| Callsign | K0RU |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2026-07-02 |
| Effective Date | 2026-07-02 |
| Expire Date | 2036-05-23 |
| Cancel Date | |
| Last Action Date | 2026-07-02 |
| End Date | 2036-05-23 |
| Available Date | 2038-05-24 |
| Applicant Type | I - Individual |
| Entity Name | UNDERWOOD, ROBERT D |
| Street Address / Locality | 26047 IVORY PALM DR HOMELAND, CA 925489534 |
| County | Riverside County |
| Zip Location | 33°45'31.2"N 117°06'34.1"W |
| Maidenhead | DM13ks |
| FRN | 0002748754 |
| Licensee ID/SGIN | L00232668 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | A - 1x2 |
| ULS/Geo Region | 0 / 6 / CA |
| Prev Callsign / Prev Class | W8YRB G - General |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0012100565 |
| Phonetic weight / Morse weight | 10 / 54 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2006-05-23 | LIISS - License Issued |
| 2006-05-23 | VANGRT - Vanity Call Sign Assigned |
| 2016-03-17 | LIREN - License Renewed |
| 2022-04-20 | LIAUA - Administrative Update Applied |
| 2022-09-07 | LIAUA - Administrative Update Applied |
| 2026-07-02 | LIREN - License Renewed |
| 2026-07-02 | LIAUA - Administrative Update Applied |