Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4MJF callsign genealogy
Currently held by FOLEY, MICHAEL J
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 K4MJF's current licensee, walking backwards.
- Foley, Michael JTNgranted 2016-01-14cancelled 2016-04-08
Successor callsigns
Callsigns held now by people who previously held K4MJF.
No current licensee on record previously held this callsign.