Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI0OK callsign genealogy
Currently held by JOHNSON, CARL E
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 KI0OK's current licensee, walking backwards.
- WB4GGGcancelledcancelled 1998-10-27
Successor callsigns
Callsigns held now by people who previously held KI0OK.
No current licensee on record previously held this callsign.