Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO4IIX callsign genealogy
Currently held by Lake Royale REACT Team 6239
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 KO4IIX'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 KO4IIX.
- NC1LRactiveLake Royale REACT Team 6239NCgranted 2020-11-03