| Callsign | KO4OZN |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2021-04-02 |
| Effective Date | 2022-06-28 |
| Expire Date | 2031-04-02 |
| Cancel Date | 2022-08-05 |
| Last Action Date | 2022-08-05 |
| End Date | 2022-08-05 |
| Available Date | 2024-08-06 |
| Applicant Type | I - Individual |
| Entity Name | Yu, Yong R |
| Street Address / Locality | 13129 POPLAR RD., PO Box 22033 FAIRFAX, VA 22033 |
| County | Fairfax County |
| Zip Location | 38°52'30.8"N 77°23'05.0"W |
| Maidenhead | FM18hv |
| FRN | 0030743116 |
| Licensee ID/SGIN | L02436123 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | G - General |
| Next Callsign | N3LX |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0010108936 |
| Phonetic weight / Morse weight | 13 / 76 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2021-04-02 | SYSGRT - New Systematic Call Sign Assigned |
| 2021-04-02 | LIISS - License Issued |
| 2021-06-28 | LIMOD - License Modified |
| 2021-09-21 | LIAUA - Administrative Update Applied |
| 2022-06-28 | LIMOD - License Modified |
| 2022-08-05 | LICAN - License Canceled |
FCC comments
| 2022-08-05 | Issued vanity call sign. |