| Callsign | K4JFR |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2020-03-17 |
| Effective Date | 2020-03-17 |
| Expire Date | 2030-04-23 |
| Cancel Date | |
| Last Action Date | 2020-03-17 |
| End Date | 2030-04-23 |
| Available Date | 2032-04-24 |
| Applicant Type | I - Individual |
| Entity Name | Robertson IV, James F |
| Street Address / Locality | 1 Angwin Avenue Angwin, CA 94508 |
| County | Napa County |
| Zip Location | 38°34'35.8"N 122°26'39.8"W |
| Maidenhead | CM88sn |
| FRN | 0019238807 |
| Licensee ID/SGIN | L01527259 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 6 / CA |
| Prev Callsign / Prev Class | KJ6DDK G - General |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0004671608 |
| Phonetic weight / Morse weight | 12 / 64 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2010-04-23 | LIISS - License Issued |
| 2010-04-23 | VANGRT - Vanity Call Sign Assigned |
| 2011-02-23 | LIAUA - Administrative Update Applied |
| 2011-03-30 | LIMOD - License Modified |
| 2020-03-17 | LIREN - License Renewed |