| Callsign | N8GCB |
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2024-05-03 |
| Effective Date | 2024-05-03 |
| Expire Date | 2034-07-22 |
| Cancel Date | |
| Last Action Date | 2024-05-03 |
| End Date | 2034-07-22 |
| Available Date | 2036-07-23 |
| Applicant Type | I - Individual |
| Entity Name | UNDERWOOD, DAVID S |
| Street Address / Locality | 1321 Happy Valley Ave San Jose, CA 95129 |
| County | Santa Clara County |
| Zip Location | 37°18'20.7"N 122°00'03.3"W |
| Maidenhead | CM87xh |
| FRN | 0003959145 |
| Licensee ID/SGIN | L00286557 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 8 / 6 / CA |
| Prev Callsign / Prev Class | KA8TNW P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0011052977 |
| Phonetic weight / Morse weight | 9 / 64 |