Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4ZMP callsign genealogy
Currently held by KANZIGG, CLAYTON W
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 N4ZMP's current licensee, walking backwards.
- KANZIGG, CLAYTON WSCgranted 2022-02-08cancelled 2022-06-11
Successor callsigns
Callsigns held now by people who previously held N4ZMP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4ZMP, oldest first.
- KANZIGG, ORIN W FL2010-08-17 → cancelled 2022-04-18
- KANZIGG, CLAYTON W SC2022-06-11 active