Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4TWZ callsign genealogy
Currently held by DURHAM, MELISSA S
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 N4TWZ's current licensee, walking backwards.
- FLEMING III, JOHN WNCgranted 2024-09-28
Successor callsigns
Callsigns held now by people who previously held N4TWZ.
- FLEMING III, JOHN WNCgranted 2024-09-28
All historical holders
Every license row we've seen with the callsign N4TWZ, oldest first.
- DURHAM, MELISSA S AL1988-09-13 → cancelled 2000-09-14
- FLEMING III, JOHN W NC2014-12-25 → cancelled 2024-09-28