Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4IBY callsign genealogy
Currently held by COOPER JR, ALFRED B
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 WB4IBY's current licensee, walking backwards.
- Cooper Jr, Alfred BNCgranted 2014-11-21cancelled 2015-03-03
Successor callsigns
Callsigns held now by people who previously held WB4IBY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB4IBY, oldest first.
- COOPER JR, ALFRED B NC1990-10-23 → cancelled 2002-10-24
- Cooper Jr, Alfred B NC2025-02-20 active