Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD4ZN callsign genealogy
Currently held by WARD, MELVIN O
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 AD4ZN's current licensee, walking backwards.
- WARD, MELVIN OTNgranted 2009-06-10cancelled 2019-02-23
Successor callsigns
Callsigns held now by people who previously held AD4ZN.
- PRATT, WARREN DALgranted 1997-05-20cancelled 2009-05-21