| Callsign | KM4ZYX |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2016-12-30 |
| Effective Date | 2024-11-30 |
| Expire Date | 2026-12-30 |
| Cancel Date | 2025-09-26 |
| Last Action Date | 2025-09-26 |
| End Date | 2025-09-26 |
| Available Date | 2027-09-27 |
| Applicant Type | I - Individual |
| Entity Name | Burroughs, William T |
| Street Address / Locality | 4049 S Himalaya Circle Aurora, CO 80013 |
| County | Arapahoe County |
| Zip Location | 39°39'41.0"N 104°45'56.4"W |
| Maidenhead | DM79op |
| FRN | 0023721202 |
| Licensee ID/SGIN | L01873523 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 0 / CO |
| Prev Callsign / Prev Class | |
| Next Callsign | N0CPR |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0007606967 |
| Phonetic weight / Morse weight | 11 / 80 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2016-12-30 | SYSGRT - New Systematic Call Sign Assigned |
| 2016-12-30 | LIISS - License Issued |
| 2023-03-08 | LIAUA - Administrative Update Applied |
| 2024-11-30 | LIAUA - Administrative Update Applied |
| 2025-09-26 | LICAN - License Canceled |
FCC comments
| 2025-09-26 | Issued vanity call sign. |