| Callsign | KC4OS |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2025-12-16 |
| Effective Date | 2025-12-16 |
| Expire Date | 2036-02-12 |
| Cancel Date | |
| Last Action Date | 2025-12-16 |
| End Date | 2036-02-12 |
| Available Date | 2038-02-13 |
| Applicant Type | I - Individual |
| Entity Name | RYSNER, ROBERT F |
| Street Address / Locality | 6615 Monterey Point NAPLES, FL 34105 |
| County | Collier County |
| Zip Location | 26°11'24.2"N 81°45'53.2"W |
| Maidenhead | EL96ce |
| FRN | 0007032733 |
| Licensee ID/SGIN | L00512963 / 000 |
| Licensee Class | A - Advanced |
| Callsign Group | B - 2x2 |
| ULS/Geo Region | 4 / 4 / FL |
| Prev Callsign / Prev Class | KC9OS |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0011828884 |
| Phonetic weight / Morse weight | 11 / 62 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2016-02-12 | LIISS - License Issued |
| 2016-02-12 | VANGRT - Vanity Call Sign Assigned |
| 2025-12-16 | LIREN - License Renewed |