Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4HC callsign genealogy
Currently held by THOMPSON, CHRISTOPHER W
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 K4HC's current licensee, walking backwards.
- THOMPSON, CHRISTOPHER WKYgranted 1996-04-02cancelled 1999-11-20
Successor callsigns
Callsigns held now by people who previously held K4HC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4HC, oldest first.
- HAYWOOD, HAMILTON A OH1987-10-06 → cancelled 1999-10-07
- THOMPSON, CHRISTOPHER W NC2019-09-04 active