| Callsign | W6FFF |
| Radio Service | HV - Vanity |
| License Status | E - Expired |
| Grant Date | 2007-11-27 |
| Effective Date | 2007-11-27 |
| Expire Date | 2018-02-06 |
| Cancel Date | 2020-02-07 |
| Last Action Date | 2020-02-07 |
| End Date | 2018-02-06 |
| Available Date | 2020-03-09 |
| Applicant Type | I - Individual |
| Entity Name | WALKER, FREDERICK M |
| Street Address / Locality | 571 W. Hamilton Ave. EL CENTRO, CA 922433925 |
| County | Imperial County |
| Zip Location | 32°46'12.7"N 115°35'54.9"W |
| Maidenhead | DM22es |
| FRN | 0014981096 |
| Licensee ID/SGIN | L01145370 / 000 |
| Licensee Class | G - General |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 6 / 6 / CA |
| Prev Callsign / Prev Class | KE6JZN P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 9801025995 |
| Phonetic weight / Morse weight | 9 / 62 |