Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC2JFM callsign genealogy
Currently held by Yasuma, Hiromi
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 KC2JFM'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 KC2JFM.
- Yasuma, HiromiNYgranted 2011-12-08cancelled 2024-03-06