| Callsign | K4DWB |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2026-06-04 |
| Effective Date | 2026-06-04 |
| Expire Date | 2036-01-23 |
| Cancel Date | |
| Last Action Date | 2026-06-04 |
| End Date | 2036-01-23 |
| Available Date | 2038-01-24 |
| Applicant Type | I - Individual |
| Entity Name | ANDRUS, DONALD W |
| Street Address / Locality | 1554 BRADLEY DR BOULDER, CO 803057374 |
| County | Boulder County |
| Zip Location | 39°58'31.2"N 105°14'53.4"W |
| Maidenhead | DM79jx |
| FRN | 0014264360 |
| Licensee ID/SGIN | L01083689 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 0 / CO |
| Prev Callsign / Prev Class | P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0012069152 |
| Phonetic weight / Morse weight | 10 / 60 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2005-11-14 | LITIN - TIN Updated |
| 2005-11-14 | LIREN - License Renewed |
| 2015-11-09 | LIREN - License Renewed |
| 2026-06-04 | LIREN - License Renewed |
| 2026-06-04 | LIAUA - Administrative Update Applied |