| Callsign | W0GBM |
| Radio Service | HV - Vanity |
| License Status | E - Expired |
| Grant Date | 2010-04-30 |
| Effective Date | 2010-04-30 |
| Expire Date | 2020-07-18 |
| Cancel Date | 2022-07-19 |
| Last Action Date | 2022-07-19 |
| End Date | 2020-07-18 |
| Available Date | 2022-08-19 |
| Applicant Type | I - Individual |
| Entity Name | Mattox, Gilbert B |
| Street Address / Locality | 2517 Polk St Omaha, NE 68107 |
| County | Douglas County |
| Zip Location | 41°12'36.4"N 95°57'15.1"W |
| Maidenhead | EN21af |
| FRN | 0002238962 |
| Licensee ID/SGIN | L00237142 / 000 |
| Licensee Class | G - General |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 0 / 0 / NE |
| Prev Callsign / Prev Class | WD0DVE P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0004226897 |
| Phonetic weight / Morse weight | 8 / 68 |