Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4IBX callsign genealogy
Currently held by HILDRETH, HUBERT J
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 W4IBX's current licensee, walking backwards.
- Hildreth, RonSCgranted 2020-11-20cancelled 2020-12-11
Successor callsigns
Callsigns held now by people who previously held W4IBX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4IBX, oldest first.
- HILDRETH, HUBERT J GA2004-01-12 → cancelled 2016-04-06
- Hildreth, Ron SC2020-12-11 active