Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4MAG callsign genealogy
Currently held by Betts, Jeffery L
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 K4MAG's current licensee, walking backwards.
- Betts, Jeffery LMSgranted 2019-03-14cancelled 2022-07-26
Successor callsigns
Callsigns held now by people who previously held K4MAG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4MAG, oldest first.
- GONSKE, MARK A CO1998-03-10 → cancelled 2010-03-11
- HAMMONDS SR, JAMES F NC2010-04-24 → cancelled 2022-04-26
- Betts, Jeffery L MS2022-07-26 active