Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4TZI callsign genealogy
Currently held by Riphin, Alexander
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 N4TZI's current licensee, walking backwards.
- RIPHIN, ALEXANDERFLgranted 2025-01-09cancelled 2025-01-28
Successor callsigns
Callsigns held now by people who previously held N4TZI.
- Riphin, AlexanderFLgranted 2025-02-19
All historical holders
Every license row we've seen with the callsign N4TZI, oldest first.
- JOHNSON, ROLAND W VA1988-09-27 → cancelled 2000-09-28
- Riphin, Alexander FL2025-01-28 → cancelled 2025-02-19