Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5HEM callsign genealogy
Currently held by Makemson, Harlen
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 K5HEM's current licensee, walking backwards.
- Makemson, HarlenNCgranted 2025-04-08cancelled 2025-04-29
Successor callsigns
Callsigns held now by people who previously held K5HEM.
- Mignola, Harold EORgranted 2021-03-02
All historical holders
Every license row we've seen with the callsign K5HEM, oldest first.
- GRIFFITH, DALE H OK1999-05-25 → cancelled 2011-05-26
- Mignola, Harold E TX2011-08-12 → cancelled 2021-03-02
- Makemson, Harlen NC2025-04-29 active