| Callsign | KR4EWX |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2025-06-28 |
| Effective Date | 2025-06-28 |
| Expire Date | 2035-06-28 |
| Cancel Date | |
| Last Action Date | 2025-06-28 |
| End Date | 2035-06-28 |
| Available Date | 2037-06-29 |
| Applicant Type | I - Individual |
| Entity Name | Warren, Derek J |
| Street Address / Locality | 7739 Jewelweed Ct Springfield, VA 221523148 |
| County | Fairfax County |
| Zip Location | 38°46'28.2"N 77°13'55.3"W |
| Maidenhead | FM18js |
| FRN | 0037184447 |
| Licensee ID/SGIN | L02946174 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 13 / 66 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2025-06-28 | SYSGRT - New Systematic Call Sign Assigned |
| 2025-06-28 | LIISS - License Issued |