Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4ZYM callsign genealogy
Currently held by Carff, Paul F
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 N4ZYM's current licensee, walking backwards.
- Carff, Paul FSCgranted 2018-10-19cancelled 2018-11-09
Successor callsigns
Callsigns held now by people who previously held N4ZYM.
- Carff, Paul FSCgranted 2022-06-03
All historical holders
Every license row we've seen with the callsign N4ZYM, oldest first.
- HALL SR, MICHAEL L GA1990-07-31 → cancelled 2002-08-01
- Carff, Paul F SC2018-11-09 → cancelled 2022-06-03