| Callsign | KM4CTM |
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2014-07-01 |
| Effective Date | 2014-07-01 |
| Expire Date | 2024-09-17 |
| Cancel Date | 2026-09-19 |
| Last Action Date | 2026-09-19 |
| End Date | 2024-09-17 |
| Available Date | 2026-10-20 |
| Applicant Type | I - Individual |
| Entity Name | Sylvester, Edmund V |
| Street Address / Locality | 3201 Wilton Rd West Columbia, SC 29170 |
| County | Lexington County |
| Zip Location | 33°56'20.8"N 81°08'40.4"W |
| Maidenhead | EM93kw |
| FRN | 0011537024 |
| Licensee ID/SGIN | L00918832 / 000 |
| Licensee Class | G - General |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / SC |
| Prev Callsign / Prev Class | KE4OGI P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 10 / 66 |