| Callsign | KO4OOJ |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2021-03-22 |
| Effective Date | 2021-07-27 |
| Expire Date | 2031-03-22 |
| Cancel Date | |
| Last Action Date | 2021-07-27 |
| End Date | 2031-03-22 |
| Available Date | 2033-03-23 |
| Applicant Type | I - Individual |
| Entity Name | Zwierko, Richard C |
| Street Address / Locality | 1306 Mistyvale St Herndon, VA 20170 |
| County | Fairfax County |
| Zip Location | 38°58'47.4"N 77°22'47.1"W |
| Maidenhead | FM18hx |
| FRN | 0030658777 |
| Licensee ID/SGIN | L02432330 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | G - General |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0009637540 |
| Phonetic weight / Morse weight | 13 / 84 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2021-03-22 | SYSGRT - New Systematic Call Sign Assigned |
| 2021-03-22 | LIISS - License Issued |
| 2021-07-27 | LIMOD - License Modified |