Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1BAC callsign genealogy
Currently held by CONSTANTINO, BRUCE 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 W1BAC's current licensee, walking backwards.
- CONSTANTINO, BRUCE ACAgranted 2006-12-19cancelled 2010-10-19
Successor callsigns
Callsigns held now by people who previously held W1BAC.
No current licensee on record previously held this callsign.