Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4XBX callsign genealogy
Currently held by Kluck II, Robert 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 W4XBX's current licensee, walking backwards.
- Kluck, Robert LKYgranted 2008-11-05cancelled 2008-11-29
Successor callsigns
Callsigns held now by people who previously held W4XBX.
No current licensee on record previously held this callsign.