Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4HIS callsign genealogy
Currently held by Shade, Harmon
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 K4HIS's current licensee, walking backwards.
- Shade, HarmonSCgranted 2023-06-24cancelled 2023-12-27
Successor callsigns
Callsigns held now by people who previously held K4HIS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4HIS, oldest first.
- ACKERSON SR, JAMES W FL2011-09-09 → cancelled 2023-09-12
- Shade, Harmon SC2023-12-27 active