| Callsign | WB6ZTX |
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 1998-06-18 |
| Effective Date | 1998-06-18 |
| Expire Date | 2008-06-18 |
| Cancel Date | 2010-06-19 |
| Last Action Date | 2010-06-19 |
| End Date | 2008-06-18 |
| Available Date | 2010-07-20 |
| Applicant Type | B - Amateur Club |
| Entity Name | SULPHUR MOUNTAIN REPEATER ASSOCIATION |
| Street Address / Locality | 511 W SANTA CRUZ ST SANTA PAULA, CA 93060 |
| County | Ventura County |
| Zip Location | 34°24'07.9"N 119°05'41.6"W |
| Maidenhead | DM04kj |
| FRN | 0013506068 |
| Licensee ID/SGIN | L01020297 / 000 |
| Licensee Class | |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 6 / 6 / CA |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | WB6VKR GUNDERSON, ARTHUR N |
| Vanity Type | |
| ULS File Number | 9806189964 |
| Phonetic weight / Morse weight | 11 / 72 |