| Callsign | KR4IOT |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2025-12-28 |
| Effective Date | 2026-03-27 |
| Expire Date | 2035-12-28 |
| Cancel Date | |
| Last Action Date | 2026-03-27 |
| End Date | 2035-12-28 |
| Available Date | 2037-12-29 |
| Applicant Type | I - Individual |
| Entity Name | Berrios, Steven M |
| Street Address / Locality | 7218 Hwy 418 Fountain Inn, SC 29644 |
| County | Greenville County |
| Zip Location | 34°40'06.3"N 82°11'24.5"W |
| Maidenhead | EM84vq |
| FRN | 0037526985 |
| Licensee ID/SGIN | L02974042 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / SC |
| Prev Callsign / Prev Class | G - General |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0011958582 |
| Phonetic weight / Morse weight | 14 / 62 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2025-12-28 | SYSGRT - New Systematic Call Sign Assigned |
| 2025-12-28 | LIISS - License Issued |
| 2026-01-28 | LIMOD - License Modified |
| 2026-03-27 | LIMOD - License Modified |