Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4IFF callsign genealogy
Currently held by TARDIF, DAVID J
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 N4IFF's current licensee, walking backwards.
- Tardif, David JFLgranted 2010-03-15cancelled 2010-04-27
Successor callsigns
Callsigns held now by people who previously held N4IFF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4IFF, oldest first.
- TARDIF, DAVID J FL1997-03-07 → cancelled 2009-03-10
- Tardif, David J FL2020-02-19 active