Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6CMF callsign genealogy
Currently held by Graham, Michael W
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 K6CMF's current licensee, walking backwards.
- Graham, Michael WCAgranted 2000-02-12cancelled 2007-09-18
Successor callsigns
Callsigns held now by people who previously held K6CMF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6CMF, oldest first.
- GRAHAM, JAY W CA1990-10-30 → cancelled 2002-10-31
- Graham, Michael W CA2018-03-24 active