Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4ALX callsign genealogy
Currently held by HEATH, EARL 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 N4ALX's current licensee, walking backwards.
- Alexander, Jeff SMDgranted 2026-04-09cancelled 2026-04-28
Successor callsigns
Callsigns held now by people who previously held N4ALX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4ALX, oldest first.
- HEATH, EARL R TN2014-01-09 → cancelled 2026-04-07
- Alexander, Jeff S MD2026-04-28 active