Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KB4UD callsign genealogy
Currently held by POE JR, CLARENCE L
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 KB4UD's current licensee, walking backwards.
- POE JR, CLARENCE LVAgranted 2017-10-31
Successor callsigns
Callsigns held now by people who previously held KB4UD.
- POE JR, CLARENCE LVAgranted 2017-10-31