Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4ALK callsign genealogy
Currently held by Karden, Allan
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 N4ALK's current licensee, walking backwards.
- Karden, Allan LFLgranted 2019-03-07cancelled 2020-06-01
Successor callsigns
Callsigns held now by people who previously held N4ALK.
- EFIRD JR, JACK TALgranted 2021-07-28
All historical holders
Every license row we've seen with the callsign N4ALK, oldest first.
- EFIRD JR, JACK T AL1995-04-26 → cancelled 2001-08-04
- Karden, Allan FL2020-06-01 active