Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4ZJM callsign genealogy
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 N4ZJM's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held N4ZJM.
- HALE, GUY CFLgranted 2011-08-16cancelled 2023-09-19