| Callsign | KD3CNK |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2026-02-03 |
| Effective Date | 2026-02-03 |
| Expire Date | 2036-02-03 |
| Cancel Date | 2026-02-21 |
| Last Action Date | 2026-02-21 |
| End Date | 2026-02-21 |
| Available Date | 2028-02-22 |
| Applicant Type | I - Individual |
| Entity Name | Brennan, Matthew D |
| Street Address / Locality | 803 Maryland Ave NE Washington, DC 200025305 |
| County | District of Columbia |
| Zip Location | 38°54'18.1"N 76°59'01.0"W |
| Maidenhead | FM18mv |
| FRN | 0012197240 |
| Licensee ID/SGIN | L00944327 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 3 / 3 / DC |
| Prev Callsign / Prev Class | |
| Next Callsign | N1UGL |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 12 / 72 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2026-02-03 | SYSGRT - New Systematic Call Sign Assigned |
| 2026-02-03 | LIISS - License Issued |
| 2026-02-21 | LICAN - License Canceled |
FCC comments
| 2026-02-21 | Issued vanity call sign. |