Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4TUG callsign genealogy
Currently held by ALLARD, FOSTER L
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 N4TUG's current licensee, walking backwards.
- HICKEY, THOMAS MNCgranted 2018-02-13cancelled 2020-03-27
Successor callsigns
Callsigns held now by people who previously held N4TUG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4TUG, oldest first.
- ALLARD, FOSTER L FL1998-05-19 → cancelled 2010-05-20
- HICKEY, THOMAS M NC2020-03-27 active