| Callsign | KB3MTM |
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2005-10-31 |
| Effective Date | 2006-03-02 |
| Expire Date | 2015-10-31 |
| Cancel Date | 2006-04-18 |
| Last Action Date | 2006-04-18 |
| End Date | 2006-04-18 |
| Available Date | 2008-04-19 |
| Applicant Type | I - Individual |
| Entity Name | Wintersteen Jr, Prescott B |
| Street Address / Locality | 304 Juniata Court Pittsburgh, PA 152082610 |
| County | Allegheny County |
| Zip Location | 40°27'11.5"N 79°53'58.2"W |
| Maidenhead | FN00bk |
| FRN | 0014207955 |
| Licensee ID/SGIN | L01078938 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 3 / 3 / PA |
| Prev Callsign / Prev Class | G - General |
| Next Callsign | N3YP |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0002510123 |
| Phonetic weight / Morse weight | 9 / 66 |