| Callsign | KO4WOK |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2022-02-08 |
| Effective Date | 2023-06-05 |
| Expire Date | 2032-02-08 |
| Cancel Date | 2026-03-14 |
| Last Action Date | 2026-03-14 |
| End Date | 2026-03-14 |
| Available Date | 2028-03-15 |
| Applicant Type | I - Individual |
| Entity Name | Groccia, David S |
| Street Address / Locality | 6921 Custis Pkwy Falls Church, VA 22042 |
| County | Fairfax County |
| Zip Location | 38°51'54.1"N 77°11'49.6"W |
| Maidenhead | FM18ju |
| FRN | 0031831753 |
| Licensee ID/SGIN | L02524862 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | G - General |
| Next Callsign | W9DSG |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0010573271 |
| Phonetic weight / Morse weight | 12 / 78 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2022-02-08 | SYSGRT - New Systematic Call Sign Assigned |
| 2022-02-08 | LIISS - License Issued |
| 2022-03-14 | LIMOD - License Modified |
| 2023-06-05 | LIMOD - License Modified |
| 2026-03-14 | LICAN - License Canceled |
FCC comments
| 2026-03-14 | Issued vanity call sign. |