| Callsign | KR4U |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2026-07-31 |
| Effective Date | 2026-08-03 |
| Expire Date | 2036-09-30 |
| Cancel Date | |
| Last Action Date | 2026-08-03 |
| End Date | 2036-09-30 |
| Available Date | 2038-10-01 |
| Applicant Type | I - Individual |
| Entity Name | TREWIN, DAVID W |
| Street Address / Locality | 5953 73RD ST N SAINT PETERSBURG, FL 337091323 |
| County | Pinellas County |
| Zip Location | 27°49'00.6"N 82°43'53.8"W |
| Maidenhead | EL87pt |
| FRN | 0002832202 |
| Licensee ID/SGIN | L00143493 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | A - 2x1 |
| ULS/Geo Region | 4 / 4 / FL |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0012138950 |
| Phonetic weight / Morse weight | 10 / 46 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2006-07-18 | LIREN - License Renewed |
| 2016-07-18 | LIREN - License Renewed |
| 2026-07-31 | LIREN - License Renewed |
| 2026-08-03 | LIAUA - Administrative Update Applied |