| Callsign | KB1ZFM |
|---|---|
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2013-01-25 |
| Effective Date | 2013-01-25 |
| Expire Date | 2023-01-25 |
| Cancel Date | 2025-01-28 |
| Last Action Date | 2025-01-28 |
| End Date | 2023-01-25 |
| Available Date | 2025-02-28 |
| Applicant Type | I - Individual |
| Entity Name | Duffy, Brendan J |
| Street Address / Locality | 19 Overlook Dr Chelmsford, MA 01824 |
| County | Middlesex County |
| Zip Location | 42°35'26.8"N 71°21'18.7"W |
| Maidenhead | FN42ho |
| FRN | 0022376503 |
| Licensee ID/SGIN | L01761575 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 1 / 1 / MA |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0005619457 |
| Phonetic weight / Morse weight | 10 / 80 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2013-01-25 | SYSGRT - New Systematic Call Sign Assigned |
| 2013-01-25 | LIISS - License Issued |
| 2025-01-28 | LIEXP - License Expired |