Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3FZ callsign genealogy
Currently held by Shoppa, Timothy D
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 AB3FZ's current licensee, walking backwards.
- Shoppa, Timothy DMDgranted 2006-05-17cancelled 2007-08-02
Successor callsigns
Callsigns held now by people who previously held AB3FZ.
- Shoppa, Timothy DMDgranted 2017-05-25