| Callsign | KW4ZA |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2026-09-16 |
| Effective Date | 2026-09-16 |
| Expire Date | 2036-11-02 |
| Cancel Date | |
| Last Action Date | 2026-09-16 |
| End Date | 2036-11-02 |
| Available Date | 2038-11-03 |
| Applicant Type | I - Individual |
| Entity Name | Estes III, Robert F |
| Street Address / Locality | 220 Cottar Dr. Lucas, TX 75002 |
| County | Collin County |
| Zip Location | 33°05'23.5"N 96°36'31.0"W |
| Maidenhead | EM13qc |
| FRN | 0026009407 |
| Licensee ID/SGIN | L02061315 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | B - 2x2 |
| ULS/Geo Region | 4 / 5 / TX |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0012184613 |
| Phonetic weight / Morse weight | 10 / 60 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2016-11-02 | SYSGRT - New Systematic Call Sign Assigned |
| 2016-11-02 | LIISS - License Issued |
| 2022-08-10 | LIAUA - Administrative Update Applied |
| 2026-02-20 | LIAUA - Administrative Update Applied |
| 2026-09-16 | LIREN - License Renewed |