Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4ING callsign genealogy
Currently held by King, Raul D
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 KI4ING's current licensee, walking backwards.
- King, Raul DFLgranted 2022-12-06cancelled 2022-12-31
Successor callsigns
Callsigns held now by people who previously held KI4ING.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI4ING, oldest first.
- Johnson, Perry R FL2005-01-31 → cancelled 2017-02-01
- King, Raul D FL2022-12-31 active