| Callsign | W3TKO |
| Radio Service | HV - Vanity |
| License Status | C - Canceled |
| Grant Date | 2017-04-18 |
| Effective Date | 2017-04-18 |
| Expire Date | 2027-04-18 |
| Cancel Date | 2021-09-17 |
| Last Action Date | 2021-09-17 |
| End Date | 2021-09-17 |
| Available Date | 2023-09-18 |
| Applicant Type | I - Individual |
| Entity Name | ROBERTS, JOSEPH F |
| Street Address / Locality | 1337 21st St NW Washington, DC 20036 |
| County | District of Columbia |
| Zip Location | 38°54'25.3"N 77°02'29.6"W |
| Maidenhead | FM18lv |
| FRN | 0004006201 |
| Licensee ID/SGIN | L00275515 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 3 / 3 / DC |
| Prev Callsign / Prev Class | N5KAT P - Technician Plus |
| Next Callsign | AC3Y |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | |
| Phonetic weight / Morse weight | 9 / 60 |