| Callsign | W6TAM |
| Radio Service | HV - Vanity |
| License Status | E - Expired |
| Grant Date | 2003-12-09 |
| Effective Date | 2003-12-09 |
| Expire Date | 2013-12-09 |
| Cancel Date | 2015-12-10 |
| Last Action Date | 2025-11-21 |
| End Date | 2013-12-09 |
| Available Date | 2025-12-22 |
| Applicant Type | B - Amateur Club |
| Entity Name | SOUTHERN MARIN AMATEUR RAD TRANSMITTING SOC |
| Street Address / Locality | 1220 WATERVIEW DR MILL VALLEY, CA 94941 |
| County | Marin County |
| Zip Location | 37°53'51.6"N 122°33'47.4"W |
| Maidenhead | CM87rv |
| FRN | 0004264727 |
| Licensee ID/SGIN | L00516400 / 000 |
| Licensee Class | |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 6 / 6 / CA |
| Prev Callsign / Prev Class | W6MTS |
| Next Callsign | |
| Trustee Callsign / Trustee Name | K6CTA SCHULLER, EDWARD J |
| Vanity Type | F - By List (Club) |
| ULS File Number | |
| Phonetic weight / Morse weight | 8 / 50 |