Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD8Z callsign genealogy
Currently held by BRYAN, ROBERT H
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 AD8Z's current licensee, walking backwards.
- Fortman, Michael WOHgranted 1997-10-24cancelled 2002-03-30
Successor callsigns
Callsigns held now by people who previously held AD8Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AD8Z, oldest first.
- BRYAN, ROBERT H MI1988-05-17 → cancelled 2000-05-18
- Fortman, Michael W OH2022-04-05 active