Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9IBU callsign genealogy
Currently held by Young, John 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 W9IBU's current licensee, walking backwards.
- YOUNG, JOHN RILgranted 1996-09-16cancelled 2005-09-13
Successor callsigns
Callsigns held now by people who previously held W9IBU.
No current licensee on record previously held this callsign.