Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4EPH callsign genealogy
Currently held by CHASTAIN, MARK L
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 KA4EPH's current licensee, walking backwards.
- Hufford, Ethan PFLgranted 2020-02-10cancelled 2020-02-29
Successor callsigns
Callsigns held now by people who previously held KA4EPH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA4EPH, oldest first.
- CHASTAIN, MARK L AL2000-01-26 → cancelled 2012-03-28
- Hufford, Ethan P FL2020-02-29 active