Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH0ABZ callsign genealogy
Currently held by Mariana Islands Amateur Radio Contest Club
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 WH0ABZ'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 WH0ABZ.
- AH0DXactiveMariana Islands Amateur Radio Contest ClubMPgranted 2020-12-22