Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4JA callsign genealogy
Currently held by KEMP, RANDALL E
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 AC4JA's current licensee, walking backwards.
- KM4XXno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AC4JA.
- KEMP, RANDALL EALgranted 2023-11-02