| Callsign | WL7O |
| Radio Service | HV - Vanity |
| License Status | C - Canceled |
| Grant Date | 2006-12-05 |
| Effective Date | 2006-12-05 |
| Expire Date | 2016-12-05 |
| Cancel Date | 2013-11-19 |
| Last Action Date | 2013-11-19 |
| End Date | 2013-11-19 |
| Available Date | 2015-11-20 |
| Applicant Type | I - Individual |
| Entity Name | Chamberlain, Frank A |
| Street Address / Locality | PO Box 521888 Big Lake, AK 99652 |
| County | Matanuska-Susitna Borough |
| Zip Location | 61°30'56.0"N 149°58'31.9"W |
| Maidenhead | BP51am |
| FRN | 0010118289 |
| Licensee ID/SGIN | L00790003 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | A - 2x1 |
| ULS/Geo Region | 11 / 11 / AK |
| Prev Callsign / Prev Class | KL1OT G - General |
| Next Callsign | KL7XU |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | |
| Phonetic weight / Morse weight | 8 / 54 |