| Callsign | KM4SII |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2016-03-15 |
| Effective Date | 2026-01-13 |
| Expire Date | 2026-03-15 |
| Cancel Date | 2026-02-07 |
| Last Action Date | 2026-02-07 |
| End Date | 2026-02-07 |
| Available Date | 2028-02-08 |
| Applicant Type | I - Individual |
| Entity Name | MATRAZZO, MASON W |
| Street Address / Locality | 2455 WELLSBURG CT CLEMMONS, NC 27012 |
| County | Forsyth County |
| Zip Location | 36°00'08.7"N 80°22'46.2"W |
| Maidenhead | EM96ta |
| FRN | 0025393414 |
| Licensee ID/SGIN | L02010541 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / NC |
| Prev Callsign / Prev Class | G - General |
| Next Callsign | N3VLF |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0008794117 |
| Phonetic weight / Morse weight | 14 / 56 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2016-03-15 | SYSGRT - New Systematic Call Sign Assigned |
| 2016-03-15 | LIISS - License Issued |
| 2016-03-16 | LIAUA - Administrative Update Applied |
| 2016-06-14 | LIMOD - License Modified |
| 2019-09-10 | LIMOD - License Modified |
| 2026-01-13 | LIAUA - Administrative Update Applied |
| 2026-02-07 | LICAN - License Canceled |
FCC comments
| 2026-02-07 | Issued vanity call sign. |