Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4OAE callsign genealogy
Currently held by King, Joseph
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 KO4OAE'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 KO4OAE.
- King, Joseph JFLgranted 2021-03-30