Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF6GDM callsign genealogy
Currently held by MANTECA 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 KF6GDM'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 KF6GDM.
- K6MANactiveMANTECA AMATEUR RADIO CLUBCAgranted 2026-04-18