Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4ERX callsign genealogy
Currently held by HARDISON JR, WILLIAM G
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 KB4ERX's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KB4ERX.
- HARDISON JR, WILLIAM GSCgranted 2020-10-20