| Callsign | KN4IWR |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2026-02-18 |
| Effective Date | 2026-04-28 |
| Expire Date | 2036-02-18 |
| Cancel Date | |
| Last Action Date | 2026-04-28 |
| End Date | 2036-02-18 |
| Available Date | 2038-02-19 |
| Applicant Type | I - Individual |
| Entity Name | Waldorf, Ivan R |
| Street Address / Locality | 404 Vernon Terrace Raleigh, NC 27609 |
| County | Wake County |
| Zip Location | 35°50'37.6"N 78°38'01.1"W |
| Maidenhead | FM05qu |
| FRN | 0028432482 |
| Licensee ID/SGIN | L02268441 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / NC |
| Prev Callsign / Prev Class | KN4UUL G - General |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0012014501 |
| Phonetic weight / Morse weight | 15 / 62 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2026-02-18 | LIISS - License Issued |
| 2026-02-18 | VANGRT - Vanity Call Sign Assigned |
| 2026-02-24 | LIMOD - License Modified |
| 2026-04-28 | LIMOD - License Modified |