Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9EID callsign genealogy
Currently held by Hartley, Charles R
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 K9EID's current licensee, walking backwards.
- Hartley, Charles RMOgranted 2024-01-03cancelled 2024-07-09
Successor callsigns
Callsigns held now by people who previously held K9EID.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9EID, oldest first.
- HEIL, ROBERT G IL2016-02-10 → cancelled 2024-02-28
- Hartley, Charles R MO2024-07-09 active