Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4FTO callsign genealogy
Currently held by NUSSO, CATHERINE P
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 N4FTO's current licensee, walking backwards.
- Wert, David ANYgranted 2018-07-23cancelled 2018-08-11
Successor callsigns
Callsigns held now by people who previously held N4FTO.
- Wert, David APAgranted 2019-02-20
All historical holders
Every license row we've seen with the callsign N4FTO, oldest first.
- NUSSO, CATHERINE P FL2006-03-25 → cancelled 2018-05-08
- Wert, David A NY2018-08-11 → cancelled 2019-02-20