Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4IWJ callsign genealogy
Currently held by THOMPSON, KERI M
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 K4IWJ's current licensee, walking backwards.
- THOMPSON, KERI MFLgranted 2017-03-07cancelled 2018-10-27
Successor callsigns
Callsigns held now by people who previously held K4IWJ.
No current licensee on record previously held this callsign.