 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2026-05-20 | SYSGRT - New Systematic Call Sign Assigned |
| 2026-05-20 | LIISS - License Issued |