Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4AAL callsign genealogy
Currently held by Claiborne, Lawrence A
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 N4AAL's current licensee, walking backwards.
- Claiborne, Lawrence ATNgranted 2012-04-26cancelled 2015-02-27
Successor callsigns
Callsigns held now by people who previously held N4AAL.
- King Jr, Billy RKYgranted 2009-04-10cancelled 2010-06-02
All historical holders
Every license row we've seen with the callsign N4AAL, oldest first.
- King Jr, Billy R KY2002-04-09 → cancelled 2009-04-10
- Claiborne, Lawrence A TN2025-12-02 active