Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4DP callsign genealogy
Currently held by Prudhomme, David S
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 AC4DP's current licensee, walking backwards.
- Prudhomme, David SGAgranted 2013-04-17cancelled 2018-07-24
Successor callsigns
Callsigns held now by people who previously held AC4DP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC4DP, oldest first.
- Stringfellow, William R NC2001-10-12 → cancelled 2013-10-15
- Prudhomme, David S GA2018-07-24 active