Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4TLK callsign genealogy
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 N4TLK's current licensee, walking backwards.
- FIORENTINO, MAURICEFLgranted 2023-09-28cancelled 2024-07-19
Successor callsigns
Callsigns held now by people who previously held N4TLK.
- BROWN, JIM FKYgranted 2017-08-09
All historical holders
Every license row we've seen with the callsign N4TLK, oldest first.
- FIORENTINO, MAURICE FL2024-07-19 active
- —— → cancelled 1997-10-17