| Callsign | KR4IOS |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2025-12-24 |
| Effective Date | 2025-12-24 |
| Expire Date | 2035-12-24 |
| Cancel Date | |
| Last Action Date | 2025-12-24 |
| End Date | 2035-12-24 |
| Available Date | 2037-12-25 |
| Applicant Type | I - Individual |
| Entity Name | Wilfong, Thomas E |
| Street Address / Locality | PO Box 71146 DURHAM, NC 277221146 |
| County | Durham |
| Zip Location | 35°59'38.4"N 78°53'55.0"W |
| Maidenhead | FM05nx |
| FRN | 0037525771 |
| Licensee ID/SGIN | L02973504 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / NC |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 15 / 64 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2025-12-24 | SYSGRT - New Systematic Call Sign Assigned |
| 2025-12-24 | LIISS - License Issued |