Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4KXM callsign genealogy
Currently held by MANASSA, KARIM
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 K4KXM's current licensee, walking backwards.
- MANASSA, KARIMFLgranted 2020-09-23cancelled 2020-10-14
Successor callsigns
Callsigns held now by people who previously held K4KXM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4KXM, oldest first.
- COMBS, JOHN B FL1994-12-16 → cancelled 2006-12-19
- MANASSA, KARIM FL2020-10-14 active