Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4HA callsign genealogy
Currently held by Hammond, Carl 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 KY4HA's current licensee, walking backwards.
- Hammond, Carl RTNgranted 2021-01-19cancelled 2021-04-20
Successor callsigns
Callsigns held now by people who previously held KY4HA.
No current licensee on record previously held this callsign.