Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB3OI callsign genealogy
Currently held by Bieniosek, Theodore A
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 AB3OI's current licensee, walking backwards.
- Bieniosek, Theodore APAgranted 2011-08-18cancelled 2011-09-29
Successor callsigns
Callsigns held now by people who previously held AB3OI.
No current licensee on record previously held this callsign.