| Callsign | W4TWK |
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 1993-06-08 |
| Effective Date | 1993-06-08 |
| Expire Date | 2003-06-08 |
| Cancel Date | 2005-06-09 |
| Last Action Date | 2005-06-09 |
| End Date | 2003-06-08 |
| Available Date | 2005-07-10 |
| Applicant Type | I - Individual |
| Entity Name | FITZPATRICK JR, WILLIAM O |
| Street Address / Locality | 4116 S SHADES CREST RD BIRMINGHAM, AL 35244 |
| County | Shelby County |
| Zip Location | 33°21'10.5"N 86°49'31.2"W |
| Maidenhead | EM63oi |
| FRN | |
| Licensee ID/SGIN | / 000 |
| Licensee Class | G - General |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 4 / AL |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 9400289066 |
| Phonetic weight / Morse weight | 10 / 56 |