| Callsign | K6TRU |
| Radio Service | HV - Vanity |
| License Status | E - Expired |
| Grant Date | 2008-05-23 |
| Effective Date | 2008-05-23 |
| Expire Date | 2018-08-17 |
| Cancel Date | 2020-08-18 |
| Last Action Date | 2020-08-18 |
| End Date | 2018-08-17 |
| Available Date | 2020-09-18 |
| Applicant Type | I - Individual |
| Entity Name | BARNES, DAVID B |
| Street Address / Locality | 116 DUNSMUIR WAY MENLO PARK, CA 94025 |
| County | San Mateo County |
| Zip Location | 37°27'23.0"N 122°10'25.0"W |
| Maidenhead | CM87vk |
| FRN | 0017783465 |
| Licensee ID/SGIN | L01401097 / 000 |
| Licensee Class | G - General |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 6 / 6 / CA |
| Prev Callsign / Prev Class | KD6DMS P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0003442601 |
| Phonetic weight / Morse weight | 11 / 52 |