| Callsign | K4OSI |
|---|---|
| Radio Service | HV - Vanity |
| License Status | E - Expired |
| Grant Date | 2013-11-01 |
| Effective Date | 2013-11-01 |
| Expire Date | 2024-03-05 |
| Cancel Date | 2026-03-06 |
| Last Action Date | 2026-03-06 |
| End Date | 2024-03-05 |
| Available Date | 2026-04-06 |
| Applicant Type | I - Individual |
| Entity Name | Johnson, Robert M |
| Street Address / Locality | 7620 Foster-Hixson Cemetary Rd Hixson, TN 37343 |
| County | Hamilton County |
| Zip Location | 35°09'59.7"N 85°12'44.1"W |
| Maidenhead | EM75jd |
| FRN | 0010003952 |
| Licensee ID/SGIN | L00779904 / 000 |
| Licensee Class | G - General |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 4 / TN |
| Prev Callsign / Prev Class | KI4DIO |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0005991082 |
| Phonetic weight / Morse weight | 12 / 54 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2004-01-23 | LIISS - License Issued |
| 2004-01-23 | VANGRT - Vanity Call Sign Assigned |
| 2013-11-01 | LIREN - License Renewed |
| 2026-03-06 | LIEXP - License Expired |