| Callsign | KR4DDJ |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2025-04-12 |
| Effective Date | 2025-04-22 |
| Expire Date | 2035-04-12 |
| Cancel Date | 2025-05-02 |
| Last Action Date | 2025-05-02 |
| End Date | 2025-05-02 |
| Available Date | 2027-05-03 |
| Applicant Type | I - Individual |
| Entity Name | OSWALD, ROBERT K |
| Street Address / Locality | 7728 Roseberry Farm Dr MANASSAS, VA 20111 |
| County | Prince William County |
| Zip Location | 38°44'56.3"N 77°25'40.3"W |
| Maidenhead | FM18gr |
| FRN | 0036836484 |
| Licensee ID/SGIN | L02916823 / 000 |
| Licensee Class | G - General |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | T - Technician |
| Next Callsign | KO1RKO |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0011539006 |
| Phonetic weight / Morse weight | 14 / 72 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2025-04-12 | SYSGRT - New Systematic Call Sign Assigned |
| 2025-04-12 | LIISS - License Issued |
| 2025-04-22 | LIMOD - License Modified |
| 2025-05-02 | LICAN - License Canceled |
FCC comments
| 2025-05-02 | Issued vanity call sign. |