Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ6PMF callsign genealogy
Currently held by OPDAHL, MARK A
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 KJ6PMF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KJ6PMF.
- OPDAHL, MARK ACAgranted 2014-08-19cancelled 2026-08-21