| Callsign | K1YUU |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2017-04-04 |
| Effective Date | 2025-11-19 |
| Expire Date | 2027-04-04 |
| Cancel Date | |
| Last Action Date | 2025-11-19 |
| End Date | 2027-04-04 |
| Available Date | 2029-04-05 |
| Applicant Type | I - Individual |
| Entity Name | Sowden, Matthew C |
| Street Address / Locality | PO Box 340 Germantown, MD 20875 |
| County | Montgomery |
| Zip Location | 39°08'38.4"N 77°12'27.4"W |
| Maidenhead | FM19jd |
| FRN | 0024656159 |
| Licensee ID/SGIN | L01948934 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 1 / 3 / MD |
| Prev Callsign / Prev Class | KC3FCZ |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | |
| Phonetic weight / Morse weight | 11 / 68 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2017-04-04 | LIISS - License Issued |
| 2017-04-04 | VANGRT - Vanity Call Sign Assigned |
| 2018-06-23 | LIAUA - Administrative Update Applied |
| 2021-08-17 | LIAUA - Administrative Update Applied |
| 2023-01-27 | LIAUA - Administrative Update Applied |
| 2025-11-19 | LIAUA - Administrative Update Applied |