Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB1AIU callsign genealogy
Currently held by STOFKO III, JOSEPH M
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 WB1AIU'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 WB1AIU.
- STOFKO III, JOSEPH MCTgranted 2017-10-27