| Callsign | KJ4ESQ |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2018-05-30 |
| Effective Date | 2026-05-27 |
| Expire Date | 2028-06-12 |
| Cancel Date | |
| Last Action Date | 2026-05-27 |
| End Date | 2028-06-12 |
| Available Date | 2030-06-13 |
| Applicant Type | I - Individual |
| Entity Name | Probst, Frank C |
| Street Address / Locality | 134 billy dr howardwick, TX 79226 |
| County | Donley County |
| Zip Location | 34°54'02.7"N 100°59'40.4"W |
| Maidenhead | DM94mv |
| FRN | 0017784612 |
| Licensee ID/SGIN | L01401193 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 5 / TX |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0003470307 |
| Phonetic weight / Morse weight | 14 / 70 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2008-06-12 | SYSGRT - New Systematic Call Sign Assigned |
| 2008-06-12 | LIISS - License Issued |
| 2013-07-20 | LIAUA - Administrative Update Applied |
| 2015-11-03 | LIAUA - Administrative Update Applied |
| 2018-05-30 | LIREN - License Renewed |
| 2026-05-27 | LIAUA - Administrative Update Applied |