| Callsign | W1KOA |
| Radio Service | HV - Vanity |
| License Status | C - Canceled |
| Grant Date | 2016-10-21 |
| Effective Date | 2017-02-01 |
| Expire Date | 2026-10-21 |
| Cancel Date | 2017-10-28 |
| Last Action Date | 2017-10-28 |
| End Date | 2017-10-28 |
| Available Date | 2019-10-29 |
| Applicant Type | I - Individual |
| Entity Name | BILLINGTON, WILLIAM R |
| Street Address / Locality | 3226 W. Slaughter Ln #303 Austin, TX 78748 |
| County | Travis County |
| Zip Location | 30°09'59.2"N 97°49'24.2"W |
| Maidenhead | EM10cd |
| FRN | 0003634672 |
| Licensee ID/SGIN | L00129784 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 1 / 5 / TX |
| Prev Callsign / Prev Class | N5LRM P - Technician Plus |
| Next Callsign | K5KOA |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | |
| Phonetic weight / Morse weight | 9 / 66 |