| Callsign | KD0YAM |
|---|---|
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2013-11-01 |
| Effective Date | 2013-11-01 |
| Expire Date | 2024-03-05 |
| Cancel Date | 2026-03-06 |
| Last Action Date | 2026-03-06 |
| End Date | 2024-03-05 |
| Available Date | 2026-04-06 |
| Applicant Type | I - Individual |
| Entity Name | Duffek, Brian K |
| Street Address / Locality | 8380 Freemantle Dr Colorado Springs, CO 80920 |
| County | El Paso County |
| Zip Location | 38°57'27.4"N 104°46'14.8"W |
| Maidenhead | DM78ow |
| FRN | 0023083694 |
| Licensee ID/SGIN | L01821568 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 0 / 0 / CO |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0005996934 |
| Phonetic weight / Morse weight | 11 / 78 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2013-11-01 | SYSGRT - New Systematic Call Sign Assigned |
| 2013-11-01 | LIISS - License Issued |
| 2026-03-06 | LIEXP - License Expired |