| Callsign | KR4EFX |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2025-05-30 |
| Effective Date | 2025-05-30 |
| Expire Date | 2035-05-30 |
| Cancel Date | 2025-06-17 |
| Last Action Date | 2025-06-17 |
| End Date | 2025-06-17 |
| Available Date | 2027-06-18 |
| Applicant Type | I - Individual |
| Entity Name | Schiefer, Robert |
| Street Address / Locality | 4516 E Highway 20 Niceville, FL 325789755 |
| County | Okaloosa County |
| Zip Location | 30°30'28.0"N 86°26'52.8"W |
| Maidenhead | EM60sm |
| FRN | 0033235003 |
| Licensee ID/SGIN | L02626253 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / FL |
| Prev Callsign / Prev Class | |
| Next Callsign | K4OBB |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 13 / 66 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2025-05-30 | SYSGRT - New Systematic Call Sign Assigned |
| 2025-05-30 | LIISS - License Issued |
| 2025-06-17 | LICAN - License Canceled |
FCC comments
| 2025-06-17 | Issued vanity call sign. |