Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4JXN callsign genealogy
Currently held by Campbell, Jackson R
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 K4JXN's current licensee, walking backwards.
- Campbell, Jackson RSCgranted 2026-02-24cancelled 2026-04-21
Successor callsigns
Callsigns held now by people who previously held K4JXN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JXN, oldest first.
- MUNCH JR, JOSEPH C MI2013-08-12 → cancelled 2026-03-06
- Campbell, Jackson R SC2026-04-21 active