Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4JFH callsign genealogy
Currently held by HAYES, KEN
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 K4JFH's current licensee, walking backwards.
- HAYES, KENNCgranted 2021-01-28cancelled 2021-04-13
Successor callsigns
Callsigns held now by people who previously held K4JFH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JFH, oldest first.
- HUFFSTETLER, JENNIFER F SC2007-08-14 → cancelled 2019-08-15
- HAYES, KEN NC2021-04-13 active