Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4LA callsign genealogy
Currently held by FOSTER, JOHN 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 N4LA's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N4LA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4LA, oldest first.
- FOSTER, JOHN A TN2001-09-26 → cancelled 2007-05-07
- BRADY, WILLIAM T NC2019-04-15 active