| Callsign | W0MST |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2017-03-14 |
| Effective Date | 2024-08-16 |
| Expire Date | 2027-03-14 |
| Cancel Date | |
| Last Action Date | 2024-08-16 |
| End Date | 2027-03-14 |
| Available Date | 2029-03-15 |
| Applicant Type | I - Individual |
| Entity Name | Underdown, Gavin A |
| Street Address / Locality | 4136 Towers Rd Saint Charles, MO 63304 |
| County | St. Charles County |
| Zip Location | 38°42'12.6"N 90°40'03.1"W |
| Maidenhead | EM48pq |
| FRN | 0022874796 |
| Licensee ID/SGIN | L01805375 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 0 / 0 / MO |
| Prev Callsign / Prev Class | KD0WKF G - General |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0007782946 |
| Phonetic weight / Morse weight | 10 / 58 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2017-03-14 | LIISS - License Issued |
| 2017-03-14 | VANGRT - Vanity Call Sign Assigned |
| 2017-05-22 | LIMOD - License Modified |
| 2024-08-16 | LIAUA - Administrative Update Applied |