Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4BMF callsign genealogy
Currently held by Duncan, James G
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 KA4BMF's current licensee, walking backwards.
- Duncan, James GTXgranted 2026-02-27cancelled 2026-03-17
Successor callsigns
Callsigns held now by people who previously held KA4BMF.
No current licensee on record previously held this callsign.