uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AB8ZF callsign genealogy

Currently held by MICHAEL, DONALD J

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 AB8ZF's current licensee, walking backwards.

  1. KC8OZQcancelled· E
    MICHAEL, DONALD JOHgranted 2000-06-30cancelled 2007-06-26

Successor callsigns

Callsigns held now by people who previously held AB8ZF.

No current licensee on record previously held this callsign.