Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6MT callsign genealogy
Currently held by RATTLESNAKE BAR HF AMATEUR RADIO CLUB
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K6MT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K6MT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6MT, oldest first.
- ROTH, SAMUEL CA1988-07-26 → cancelled 2000-07-27
- RATTLESNAKE BAR HF AMATEUR RADIO CLUB CA2000-08-15 → cancelled 2012-08-16
- Jensen, William W CA2023-02-02 active