Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4H callsign genealogy
Currently held by Foley, Sean P
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 AC4H's current licensee, walking backwards.
- Foley, Sean PKYgranted 2015-06-22cancelled 2015-08-11
Successor callsigns
Callsigns held now by people who previously held AC4H.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC4H, oldest first.
- BERGER, ROBERT L FL2006-12-30 → cancelled 2013-07-22
- Foley, Sean P KY2025-07-17 active