Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB4LX callsign genealogy
Currently held by Heaton, Dennis 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 AB4LX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AB4LX.
- Heaton, Dennis RGAgranted 2026-06-17
All historical holders
Every license row we've seen with the callsign AB4LX, oldest first.
- HEATON, DENNIS R GA1988-11-29 → cancelled 2000-11-30
- Heaton, Dennis R GA2011-11-19 → cancelled 2016-08-05