Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KL4O callsign genealogy
Currently held by Bruce Jr, John W
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 KL4O's current licensee, walking backwards.
- Bruce Jr, John WAKgranted 2015-07-13cancelled 2020-08-14
Successor callsigns
Callsigns held now by people who previously held KL4O.
No current licensee on record previously held this callsign.