| Callsign | N3UMJ |
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2004-11-03 |
| Effective Date | 2004-11-03 |
| Expire Date | 2014-11-17 |
| Cancel Date | 2016-11-18 |
| Last Action Date | 2016-11-18 |
| End Date | 2014-11-17 |
| Available Date | 2016-12-19 |
| Applicant Type | I - Individual |
| Entity Name | KOWALSKI, WILLIAM J |
| Street Address / Locality | 330 Hilltop Rd ERIE, PA 16509 |
| County | Erie County |
| Zip Location | 42°03'36.1"N 80°02'17.3"W |
| Maidenhead | EN92xb |
| FRN | 0012053732 |
| Licensee ID/SGIN | L00935735 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 3 / 3 / PA |
| Prev Callsign / Prev Class | KB3BFL P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 9502140232 |
| Phonetic weight / Morse weight | 11 / 60 |