| Callsign | AF4UV |
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2020-07-28 |
| Effective Date | 2020-07-28 |
| Expire Date | 2030-10-09 |
| Cancel Date | |
| Last Action Date | 2020-07-28 |
| End Date | 2030-10-09 |
| Available Date | 2032-10-10 |
| Applicant Type | I - Individual |
| Entity Name | CHANG, MICHAEL Y |
| Street Address / Locality | 110 SYCAMORE RIDGE RD FREDERICKSBURG, VA 22405 |
| County | Stafford County |
| Zip Location | 38°18'49.0"N 77°24'14.1"W |
| Maidenhead | FM18hh |
| FRN | 0002884898 |
| Licensee ID/SGIN | L00229091 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | A - 2x2 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | KC4SUW P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 11 / 56 |