Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4TIA callsign genealogy
Currently held by TUBONJIC, ALEXANDER N
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 N4TIA's current licensee, walking backwards.
- Tubonjic, Alexander NFLgranted 2001-06-29cancelled 2007-04-06
Successor callsigns
Callsigns held now by people who previously held N4TIA.
- TUBONJIC, ALEXANDER NFLgranted 2020-01-28
All historical holders
Every license row we've seen with the callsign N4TIA, oldest first.
- BROWN JR, FRED P VA1988-07-12 → cancelled 2000-07-13
- TUBONJIC, ALEXANDER N FL2017-01-13 → cancelled 2020-01-28