Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA3ZB callsign genealogy
Currently held by Schell, John 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 AA3ZB's current licensee, walking backwards.
- Schell, John HMDgranted 2001-12-31cancelled 2002-04-17
Successor callsigns
Callsigns held now by people who previously held AA3ZB.
- Schell, John HNCgranted 2023-04-27