| Callsign | KM4OPT |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2015-11-04 |
| Effective Date | 2015-11-10 |
| Expire Date | 2025-11-04 |
| Cancel Date | |
| Last Action Date | 2015-11-10 |
| End Date | 2025-11-04 |
| Available Date | 2027-11-05 |
| Applicant Type | I - Individual |
| Entity Name | Yi, Yunhui |
| Street Address / Locality | 1442B Agawela Ave Knoxville, TN 37919 |
| County | Knox County |
| Zip Location | 35°54'53.1"N 84°00'00.6"W |
| Maidenhead | EM75xv |
| FRN | 0025025685 |
| Licensee ID/SGIN | L01981429 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / TN |
| Prev Callsign / Prev Class | G - General |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0007021894 |
| Phonetic weight / Morse weight | 11 / 70 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2015-11-04 | SYSGRT - New Systematic Call Sign Assigned |
| 2015-11-04 | LIISS - License Issued |
| 2015-11-10 | LIAUA - Administrative Update Applied |
| 2015-11-10 | LIMOD - License Modified |