| Callsign | KK4YZU |
|---|---|
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2014-03-10 |
| Effective Date | 2014-03-10 |
| Expire Date | 2024-03-10 |
| Cancel Date | 2026-03-11 |
| Last Action Date | 2026-03-11 |
| End Date | 2024-03-10 |
| Available Date | 2026-04-11 |
| Applicant Type | I - Individual |
| Entity Name | CALDWELL, MICHAEL |
| Street Address / Locality | 4501 ARLINGTON BLVD #102 ARLINGTON, VA 22203 |
| County | Arlington County |
| Zip Location | 38°52'25.4"N 77°07'02.2"W |
| Maidenhead | FM18ku |
| FRN | 0023409758 |
| Licensee ID/SGIN | L01848554 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0006190657 |
| Phonetic weight / Morse weight | 13 / 78 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2014-03-10 | SYSGRT - New Systematic Call Sign Assigned |
| 2014-03-10 | LIISS - License Issued |
| 2026-03-11 | LIEXP - License Expired |