Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4TJN callsign genealogy
Currently held by NASON JR, ALBERT D
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 K4TJN's current licensee, walking backwards.
- Nordmann, Terrance JALgranted 2010-01-04cancelled 2010-01-26
Successor callsigns
Callsigns held now by people who previously held K4TJN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4TJN, oldest first.
- NASON JR, ALBERT D AL1996-04-22 → cancelled 2008-04-23
- Nordmann, Terrance J AL2019-12-06 active