Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4TFL callsign genealogy
Currently held by LUNDEEN DMD, THOMAS F
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 N4TFL's current licensee, walking backwards.
- Lundeen, Thomas FNCgranted 2003-11-26cancelled 2013-03-23
Successor callsigns
Callsigns held now by people who previously held N4TFL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4TFL, oldest first.
- WILLIS, HENRY R NC1988-06-28 → cancelled 2000-06-29
- LUNDEEN DMD, THOMAS F NC2023-04-04 active