Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6CLA callsign genealogy
Currently held by COTTOM, JOE F
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 K6CLA's current licensee, walking backwards.
- ACKERMAN, CLARK LCAgranted 2012-03-08cancelled 2012-03-30
Successor callsigns
Callsigns held now by people who previously held K6CLA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6CLA, oldest first.
- COTTOM, JOE F CA1995-09-14 → cancelled 2007-09-15
- ACKERMAN, CLARK L CA2023-08-23 active