Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3PU callsign genealogy
Currently held by BIANCO JR, WILLIAM R
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 AB3PU's current licensee, walking backwards.
- BIANCO JR, WILLIAM RPAgranted 2003-02-04cancelled 2012-04-03
Successor callsigns
Callsigns held now by people who previously held AB3PU.
No current licensee on record previously held this callsign.