| Callsign | KD3BDU |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2025-04-25 |
| Effective Date | 2025-04-25 |
| Expire Date | 2035-04-25 |
| Cancel Date | 2025-05-20 |
| Last Action Date | 2025-05-20 |
| End Date | 2025-05-20 |
| Available Date | 2027-05-21 |
| Applicant Type | I - Individual |
| Entity Name | Cho, Mason |
| Street Address / Locality | PO Box 83001 Gaithersburg, MD 208833001 |
| County | Montgomery |
| Zip Location | 39°05'17.9"N 77°09'24.5"W |
| Maidenhead | FM19kc |
| FRN | 0036909604 |
| Licensee ID/SGIN | L02926188 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 3 / 3 / MD |
| Prev Callsign / Prev Class | |
| Next Callsign | K1HAB |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 12 / 70 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2025-04-25 | SYSGRT - New Systematic Call Sign Assigned |
| 2025-04-25 | LIISS - License Issued |
| 2025-05-20 | LICAN - License Canceled |
FCC comments
| 2025-05-20 | Issued vanity call sign. |