| Callsign | K4OBY |
| Radio Service | HV - Vanity |
| License Status | E - Expired |
| Grant Date | 1998-04-28 |
| Effective Date | 1998-04-28 |
| Expire Date | 2008-04-28 |
| Cancel Date | 2010-04-29 |
| Last Action Date | 2010-04-29 |
| End Date | 2008-04-28 |
| Available Date | 2010-05-30 |
| Applicant Type | I - Individual |
| Entity Name | HALL JR, JAMES G |
| Street Address / Locality | 23160 HAMLET LN BRISTOL, VA 24202 |
| County | Washington County |
| Zip Location | 36°39'22.7"N 82°12'44.0"W |
| Maidenhead | EM86vp |
| FRN | 0019655695 |
| Licensee ID/SGIN | L01553987 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | N7OBY P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 9803295997 |
| Phonetic weight / Morse weight | 10 / 68 |