Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB4LM callsign genealogy
Currently held by GREEN SR, JEFFREY C
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 AB4LM's current licensee, walking backwards.
- Green, Jeffrey CGAgranted 2016-12-02cancelled 2017-02-28
Successor callsigns
Callsigns held now by people who previously held AB4LM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB4LM, oldest first.
- GREEN SR, JEFFREY C GA1988-11-22 → cancelled 2000-11-28
- Green, Jeffrey C GA2017-02-28 active