Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ4MM callsign genealogy
Currently held by POPLIN, DANIEL 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 KZ4MM's current licensee, walking backwards.
- POPLIN, DANIEL WNCgranted 2020-10-26cancelled 2024-10-23
Successor callsigns
Callsigns held now by people who previously held KZ4MM.
No current licensee on record previously held this callsign.