| Callsign | AD0AU |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2026-02-26 |
| Effective Date | 2026-02-26 |
| Expire Date | 2036-05-24 |
| Cancel Date | |
| Last Action Date | 2026-02-26 |
| End Date | 2036-05-24 |
| Available Date | 2038-05-25 |
| Applicant Type | I - Individual |
| Entity Name | STEVENS, MARK R |
| Street Address / Locality | 4078 HWY 221 FARMINGTON, MO 63640 |
| County | St. Francois County |
| Zip Location | 37°45'16.8"N 90°22'50.0"W |
| Maidenhead | EM47ts |
| FRN | 0014812549 |
| Licensee ID/SGIN | L01155291 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | A - 2x2 |
| ULS/Geo Region | 0 / 0 / MO |
| Prev Callsign / Prev Class | KC0WWB G - General |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 11 / 58 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2012-06-20 | LIISS - License Issued |
| 2012-06-20 | SYSGRT - New Systematic Call Sign Assigned |
| 2012-06-26 | LIAUA - Administrative Update Applied |
| 2012-06-26 | LIAUA - Administrative Update Applied |
| 2016-02-25 | LIREN - License Renewed |
| 2026-02-10 | LIAUA - Administrative Update Applied |
| 2026-02-26 | LIREN - License Renewed |