Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4HFY callsign genealogy
Currently held by Clark, Jerry T
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 K4HFY's current licensee, walking backwards.
- Clark, Jerry TTNgranted 2026-06-17cancelled 2026-07-10
Successor callsigns
Callsigns held now by people who previously held K4HFY.
No current licensee on record previously held this callsign.